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Soueref, S.T.; Tsokas-Thanassoulopoulos, A.D. 1965: Observations on the effectiveness of the phytochemical Kilval. Rep. Minist. Agric. phytopath. Sta

Shrivastava, B.K. 1965: Observations on the effects of "stress" on the serum lipid level of rabbits. Indian Heart Journal 17(3): 234-237

Kurihara, T.; Sasa, M.; Dhamvanij, O. 1965: Observations on the effects of Sumithion sprays against the population density of Culex pipiens fatigans with the box-trap collection method. Jap. J. sanit. Zool 16(3): 239-243

Aussenac, G. 1968: Observations on the effects of a late frost. Rev. for. franc 20(3): 204-11

Denny, R.P.; Danniels, S.S. 1968: Observations on the effects of arboricides on Umbondo (Combretum apiculatum). Rhod. agric. J 65(2): 34-5

Thalenhorst, W. 1964: Observations on the effects of density-governing factors on insect attacks in fertilizer trials. Z. angew. Ent 54: 219-224

Monciardini, R. 1964: Observations on the effects of different levels of nutrition in young Friesian bulls. 5th int. Congr. Anim. Reprod. A.I, Trento 2: 132-137

Milella, A. 1968: Observations on the effects of different soil moisture levels on the growth and qualitative features of fruit in the orange variety Tarocco. Studi sassar., Sez. Ill 16: 235-62

Edney, A.T. 1970: Observations on the effects of feeding a low protein diet to dogs with nephritis. Journal of Small Animal Practice 11(5): 281-291

Harvey, Jr.; J.S.; Meade, T.G. 1969: Observations on the effects of fish serum on cercarial and metacercarial stages of Postho-diplostamum minimum (Trematoda: Diplostomi-dae). Proc. helminth. Soc, Wash. 36(2): 211-214

Calabrese, F. 1966: Observations on the effects of forcing on lemons. Frutticoltura 28: 833-42

Hunter-Jones, P.; Haskell, P.T. 1966: Observations on the effects of gamma-radiation on eggs of the desert locust, Schistocerca gregaria (Forsk). Bulletin of Entomological Research 56(4): 725-735

Are, L. 1964: Observations on the effects of gibberellic acid on the growth of cocoa seedlings. Nigeria agric. J 1: 26-9

Giulivo, C.; Ganzini, M. 1971: Observations on the effects of hail protection nets on the orchard microclimate and on the characteristics of Jonathan apple fruits. Rivista della Ortoflorofrutticoltura Italiana 55(5): 389-414

Pryor, W.J.; Bryden, M.M. 1964: Observations on the effects of implantation of female sex hormones on crop-fattened cattle. Brit Veterinary J 120(3): 125-131

Brooks, D.H. 1972: Observations on the effects of mildew, Erysiphe graminis, on growth of spring and winter Barley. Ann. appl. Biol 70(2): 149-156

D.Donato, M. 1966: Observations on the effects of night temperature and treatments with 6-benzyl-aminopurine on the growth and flowering of Capsicum annuum var. grossum in the early stages of development. Riv. Ortoflorofruttic, ital 50: 140-6

Meiri, A.; Anderson, W.P. 1970: Observations on the effects of pressure differences between the bathing media and exudates of excised maize roots. J. exp. Bot, 21: 69, 899-907

Sapre, V.A.; Kulkarni, P.E. 1970: Observations on the effects of preventive medication with various blendings of "terramycin" (Pfizer) on the incidence of white scours in calves. Indian Veterinary Journal 47(8): 694-698

Doi, R. 1967: Observations on the effects of pyrvinium pamoate on Strongyloides stercoralis. Jap. J. Parasit 16(1): 36-42

Safran, H. 1971: Observations on the effects of roptstock and season on the incidence of creasing in Valencia oranges. Israel J. agric. Res 21: 31-3

Lamberti, F.; Quacquarelli, A. 1965: Observations on the effects of some fungicides used in viticulture on must fermentation. Phytopath. medit 4: 77-84

Bini, G.; Raddi, P. 1965: Observations on the effects of some growth substances on the fruits of tomatoes, cucumbers, eggplants and watermelons. Riv. Ortoflorofruttic. ital. 49: 467-78

J.K.Doodson, P.J.W.Saunders, Niab 1970: Observations on the effects of some systemic chemicals applied to cereals in trials at the NIAB. Proceedings of the Fifth British Insecticide and Fungicide Conference (Brighton, 17th-20th November 1969), 1970. 1-7

Dance, B.W.; Lynn, D.F.; Jansons, V. 1964: Observations on the effects of stem cankers associated with Pezicula ocellata (Pers.) Seaver in young Trembling Aspen. Bi-m. Progr. Rep. (Ent. & Path.) Dep. For. Can 20(3): 2-3

Canava, V.P.; Kakabadze, T.G.; Canava, N.G. 1969: Observations on the effects of urea formaldehyde applied to red earth tea soils. Subtropicheskie Kul'tury (5): 174-182

Kadvekar, L.K.; Murkibhavi, G.R.; Kulkarni, P.E. 1969: Observations on the effects of various doses of progesterone in delayed heat and lowered fertility in she-buffaloes. Indian J. anim. Sci 39: 279-280

Gupta, O.P.; Singh, R.M. 1967: Observations on the efficacy of band application of fluometuron, simazine and atrazine in weed control in hybrid sorghum. Indian J. Sci. Ind 50(3): 155-62

Singh, S.B.; Sukumaran, K.K.; Pillai, K.K.; Chakrabarti, P.C. 1967: Observations on the efficacy of grass carp, Ctenopharyngodon idella (Val.), in controlling and utilizing aquatic weeds in ponds in India. Proc. Indo-Pacif. Fish. Coun., Honolulu 1967. 12: II, 220-35

Uchida, T.A. 1968: Observations on the efficiency of the Japanese weasel, Mustela sibirica itatsi Temminck & Schlegel, as a rat-control agent in the Ryukyus. Bull. Wld Hlth Org 39(6): 980-986

Skerman, K.D.; Shahlapoor, A.; Eslami, E. 1964: Observations on the efficiency of thiabendazole as an anthelmintic for horses in Iran. Veterinary Record 76: 48, 1400-1402

Moussa, M.A.; Naguib, M.; Zaher, M.A. 1964: Observations on the egglaying habits of Prodenia litura (Fabr.) in cotton fields (Lepidoptera : Agrotidae-Zeaobiinae). Bull. Soc. enl. Egypte 47: 59-63

Richards, S.A.; Sykes, A.H. 1964: Observations on the electrical stunning and slaughter of poultry. Vet. Rec 31: 835-839

Nguyen Thanh-Xuan 1967: Observations on the elimination of diapause in P. pyri in natural conditions. Annales de la Societe Entomologique de France 3(1): 151-164

Bird, G.W.; Goodman, R.M.; Mai, W.F. 1968: Observations on the embryogenesis of Trichodorus christiei (Nema-todea: Diphtherophoroidea). Can. J. Zool 46(2): 292-293

Coil, W.H. 1967: Observations on the embryonic development of the cyclophyllidean cestode. Diplophallus polymorphus with emphasis on the histochemistry of the egg membranes. Zeitschrift für Parasitenkunde 29(4): 356-373

Coil, W.H. 1968: Observations on the embryonic development of the dioecious tapeworm infula macrophallus with emphasis on the histochemistry of the egg membranes. Z. ParasitKde 30(4): 301-317

Khouri, S.R.; Pande, B.P. 1970: Observations on the embryonic development of the egg in Ascaridia galli. Indian Veterinary Journal 47(5): 398-402

Ishizaki, R.; Shimizu, T. 1970: Observations on the envelope properties of RSV(O). Virology 40(2): 415-417

Mackenzie, A.; Michel, J.F. 1964: Observations on the eosinophil leucocyte response and its specificity after vaccination and infection of cattle with Dictyocaulus viviparus. Veterinary Record 76: 51, 1493-1497

Povey, R.C.; Johnson, R.H. 1970: Observations on the epidemiology and control of viral respiratory disease in cats. Journal of Small Animal Practice 11(7): 485-494

Clayton, Y.M.; Noble, W.C. 1966: Observations on the epidemiology of Candida albicans. Journal of Clinical Pathology 19(1): 76-78

Schmiedeknecht, M. 1967: Observations on the epidemiology of Lucerne common leaf spot and trials on the diminution of losses. Z. PftKrankh. PflPath. PflSchutz 74(5): 290-302

Bailey, W.S.; Morgan, D.H.; Cabrera, D.J. 1964: Observations on the epidemiology of Spirocerca lupi in the southeastern United States. Auburn Vet 20(3): 124-128

Sweeney, E.J. 1964: Observations on the epidemiology of mastitis due to Streptococcus uberis in a laboratory herd during a complete lactation. Res Veterinary Sci 5(4): 483-487

Connan, R.M. 1967: Observations on the epidemiology of parasitic gastro-enteritis due to Oesophagostomum spp. and Hyostrongylus rubidus in the pig. Veterinary Record 80(14): 424-429

Michel, J.F. 1969: Observations on the epidemiology of parasitic gastro-enteritis in calves. Journal of Helminthology 43(1): 111-133

Jacobs, D.E. 1971: Observations on the epidemiology of some helminth infections of the pigs and the control of these with a new broad spectrum anthelmintic 'dichlorvos'. Helminthologia 10: 93-102

Lovisolo, O. 1964: Observations on the epidemiology of virus diseases of plants, particularly ornamentals. Studies of the C.N.R. research group for virus diseases: L3XIII. Annali Accad. Agric. Torino, 65. 107: 197-228

Baker, K.P. 1970: Observations on the epidemiology, diagnosis and treatment of demodicosis in dogs. Veterinary Record 86(4): 90-91

Southgate, V.R. 1970: Observations on the epidermis of the miracidium and on the formation of the tegument of the sporocyst of Fasciola hepatica. Parasitology 61(2): 177-190

Heuschele, W.P.; Stone, S.S.; Coggins, L. 1965: Observations on the Epizootiology of African Swine Fever. Bulletin of Epizootic Diseases of Africa 13: 157-160

Lambrechts, M.C. 1965: Observations on the epizootiology of foot-and-mouth disease in South Africa with some remarks on the use of attenuated SAT 1 and SAT 2 live virus vaccines in field trials. J. S. Afr. vet. med. Ass, Vet. Field Services, Pretoria, 36: 01

Anderson, J.R.; Poorbaugh, J.H. 1964: Observations on the ethology and ecology of various Diptera associated with northern California poultry ranches. J Med Entomol 1(2): 131-147

Mckay, K.A.; Gray, D.P. 1965: Observations on the Etiological Agent of Plasmacytosis of Mink; Evidence Suggesting a Relationship of the Agent to the Granules of a Mycobacterium Species. Canadian Journal of Comparative Medicine and Veterinary Science 29: 3-14

Lefevre, P. 1970: Observations on the evolution of heavy phosphorus and potassium dressings applied to a deep loam soil in forest nurseries. C.r. hebd. Seanc. Acad. Agric. Fr 56: 937-945

Barralis, G. 1969: Observations on the evolution of the weed flora: influence of 4 years' weed control on a common crop rotation. 3e Colloque sur la Biologie des Mauvaises Herbes, Grignon (S.-et-O.). 1: 39-61

Meiri, A.; Anderson, W.P. 1970: Observations on the exchange of salt between the xylem and neighbouring cells in Zea mays primary roots. J. exp. Bot, 21: 69, 908-14

Nama, H.S. 1967: Observations on the excretory system of Gaigeria pachyscelis (Railliet & Henry, 1910)-a hookworm of ruminants. J. Anim. Morph. Physiol 13(1/2): 144-147

Boshell, J.; Rajagopalan, P.K. 1968: Observations on the experimental exposure of monkeys, rodents and shrews to infestation of ticks in forest in Kyasanur Forest diseases area. Indian Journal of Medical Research 56(4): 573-588

Colen, J.; Vanarsdel, P.P.; Pasnick, L.J.; Horan, J.D. 1964: Observations on the Experimental Reproduction of Asthma with Mold Antigens. Journal of Allergy 35: 331-338

Recamier, A. 1964: Observations on the extension of the damage caused by the wheat bulb fly at the Centre National d'Experimentation and a study of control methods. C. r. hebd. Seanc. Acad. Agric. Fr, Paris 50(9): 773-779

Michel, J.F. 1969: Observations on the faecal egg count of calves naturally infected with Ostertagia ostertagi. Parasitology 59(4): 829-835

Derbyshire, J.B.; Clarke, M.C.; Jessett, D.M. 1966: Observations on the faecal excretion of adenoviruses and enteroviruses in conventional and minimal disease pigs. Vet. Rec 79: 595-599

Hutchison, W.M.; Work, K. 1969: Observations on the faecal transmission of Toxoplasma gondii. Acta Pathologica et Microbiologica Scandinavica 77(2): 275-282

Hutchison, W.M.; Work, K. 1969: Observations on the faecal transmisson of Toxopfesma goodii. Acta path. microbiol. scand, Dep. Biol., Univ. Strathclyde, Glasgow 77: 275-282

Ali, M.M. 1970: Observations on the family Tropisuridae Yamaguti, 1961 (Nematoda, Spiruridea), with a revised classification of the genus Tropisurus (Diesing, 1835) and a description of four new species. Acta parasit, Pol., 18: 1 /12, 85-98

Dunn, F.L. 1966: Observations on the fauna of Pulau Tioman and Pulau Tulai. 11. Notes on the endoparasites. Bull. natn. Mus. St, Singapore, 34, 141-149

Couilloud, R. 1965: Observations on the fauna of cotton in the Logone basin (Chad) (with the exception of bollworms). Coton Fibr. trop, 20: fase. 4, 517-530

Cochereau, P. 1970: Observations on the fauna of decaying wood in New Caledonian forest. Cah. O.R.S.T.O.M., Ser. Biol, 12, 123-7

Gowen, S.R. 1970: Observations on the fecundity and longevity of Tylenchus emarginatus on Sitka Spruce seedlings at different temperatures. Nematologica 16(2): 267-72

Saichuae, P.; Gerson, U.; Henis, Y. 1972: Observations on the feeding and life history of the mite (Nothrus biciliatus (Koch). Soil Biology and Biochemistry 4(2): 155-164

Schmidt, J.R.; Schmidt, M.L. 1965: Observations on the feeding habits of Phlebotomus papatasi (Scopoli) under simulated natural conditions. Journal of Medical Entomology 2(3): 225-230

Takahashi, M.; Yabe, S.; Shimizu, Y. 1971: Observations on the feeding habits of some mosquitoes in Gunma Prefecture, Japan. Japanese Journal of Medical Science and Biology 24(3): 163-169

Pike, L.A. 1967: Observations on the feeding of babies with gastro-enteritis on an acidified milk formula. W. Indian med J 16: 225-27

Alekseev, A.N.; Bibikova, V.A.; Khrustselevskaya, N.M. 1968: Observations on the feeding of fleas under the conditions of forced feeding through a capillary tube with causal agents of plague. Parazitologiya 2(2): 115-123

Alekseev, A.N.; Saf'yanova, V.M. 1968: Observations on the feeding of sand-flies (Diptera, Phlebotominae) in conditions of forced feeding with leptomonad cultures. Zoologicheskii Zhurnal 47(1): 91-98

Hamon, J.; Sales, S.; Coz, J.; Ouedraogo, C.S.; Dyemkouma, A.; Diallo, B. 1964: Observations on the feeding preferences of mosquitos in the Republic of Upper Volta. Bull. Soc. Path. exot 57(5): 1133-1150

Mcelroy, F.D.; Van Gundy, S.D. 1968: Observations on the feeding processes of Hemicycliophora arenaria. Phytopathology 58: 11, 1558-1565

Wells, M.J.; Wells, J. 1970: Observations on the feeding, growth rate and habits of newly settled Octopus cyanea. J. Zool 161: 65-74

Anjaneyulu, G. 1968: Observations on the female reproductive system of Genar-chopsis punctati Agrawal, 1966. Indian Journal of Helminthology 19(2): 118-121

Butterfield, R.M.; Matthews, R.G.; Ropiha, R.T. 1964: Observations on the fertility of Thoroughbred mares. Aust. vet J 40: 415-417

Stewart, D.L. 1964: Observations on the fertility of frozen semen stored at -79 degrees C and - 196 degrees C. 5th int. Congr. Anim. Reprod. A.I, Trento 4: 617-623

Jaskowski, L.; Bernacki, Z. 1968: Observations on the fertility of heifers exposed to restricted water supply at about the time of oestrus. Bull. vet. Inst. Pulawy. 12: 13-15

Wodzicka-Tomaszewska, M.; Welch, R.A.S. 1969: Observations on the fertility of the two-tooth New Zealand Romney ewe. Summ. in Proc. N.Z. Soc. Anim. Prod, 29: 194

Carrante, V. 1964: Observations on the fertilizing of vines and olives. Progr. agric, Bologna., 10: 311-28

Bronner, H. 1968: Observations on the field germination of pelleted sugar-beet seed in Upper Austria. Bodenkultur 19(1): 46-54

Cole, L.R. 1970: Observations on the finding of mates by male Phaeogenes invisor and Apanteles medicaginis (Hymenoptera: Ichnenmonoidea). Anim. Behav, London 18(1): 184-189

McLaren, D.J. 1969: Observations on the fine structural changes associated with schizogony and gametogony in Eimeria tenella. Parasitology 59(3): 563-574

Fawcett, D.W.; Eddy, E.M.; Phillips, D.M. 1970: Observations on the fine structure and relationships of the chromatoid body in mammalian spermatogenesis. Biology of Reproduction 2(1): 129-153

Gardner, I.C. 1965: Observations on the fine structure of the endophyte of the root nodules of Alnus glutinosa (L.) Gaertn. Arch. Mikrobiol., Berlin 51(4): 365-83

Morseth, D.J. 1967: Observations on the fine structure of the nervous system of Echinococcus granulosus. Journal of Parasitology 53(3): 492-500

Marziani, G.; Orsenigo, M. 1965: Observations on the fine structure of the plastids in a lycopinic mutant of maize. A preliminary report. Atti V Congr. ital. Microscop. elettron 11: 158-59

Gatner, E.M.; Gardner, I.C. 1970: Observations on the fine structure of the root nodule endophyte of Hippophaë rhamnoides L. Archiv für Mikrobiologie 70(3): 183-196

Benazzi, P.; Biancardi, G.; Ceresa, E. 1964: Observations on the first decade of control of bovine tuberculosis in the Piacenza Province. Vet. ital 15: 434-441

Khalifa, A. 1967: Observations on the first-stage larva of the pink bollworm. J Econ Entomol 60(1): 276

De Meillon, B.; Khan, Z.H. 1967: Observations on the flight activities of Culex pipiens fatigans in Rangoon, Burma. Bulletin of the World Health Organization 36(1): 15-20

Schutte, F. 1965: Observations on the flight of D. brassicae. Z. angew. Ent, 55: pt. 4, 365-376

Aristeguieta, L. 1968: Observations on the flora of the 'morichales llaneros' N. of the Orinoco. Acta bot. Venez 3(1-4): 19-38

Smith, H.W. 1965: Observations on the Flora of the Alimentary Tract of Animals and Factors Affecting its Composition. Journal of Pathology and Bacteriology 89: 95-122

Sivaraman Nair, P.C.; Mathew, L. 1969: Observations on the floral biology and fruit set in vanilla. Agric. Res. J. Kerala 7(1): 46-47

Duranti, A. 1964: Observations on the floral biology of H. esculentus L. (A. esculentus May). Ann. Fac. Sci. agr. Portici., 30: 393-406

Duranti, A. 1964: Observations on the floral biology of Hibiscus (Abelmoschus) esculentus.). Ann. Fac. Sci. agrar. Napoli 30: 393-406

George, P.J.; Et Al. 1967: Observations on the floral biology of and fruit set in Hevea brasiliensis Mull-Arg. Rubber Bd. Bull, India 9(2): 18-27

Sedivy, J.; Zuskova, L. 1968: Observations on the floral biology of lucerne. Ved. Prace. vyzk. Ustav. rostlin. Vyhrob. Praze-Ruzyni. 12: 45-52

Reichel, M. 1965: Observations on the flower buds of apple and Schattenmorelle. Obstbau. Berlin 5: 45-7

Venkatesh, C.S.; Arya, R.S. 1967: Observations on the flowering and fruiting behaviour of Semul grafts. Indian For 93(8): 586-7

Goldin, E.; Har-Tzook, A. 1966: Observations on the flowering and reproduction of groundnuts (Arachis hypogaea L.) in Israel. Israel J. agric. Res 16(1): 3-10

Hieke, K. 1971: Observations on the flowering of clivias. Gar-tenwelt 71: 231-2

Bonnemaison, L. 1971: Observations on the fluctuations of aphid populations on cabbage, beet and potato. Annales de la Societe Entomologique de France 7(3): 505-551

Kunzi, N. 1965: Observations on the fodder consumption of dairy cows. Schweiz. landw. Mh 43(8/9): 294-306

Banerjee, D.K.; Chatterjea, J.B. 1965: Observations on the folate activity of human serum. Bulletin of the Calcutta School of Tropical Medicine 13(2): 45-47

Zaidi, S.S.H. 1966: Observations on the food and feeding habits of Euthynnus affinis (Cantor) and Kishinoella tonggol (Bleeker) found in the Arabian Sea. Agriculture Pakistan 17: 337-345

Jollans, J.L. 1966: Observations on the food conversion rate of specific-pathogen-free boars. Anim Prod 8(2): 321-324

Field, C.R. 1970: Observations on the food habits of tame warthog and antelope in Uganda. E. Afr. Wildl. Jnl. 8: 1-17

Seeley, Charles M. 1964: Observations on the food of fingerling largemouth bass in Clear Lake, Lake County, California. California Fish Game 50(3): 158-169

Mccormack, J.C. 1970: Observations on the food of perch (Perca fluviatilis L.) in Windermere. J. Animal Ecol 39: 255-267

Maliszewska, Z. 1966: Observations on the food of several species of predatory forest insects. Ekologia polska. Seria A 14(8): 139-143

Chretien, J. 1964: Observations on the forest soils of Vernotte (Haute-Saone). Bull. Ass. franc. Et. Sol, 9, 346-357

Blomstrand, R. 1971: Observations of the formation of ethanol in the intestinal tract in man. Life Sciences. Pt. 2: Biochemistry General and Molecular Biology 10(10): 575-582

Ramina, A. 1969: Observations on the formation of feather shoots on the peach. Part I. Riv. Ortoflorofruttic. ital 53: 611-16

Molinari, P.; Zahut, H. 1964: Observations on the formic acid content in rumen material. La Clinica Veterinaria 87: 230-232

Werth, K.; Petermair, J. 1971: Observations on the fruit tortrix moth. Obstbau Welnbau 8(12): 343-345

Overton, J.R.; Parks, W.L.; Andrews, H. 1969: Observations on the fruiting pattern of cotton. Tenn. Fm Home Sci. Prog. Rep, 69, 5-7

Quagliotti, L. 1968: Observations on the fruits of various pepper populations in Piedmont. Riv. Ortoflorofruttic. ital 52: 259-68

Galzy, P.; Bizeau, C. 1965: Observations on the function of the genes pl1, pl5 and p/7 in S. cerevisiae Hansen. Arch. Mikrobiol 52: 353-59

Magalhaes, A.C. 1970: Observations on the functional action of dicamba in Cyperus rotundus. Turrialba 20(1): 40-4

Jensen, W.A. 1964: Observations on the Fusion of Nuclei in Plants. Journal of Cell Biology 23: 669-672

Geraert, E. 1971: Observations on the genera Boleodorus and Boleodoroides (Nematoda: Tylenchida). Nematologica 17(2): 263-276

Ali, M.M. 1969: Observations on the genus Monopetalonema (Diesing, 1861) (Nema-toda: Filarioidea), with description of a new species. Zoologischer Anzeiger 182(3-4): 250-254

Stone, B.C. 1970: Observations on the genus Pandanus in Madagascar. Bot. J. Linn. Soc, Lond., 63: 97-131

Siddiqi, M.R.; Husain, Z. 1968: Observations on the genus Xiphinemella Loos, 1950, with descriptions of X, utahnemacea n.sp. and Tylencholaimellus modulus n.sp. (Nematoda: Leptonchidae) from India. Bull. Ent. Loyola Coll 9(1): 20-24

Lavallee, A.; Lortie, M. 1971: Observations on the germination and viability of basidiospores of P. aurivella. Phytoprotection 52(3): 112-118

Sklavunu-Zurukzoglu, S.; Mameletzis, C.; Katriu, D. 1965: Observations on the glucose-6-phosphate dehydrogenase of the breast milk. Helvetica Paediatrica Acta 20(2): 193-196

Ammal, E.K.J.; Bhatt, B. 1971: Observations on the glyco-alkaloid content of diploid and tetraploid Solanum khasianum Clarke. Current Science 40(3): 70-71

Lissia-Frau, A.M.; Pala, M. 1966: Observations on the gonads of masculinised hybrid quail of the Coturnix c. japonica. Riv. ital. Ora 36: 10-21

Scaramuzzi, F. 1969: Observations on the grafting of cambial tissues of pears and quinces cultured in vitro. Riv. Ortoflorofruttic. ital 53: 136-48

Schmid, H.; Buchloh, G. 1970: Observations on the grafting of sweet cherry on Prunus spinosa. Erwerbsobstbau 12: 177-9

Berville, P.; Bezut, M.; Leclant, F.; Prout, M. 1968: Observations on the green peach aphid in Herault and Gard in 1968. Phytoma 20(203): 27-35

Anthony, J.; Freezaillah Bin, C.Y. 1969: Observations on the growth and development of Pinus caribaea Mor. seedlings grown in various potting mixtures. Malay. Forester 32(3): 303-28

Ohder, H.; Lund, L.J.; Whiteland, A.P. 1970: Observations on the growth and development of bluetongue, nairobi sheep disease and Rift Valley Fever viruses by fluorescent antibody technique and titration in a tissue culture system. Archiv für die Gesamte Virusforschung 29(2): 127-138

Lister, G.F. 1968: Observations on the growth and physiology of Pinus strobus L. seedlings grown under various conditions of soil moisture and nitrogen and phosphorus nutrition. (Part I & II). Dissertation Abstracts B, The Sciences and Engineering 29: 1277-1278

Efner, T. 1968: Observations on the growth and productivity of lambs weaned early. Zeszyty Problemowe Postepow Nauk Rolniczych 81: 81-86

Vries, P.G D.Monteiro, E.G. 1968: Observations on the growth and yield of Abies grandis in Gieten (Drente). Ned. Bosb. Tijdschr 40(12): 439-50

Ferguson, J.E. 1969: Observations on the growth characteristics of Glycine javanica L. Qd, J. agric. Anim. Sci 26: 513-16

Jones, O.P. 1965: Observations on the growth effects of xylem sap from apple trees. East Malling Res Sta Annu Rep 1964: 119-123

Aliperta, A.; Giuliano, V.; Micillo, E. 1966: Observations on the growth of A. fumigatus in the course of its development in culture. Archos Tisiol 21(2): 116-126

Mwakha, E. 1970: Observations on the growth of Bungoma grass (Entolasia imbricata Stapf). C.S.I.R.O. Pl. Introd. Rev 7(1): 24-9

Long, P.L. 1969: Observations on the growth of Eimeria tenella in cultured cells from the parasitized chorioallantoic membranes of the developing chick embryo. Parasitology 59(4): 757-765

Daleel, E.E.; Mustafa, A.A. 1968: Observations on the growth of Mycoplasma mycoides C.B.P.P. vaccine strain. Sudan J. vet. Sci. anim. Husb, 9: 15

Sanfilippo, E.; Lepori, L. 1971: Observations on the growth of Pinus radiata, and its relation to the climate, in a plot in Sette Fratelli state forest, Cagliari. Cellulosa e Carta 22(10): 21-33

Galzy, R. 1969: Observations on the growth of Vitis rupestris grown in vitro on different nutrient media. Vitis 8: 191-205

Ramaiah, P.K.; Vasudeva, N. 1969: Observations on the growth of coffee berries in South India. Turrialba 19: 455-64

Succi, G. 1966: Observations on the growth of fowls after wing amputation. Zootec. Vet 21: 63-69

Succi, G. 1966: Observations on the growth of fowls with amputated wings. Atti Soc. ital. Sci. vet 19: 288-290

Deidda, P. 1968: Observations on the growth of olive fruits: variations of some major elements in the leaves and fruits and the accumulation of oil. Studi sassar., Sez. Ill 16: 501-13

Fordham, R. 1972: Observations on the growth of roots and shoots of tea (Camellia sinensis, L.) in southern Malawi. Journal of Horticultural Science 47(2): 221-229

Gibes, C.; Czechowicz, B. 1965: Observations on the growth of the mallard (Anas platyrhynchos). Roczn. Nauk roln 85: 571-589

Mlttempergher, L. 1964: Observations on the growth of young pear trees as related to crotch height and the number of shoots. Riv. Ortoflorofruttic. ital 48: 331-7

Hutchison, M. 1970: Observations on the growth rate and development of some East African antelopes. J. Zool 161: 431-436

Deidda, P. 1965: Observations on the growth rhythm of olive fruits. Frutticoltura 27: 443-54

Coates, M.E.; Harrison, G.F. 1969: Observations on the growth-promoting effects of procaine penicillin and zinc bacitracin on chicks in different environments. Journal of the Science of Food and Agriculture 20(3): 183-184

Davies, G. 1969: Observations on the growthinhibiting properties of some antisera to Mycoplasma mycoides. J. comp. Path 79: 293-299

Harada, F.; Moriya, K.; Yabe, T. 1967: Observations on the habits of feeding and oviposition of Culex tritaeniorhynchus Giles. Jap. J. appl. Ent. Zool 11(3): 83-89

Harada, F.; Moriya, K.; Yabe, T. 1968: Observations on the habits of feeding and oviposition of Culex tritaeniorhynchus summarosus Dyar (II). Jap. J. sanit. Zool 19(4): 230-236

Harada, F.; Moriya, K.; Yabe, T. 1970: Observations on the habits of feeding and oviposition of Culex tritaeniorhynchus summorosus Dyar (III). Japanese Journal of Sanitary Zoology 21(1): 46-54

Khanna, H.L.; Manchanda, S.S. 1964: Observations on the Haematological Status of Newborn and the Mother. Ii. Indian Pediatrics 1: 303-308

Nugara, D.; Jayasekara, M.U. 1968: Observations on the haematology of Sinhala cows. Ceylon Vet. J 16: 53-55

Sharma, S.N.; Nilakanitan, P.R. 1964: Observations on the haemolytic activity of Newcastle (Ranikhet) disease virus. Indian J. vet. Sci 34: 116-122

Abou Senna, H.O.; Bassaly, M. 1964: Observations on the hatching of miracidia from schistosome eggs. Medskaya Parazit 33(6): 704-706

Niemczyic, E. 1967: Observations on the hatching of the larvae of P. ulmi from winter eggs in the Nowy Sacz orchard region. Pr. Inst. Sadow. Skierniew 10: 359-378

Niemczyk, E. 1966: Observations on the hatching of winter eggs of the fruit tree red spider mite (Panonychus ulmi) in the Nowy Sacz fruit-growing region. Prace Inst. Sadown. W Skierniewicach. 10: 359-78

Pruszynski, S.; Wojnarowska, P. 1968: Observations on the hawthorn sawfly-H. crataegi. Polskie Pismo Entomologiczne 38(1): 189-204

Niphadkar, S.M.; Rao, S.R. 1966: Observations on the helminthic fauna of rats in Bombay. Indian Veterinary Journal 43(9): 844-845

Williams, H.H. 1964: Observations on the helminths of Raja. Parasitology 54(4): 5P

Biernaux, J. 1968: Observations on the hibernation of Psila rosae F. Bulletin des Recherches Agronomiques de Gembloux 3(2): 241-248

Nielsen, B.O. 1970: Observations on the hibernation of the Beech weevil (Rhynchaenus fagi L.) in Denmark. Ent. scand 1(3): 223-6

Xu, Jin-Jiang Zhao, Y.n-Xiao Lin, Jin-Han 1964: Observations on the hibernation of the eggs of the small type of Anopheles hyrcanus sinensis. Acta ent. sin, Peking 13(5): 753-756

Floreal Marsico, D. 1964: Observations on the highly productive olive groves of the dry tropical region of northern Chile. Bol Okie, int, 77, 3-10

Van Der Lande, V.M. 1972: Observations on the histochemical "aminopeptidase" reaction in the intestine of certain species of leech (Annelida: Hirudinea), with particular reference to Erpobdella octoculata (L.). Comparative Biochemistry and Physiology. A Comparative Physiology 41(4): 813-824

Coil, W.H. 1969: Observations on the histochemistry of Parastrigea mexicanus (Strigeidae: Digenea) with emphasis on egg shell formation. Trans. Am. microsc. Soc 88(1): 127-135

Bosher, S.K.; Hallpike, C.S. 1965: Observations on the Histological Features, Development and Pathogenesis of the Inner Ear Degeneration of the Deaf White Cat. Proceedings of the Royal Society of London. Series B Biological Sciences 162: 147-170

Macdonald, J.W. 1970: Observations on the histology of the lung of Gallus domesticus. British Veterinary Journal 126(2): 89-93

Rweyemamu, M.M.; Osborne, A.D.; Johnson, R.H. 1969: Observations on the histopathology of bovine herpes mammillitis. Research in Veterinary Science 10(2): 203-207

Ramachandran, S. 1967: Observations on the histopathology of lung lesions in experimental pox infection of sheep and goats. Ceylon vet. J 15: 78-82

Bjorling, K.; Nilsson, B. 1966: Observations on the host range and vector relations of Beet mild yellowing virus. Socker 21(1): 1-14

Askew, R.R. 1970: Observations on the hosts and host food plants of some Pteromalidae (Hym., Chalcidoidea). Entomophaga 15(4): 379-385

Anonymous 1971: Observations on the hybridization of tetraploid monogerm lines. Sementi Elette 17(5): 79-82

Jetlund, H. 1964: Observations on the hygienic condition of a pipeline milking system cleaned with a detergent-sterilizer (Kombi). Meieriposten 53: 47, 1079-82

Laszczka, A. 1966: Observations on the importance of exercise for breeding bulls from the viewpoint of reproductive function and the conditions under which they are exploited. Medycyna Weterynaryjna 22: 176-180

Collins, J.D.; Carroll, E.J.; Jasper, D.E.; Jain, N.C. 1970: Observations on the in vitro bactericidal activity of sera from pre-natal and post-natal calves. Veterinary Record 86(4): 93-97

Targett, G.A.; Robinson, D.L. 1964: Observations on the in Vitro Survival of Miracidia of Schistosoma Mansoni. Annals of Tropical Medicine and Parasitology 58: 453-456

Ramachandran, S.; Sharma, G.L. 1969: Observations on the incidence and histopathology of pneumonia of sheep and goats in India. Indian Veterinary Journal 46(1): 16-29

Gray, A.R.; Nixon, J. 1967: Observations on the incidence and importance of Trypanosoma theileri in Nigeria. Annals of Tropical Medicine and Parasitology 61(3): 251-260

Peneyra, R.S.; Naui, V.C. 1967: Observations on the incidence and pathology of kidneyworm infection in swine (slaughterhouse material). Philipp. J. vet. Med, Coll. Vet. Med., Quezon City, Philippines 4: 129-140

Sinha, B.K. 1967: Observations on the incidence and pathology of natural lungworm infection in pigs (Sus Scrofa Domestica) in Bihar. Indian Veterinary Journal 44(10): 884-888

Sinha, B.K. 1968: Observations on the incidence and pathology of natural spirurid stomach worm infections in a domestic pig (Sus scrofa domestica) in Bihar, India. Malay. vet. J 4: 244-249

Altaif, K.I. 1970: Observations on the incidence and seasonal variation of some helminth eggs and larvae in sheep in Iraq. Bulletin of Endemic Diseases 12(1): 99-107

Roberts, D.H.; Hanson, B.S.; Timms, L. 1964: Observations on the incidence and significance of Haemophilus gallinarum in outbreaks of respiratory disease among poultry in Great Britain. Vet. Rec 76: 1512-1516

Soskic, M.; Zekovic, P. 1968: Observations on the incidence of S. cinerea on different varieties of sweet and sour cherries in northern Metohija. Zast. Bilja 19: 111-17

Oldham, J.N. 1965: Observations on the incidence of Toxocara and Toxascaris in dogs and cats from the London area. Journal of Helminthology 39(2): 251-256

Smith, I.D.; Munday, B.L. 1965: Observations on the incidence of Toxoplasma gondii in native and introduced feral fauna in eastern Australia. Australian Veterinary J 41(9): 285-286

Roberts, I.H.; Hanosh, G.J.; Apodaca, S.A. 1964: Observations on the Incidence of Chorioptic Acariasis of Sheep in the United States. American Journal of Veterinary Research 25: 478-482

Kalra, D.S. 1967: Observations on the incidence of mastitis in relation to predisposing factors. J Res Punjab Agr Univ 4(2): 249-256

Morstin, J. 1970: Observations on the incidence of morphological changes in the semen of young bulls of the Black-and-White Lowland breed. Medycyna Weterynaryjna 26: 744-746

Ben-David, B. 1965: Observations on the incidence of pregnancy in the left uterine horn in dairy cows. Refuah Veterinarith 22: 145-147; 187-183

Cutuli, G. 1968: Observations on the incidence of shell bark and the susceptibility of lemons to the disease in eastern Sicily. Tecn. agric 20: 445-64

Fell, B.F.; Leigh, L.C.; Wenham, G.; Elsley, F.W. 1970: Observations on the incidence of spontaneous lesions of bone in pigs. British Veterinary Journal 126(6): 306-315

Turner, P.D. 1969: Observations on the incidence, effects and control of upper stem rot in oil palms. Progress in oil palm, being Proc. 2nd Malays. Oil Palm Conf-, 1969. 143-53

Skerman, K.D.; Shahlapour, A.A.; Eslami, A.H.; Eliazian, M. 1970: Observations on the incidence, epidemiology, control and economic importance of gastro intestinal parasites of sheep and goats in Iran. Archs Inst. Razi. 22: 187

Skerman, K.D.; Shahlapoor, A.A.; Eslami, A.H.; Eliazian, M. 1968: Observations on the incidence, epidemiology, control and economic importance of gastrointestinal parasites of sheep and goats in Iran. Vet. med. Rev. Leverkusen. 141-152

Grunert, E.; Frerking, H. 1969: Observations on the increase in incidence of severe teat lesions during the past 15 years in Northern Germany. Deutsche Tierärztliche Wochenschrift 76(1): 1-7

Mazanowski, A.; Mazanowska, A. 1968: Observations on the incubation and rearing of quails derived from Italian imports. Medycyna Weterynaryjna 24: 178-180

Ewing, S.A.; Buckner, R.G. 1965: Observations on the incubation period and persistence of Ehrlichia sp. in experimentally infected dogs. Vet. Med. & Small Anim. Clin 60: 152-155

Egger, E. 1971: Observations on the indexes of detachment and crushing of wine grapes grown in Venetia in relation to the integrated mechanization of harvesting. Rivista di Viticultura e di Enologia 24(11): 429-446

Salinas Quinard, R.; Echenique Manrique, R.; Galvez Cruz, L. 1971: Observations on the induction of resistance to attack by wood-decaying fungi in wood subjected to different doses of gamma-radiation. Revista Latinoamericana de Microbiologia y Parasitologia, Mexico 13(1): 45-58

Salinas-Quinard, R.; Echenique-Manrique, R.; G?lvez-Cruz, L. 1971: Observations on the induction of resistance to attack by wood-decomposing fungi in wood subjected to different levels of gamma radiation. Rev. latinoam. Microbiol. Parasitol 13(1): 45-58

Lugt, C.; Bodlaender, K.B.A.; Goodijk, G. 1964: Observations on the induction of second-growth in potato tubers. Eur. Potato J 7(4): 219-27

Nawawi Bin Hoji Ayub, A.; Swinburne, T.R. 1970: Observations on the infection and rotting of Apples var. Bramley's Seedling by Diaporthe perniciosa. Ann. appl. Biol 66(2): 245-255

Hall, H.H.; Julian, G.S.; Adams, G.L. 1968: Observations on the infection of Japanese beetle larvae with Bacillus popilliae. J Econ Entomol 61(3): 840-843

Robinson, R.K.; Lucas, R.L. 1967: Observations on the infection of Zea mays by Ophiobolus graminis. Plant Pathol 16(2): 75-77

Cimanowski, J.; Machnik, B. 1970: Observations on the infection of apple buds by the fungus Podosphaera leucotricha. Prace Instytutu Sadownictwa w Skierniewicach, Skierniewice, Poland, 14, 265-271

Kinoti, G. 1968: Observations on the infection of bulinid snails with Schistosoma mattheei. I. The susceptibility of Bulinus africanus and Bulinus truncatus. Annals of Tropical Medicine and Parasitology 62(3): 382-392

Kinoti, G.K. 1971: Observations on the infection of bulinid snails with Schistosoma mattheei. II. The mechanism of resistance to infection. Parasitology 62(1): 161-170

Lapwood, D.H. 1968: Observations on the infection of potato leaves by Phytophthora infestans. TRANS BRIT MYCOL SOC 51(Pt 2): 233-240

Schmidt, H.-H. 1971: Observations on the infection-' decline' phenomenon in the occurrence of root rot diseases in monocultures. Arch. PflSchuiz 7(2): 109-118

Ricou, G. 1971: Observations on the infestation of fascioliasis biotopes with lymnaeid snails. International Liverfluke Colloquium (2nd), Wageningen, October 2-6, 1971. 155-156

Lamberti, F.; Quacquarelli, A. 1965: Observations on the influence of certain fungicides used in viticulture on the course of fermentation of musts. Phytopath. Mediterranea 4(2): 77-84

Magalhaes, A.C. 1967: Observations on the influence of light on the growth of purple nutsedge, Cyperus rotundus L. Bragantia 26(9): 131-42

Bochow, H. 1966: Observations on the influence of plants on the behaviour of phytopathogenic fungi in soil. Tests on chemical control of the Cabbage club root agent P. brassicae. Wiss. Z. Univ. Rostock 15(2): 239-243

Vogt, H.; Steinke, L. 1970: Observations on the influence of sex ratio and age on fertility and hatchability in Japanese quails. Arch. Ge beta ugelk 34: 1-6

Zycha, H.; Kliefoth, R. 1971: Observations on the influence of soil on germination of F. annosus spores. Phytopath. Z 71(4): 285-294

Bloch, S. 1968: Observations on the influence of stress applied before pregnancy on the subsequent gestation in the laboratory mouse. I. Gynaecologia 166: 361-368

Jaskowski, L.; Walkowski, L.; Rulski, T.; Szulc, L.; Klosowski, B. 1966: Observations on the influence of subclinical hypovitaminosis A on the production and quality of semen in bulls. Polskie Archwm wet 10: 191-211

Schuster, G. 1969: Observations on the influence on virus symptoms and on the development of symptoms simulating virus infection after the use of s-triazines and other chemicals. Ber. Inst. Tabakforsch 16: 35-44

Norrish, J.G.; Rennie, J.C. 1968: Observations on the inheritance of atresia ani in swine. Journal of Heredity 59(3): 186-187

Hoppe, R. 1970: Observations on the inheritance of paresis spastica of the hind limbs in cattle. Genet. pol, 10: 3/4 (1969), 147-151

Janosi, L. 1965: Observations on the inheritance of sex. Allattenyesztes 14: 283-287

Hoser, J. 1965: Observations on the inheritance of some characters in tomatoes. Genet, polon 6: 209-17

Lado, P. 1964: Observations on the inhibiting effect of high osmotic pressures on various types of growth. G. bot. ital 71: 489-502

Michel, J.F.; Lancaster, M.B.; Hong, C. 1970: Observations on the inhibition of development of Cooperia oncophora in calves. British Veterinary Journal 126(9): 35-37

Crabbe, J. 1969: Observations on the initial growth of axillary shoots of apple released from apical dominance by pinching or pruning during the growth period. Bull. Rech. agron. Gembloux 4: 368-77

Succi, G.; Villa, G. 1966: Observations on the injection of chicks of both sexes with some hormones. Zootec. Vet 21: 120-132

Succi, G.; Villa, G. 1966: Observations on the injection of some hormones into chickens of both sexes. Zootec. Vet 21: 120-132

Bolay, A.; Bovay, E. 1965: Observations on the injuries caused by fluorine compounds in Valais. Agric. romande 4: 43-6

Rajendra, A. 1968: Observations on the insect pests of the sugar cane crop at Kantalai (Ceylon). Ceylon Journal of Science, Biological Sciences 8(1): 21-26

Schneeberger, H. 1966: Observations on the intake by cows of grass cut by different methods. Schweiz. landw. Forsch 5(3/4): 319-36

Fletcher, G.L.; Holmes, W.N. 1968: Observations on the intake of water and electrolytes by the duck (Anas platyrhynchos) maintained on fresh water and on hypertonic saline. J. Exp. Biol 49: 325-339

Dominik, J. 1967: Observations on the intensity of damage by insects, mammals and parasitic fungi in young plantations of lodgepole pine (P. contona var. murrayana), eastern white pine (P. strobus) and Scots pine (P. sylvestris) in the experimental forest of the Agricultural University at Rogow. Sylwan. Warsaw 111(10): 59-63

Listowski, A. 1964: Observations on the interaction between external conditions and development of some perennial plants. Proc. Symp. Differentiation of Apical meristems and Problems of Ecol Reg. of Develop. Pls, Praha-Nitra 1966: 261-9

Lakshminarasimhan, A. 1969: Observations on the internal ear and some acessory structures of the new-born calf (Bos bubalis). Indian Veterinary Journal 46(3): 224-227

Galzy, R. 1965: Observations on the internal state of health of a fanleaf-infected clone of V. rupestris. Ann. Epiphyt 16: 97-108

Matthews, D.M.; Lis, M.T.; Cheng, B.; Crampton, R.F. 1969: Observations on the intestinal absorption of some oligopeptides of methionine and glycine in the rat. Clinical Science 37(3): 751-764

Yamamoto, M.; Kitami, K. 1971: Observations on the invasion of Phytophthora infestans to the cultured tissues of Potatoes. Ann. phytopath. Soc. Japan 37(1): 58-62

Alexander, D.P.; Britton, H.G.; Nixon, D.A. 1966: Observations on the isolated foetal sheep with particular reference to the metabolism of glucose and fructose. Journal of Physiology 185(2): 382-399

Clark, B.L.; Dufty, J.H.; Monsbourgh, M.J. 1969: Observations on the isolation of Vibrio fetus (venerealis) from the vaginal mucus of experimentally infected heifers. Australian Veterinary Journal 45(5): 209-211

Justines, G.; Johnson, K.M. 1970: Observations on the laboratory breeding of the cricetine rodent Calomys callosus. Laboratory Animal Care 20(1): 57-60

Kingston, N. 1966: Observations on the laboratory rearing of terrestrial molluscs. Am. Midl. Nat 76(2): 528-532

Madziaaa-Borusiewicz, K. 1967: Observations on the larvae of T. azureus, T. caudatus and A. hohenheimensis occurring in spruce cones. Z. angew. Ent, 59: pt. 1, 54-58

Sarpe, N. 1967: Observations on the latest technique for mineral cultivation in maize with the aid of atrazine. Abstr, 6th int. Congr. Pl. Prot, Vienna, 407-8

Wood-Gush, D.G.; Gilbert, A.B. 1969: Observations on the laying behaviour of hens in battery cages. British Poultry Science 10(1): 29-36

Blaha, J. 1966: Observations on the leaf area with several types of vine training. Mitt. Klosterneuburg. 16: 13-18

Evoli, M.; Pirola, A. 1971: Observations on the leaf epidermis of Echinchloa sp. pl. Riso 20(2): 143-149

D.Camargo, P.N. 1966: Observations on the leaf structure of Spathodea nilotica. An. Esc. sup. Agric. Queiroz. 23: 295-303

Callahan, J.C. 1965: Observations on the length of the 1963-64 maple tapping season at the Southern Indiana Forage Farm. Res.Progr. Rep.Purdue agric. Exp. Stat, 175: 4

Eynard, I.; Quaglino, A. 1968: Observations on the length of the bunch stalk in relation to the possibilities of mechanized harvesting of vines grown in Piedmont. Atti Accad. ital. Vite 20: 319-40

Zwolinski, J.; Siudzinski, S. 1966: Observations on the length of time foals for breeding are kept with their dams. Medycyna Weterynaryjna 22: 282-285

Howell, J.M.; Thompson, J.N. 1967: Observations on the lesions in vitamin A deficient adult fowls with particular reference to changes in bone and central nervous system. British Journal of Experimental Pathology 48(4): 450-454

Harris, F. 1966: Observations on the lesser mealworm, Alphitobhts diaperinus (Panz.). J. Ga ent. Soc, Athens, Ga., 1: 7-18

Ide, Y.; Ogura, Y.; Yonemura, T. 1966: Observations on the levels of non-protein and urea nitrogen in serum and milk of cows. National Institute of Animal Health Quarterly 6(4): 233-240

Donahaye, E.; Navarro, S.; Calderon, M. 1966: Observations on the life cycle of Caryedon gonagra (F) on its natural hosts in Israel, Acacia spirocarpa and A. tortilis. Trop. Sci., Lond 8(2): 85-9

Velasquez, C.C. 1964: Observations on the Life Cycle of Euparyphium Paramurinum Sp. N. (Trematoda: Echinostomatidae). Journal of Parasitology 50: 106-111

Peleo, B.A. 1965: Observations on the life cycle of the black scale, Saissetia oleae Bern., on Citrus and olive trees in Israel. Israel J. agric. Res, Rehovot 15(1): 21-26

Pike, A.W. 1969: Observations on the life cycles of Notocotylus triserialis Diesing, 1839, and N. imbricatus (Looss, 1893) sensu Szidat, 1935. Journal of Helminthology 43(1): 145-165

Chiswell, J.R. 1964: Observations on the life histories of some leaf-hoppers (Homoptera: Cicadellidae) occurring on apple trees, and their control with insecticides. J. hort. Sci. 39: 9-23

Borden, J.H. 1969: Observations on the life history and habits of. Canad. Ent 101(8): 870-8

Borden, J.H. 1969: Observations on the life history and habits of Alniphagus aspericollis (Coleoptera: Scolytidae) in southwestern British Columbia. Can. Ent 101(8): 870-878

Stewart, K.W. 1965: Observations on the life history and habits of Scierus annectens (Coleoptera: Scolytidae). Annals of the Entomological Society of America 58(6): 924-927

Shirasaka, A.; Sasa, M. 1967: Observations on the life history in the laboratory of some Japanese and Thai trombiculid mites. Japanese Journal of Experimental Medicine 37(2): 129-140

Mishra, S.C.; Pandey, N.D. 1966: Observations on the life history of Atteva fabriciella Swed. (Yponomeutidae: Lepidoptera) a pest of Ailanthus excelsa at Kanpur. Indian For 92(7): 461-4

Beshear, R.J. 1969: Observations on the life history of Hemisphaerota cyanea in Georgia (Coleoptera : Chrysomelidae). Journal of the Georgia Entomological Society 4(4): 168-170

Velasquez, C.C. 1964: Observations on the Life History of Plagiorchis Dilimanensis Sp. N. (Trematoda: Digenea). Journal of Parasitology 50: 557-563

Ciesla, W.M. 1965: Observations on the life history of Telenomus alsophilae, an egg parasite of the elm spanworm, Ennomos subsignarius. J Econ Entomol 58(4): 702-704

Mccambridge, W.F.; Pierce, D.A. 1964: Observations on the life history of the pinyon needle scale Matsucoccus acalyptus (Homoptera, Coccoidea, Margaro-didae). Annals of the Entomological Society of America 57(2): 00

Berrie, A.D. 1964: Observations on the Life-Cycle of Bulinus (Physopsis) Ugandae Mandahl-Barth, its Ecological relation to Biomphalaria Sudanica Tanganyicensis (Smith), and its Role as an Intermediate Host of Schistosoma. Annals of Tropical Medicine and Parasitology 58: 457-466

Sousa, O.E.; Thatcher, V.E. 1969: Observations on the life-cycle of Echinococcus oligarthrus (Diesing, 1863) in the Republic of Panama. Annals of Tropical Medicine and Parasitology 63(2): 165-175

Pike, A.W. 1968: Observations on the life-cycle of Psilotrema oligoon (Linstow, 1887) Odhner, 1913, and on the larval stages of two other psilostome trematodes. Parasitology 58(1): 171-183

Warren, E.G. 1970: Observations on the life-cycle of Toxocara mackerrasae. Parasitology 60(2): 239-253

Prasad, S.N.; Grover, P. 1966: Observations on the life-cycle of Udumbaria nainiensis Grover. Cecidologia indica. Allahabad 1: 33-40

Bennett, F.D. 1969: Observations on the life-history and mode of parasitism of the Tachinid Pseudochaeta syngamiae Thompson. Technical Bulletin, Commonwealth Institute of Biological Control. 12, 37-41

Manninger, G.A.; Deseo, K.V. 1964: Observations on the life-history of A. aestimatum. Ann. Inst. Prot. Pl. hung, Budapest 9: 211-221

Strangways-Dixon, J. 1967: Observations on the life-history of Alarodia nana (Moschler) (Lep., Limacodidae) in Jamaica and a method for its control on Citrus. Bull. ent. Res, 57: pt. 3, 381-386

Rai, S.L. 1964: Observations on the life-history of Phyllodistomum srivastavai sp. nov. (Trematoda: Gorgoderidae). Parasitology 54(1): 43-51

Lindsay, F.E. 1969: Observations on the loci of ossification in the prenatal and neonatal bovine skeleton. I. The appendicular skeleton. British Veterinary Journal 125(3): 101-111

Lindsay, F.E. 1969: Observations on the loci of ossification in the prenatal and postnatal bovine skeleton. II. The sternum. British Veterinary Journal 125(8): 422-428

Scanlan, R.A.; Lindsay, R.C. 1968: Observations on the low-temperature irradiation of milk. J. Dairy Sci, 51: 12, 1967-68

Batey, T.; Caldwell, T.H.; Cary, P.R.; Et Al. 1966: Observations on the manuring of glasshouse carnations. Expl Hort, 16, 1-11

Misterski, W.; Klupczynski, Z. 1964: Observations on the manuring value of sunflower tops. Pam. Pulawski 14: 67-70

Jahn, E.; Sinreich, A. 1965: Observations on the mass increase of S. salicis in windbreaks in the Seewinkel district of the Burgenland in the years 1962 and 1963. Anz, Schadlingsk, Berlin, 38: pt. 2, 17-23

Hartberg, W.K. 1971: Observations on the mating behaviour of Aedes aegypti in nature. Bulletin of the World Health Organization 45(6): 847-850

O'connor, R. 1968: Observations on the measurement and distribution of Irish farm income. Ir. J. Agric. Econ. Rur. Sociol, Dublin 1(2): 139-54

Crampton, R.F.; Matthews, D.M.; Poisner, R. 1965: Observations on the Mechanism of Absorption of Copper by the small Intestine. Journal of Physiology 178: 111-126

Kuhn, I.N.; Roche, M.; Layrisse, M.; Martinez, C.; Walker, R.B. 1968: Observations on the mechanism of iron absorption. American Journal of Clinical Nutrition 21(10): 1184-1188

Williamson, D.H. 1969: Observations on the mechanism of the cytoplasmic petite mutation in yeast. Heredity 24: 690-91

Tizio, R. 1964: Observations on the mechanism of tuber-formation in the potato. C. r. hebd. Seanc. Acad. Sci, Paris, 259: 12, 2001-4

Feodoroff, A. 1964: Observations on the mechanism of unsaturated flow through an initially dry soil. C.R. Acad. Sci. Paris 259: 4320-4322

Waterlow, J.C.; Alleyne, G.A.O.; Chan, H.; Garrow, J.S.; Hay, A.; James, P.; Picou, D.; Stephen, J.M.L. 1966: Observations on the mechanisms of adaptation to the low protein intakes. Arch LatinoAmerican Nutr 16(2): 175-200

Cummins, L.M. 1966: Observations on the metabolic fate of sodium selenite in the rabbit. Dissertation Abstracts B, The Sciences and Engineering 27: 1768

Barnes, E.W.; Cooke, N.J.; King, A.J.; Passmore, R. 1965: Observations on the metabolism of alcohol in man. British Journal of Nutrition 19(4): 485-489

Carle, P.; Moutous, G. 1965: Observations on the method of feeding on the vine of four species of leafhopper. Ann. Epiphyt 16: 333-54

Penna, R.; Ceretto, F. 1964: Observations on the methods of examination of pathological specimens for salmonella. Annali Fac. Med. vet. Torino 14: 255-263

Eadie, J.M.; Hyldgaard-Jensen, J.; Mann, S.O.; Reid, R.S.; Whitelaw, F.G. 1970: Observations on the microbiology and biochemistry of the rumen in cattle given different quantities of a pelleted barley ration. British Journal of Nutrition 24(1): 157-177

Buttiker, W. 1966: Observations on the migration of adult Lobocraspis griseifusa Hmps. (Noctuidae, Lepid.) in Cambodia. Mitt. Schweiz. ent. Ges, 38: pt. 3-4, 218-222

Kruszynski, J.; Howell, J.M. 1966: Observations on the mineral composition and staining properties of the inclusion bodies of infectious canine hepatitis. Research in Veterinary Science 7(1): 55-60

Briant, A.; Trocme, S. 1964: Observations on the mineral composition of the leaves of fruit trees at the end of the growing season. Plant Analysis and Fertilizer Problems 4: 79-89

Hebert, J.; Kottelanne, E.; Lefevre, G.E.A. 1965: Observations on the mineralization of nitrogen in a bare soil. C.r. hebd. Seanc. Acad. Agric. Fr 51: 852-858

Cozzani, C.; Sisto, A.M.; Tolve, N. 1964: Observations on the mode of action of anilides as herbicides and a test with transplanted eggplants to determine the effectiveness of solan. Not. Mal. Piante, 70/71, 343-59

Broadbent, P. 1969: Observations on the mode of infection of Phytophthora citrophthora in resistant and susceptible citrus roots. Proc 1st int. Citrus Symp, Riverside 3: 1207-10

Saulnier, M.B. 1966: Observations on the moisture content of cheese. Annls Falsif. Expert, chim 59(672): 254-56

Riggott, J.M.; Quarmby, W.B. 1971: Observations on the morbidity problem in machine-reared calves. British Veterinary Journal 127(4): 184-199

Martyniak, A.; Mercik, L. 1968: Observations on the more important wool characters in relation to time of shearing of Polish Longwool sheep in the northern region of Poland. Zeszyty Problemowe Postepow Nauk Rolniczych 81: 165-176

Seemuller, E. 1968: Observations on the morphological and biological differentiation in Fusarium section Sporotrichiella. Mitt. biol. BundAnst. Ld- u. Forstw 127: 1-93. 60

Hsieh, C.M.; Shih, T.H. 1964: Observations on the morphological characteristics of mycorrhizae and mycorrhizal fungi of Casuarina. Sci. Silvae, Peking 9(3): 252-6

Rotov, R.A. 1969: Observations on the morphology and biology of perennial desert plants (in natural habitats and under cultivation). Biologo-morfologicheskie oso-bennosti mnogoletnikh pustynnykh rastenii (v prirode i opyte introduktsii), Moscow: 'Nauka'., 102. Price: 0.35 rouble

Colburn, R.; Asquith, D. 1971: Observations on the morphology and biology of the ladybird beetle Stethorus punctum. Annals of the Entomological Society of America 64(6): 1217-1221

Abdalla, O. 1968: Observations on the morphology and histochemistry of the oviducts of the sheep. Journal of Anatomy 102(Pt 2): 333-344

McLaughlin, J.D.; Burt, M.D. 1970: Observations on the morphology and life cycle of Hymenolepis hopkinsi Schiller 1951 (Cestoda: Cyclophyllidea), a parasite of black ducks (Anas rubripes Brewster). Canadian Journal of Zoology 48(5): 1043-1046

Pearson, J.C. 1968: Observations on the morphology and life-cycle of Paucivitellosus fragilis Coil, Reid & Kuntz, 1965 (Trematoda: Bivesiculidae). Parasitology 58(4): 769-788

Fell, B.F.; Campbell, R.M.; Boyne, R. 1964: Observations on the morphology and nitrogen content of the alimentary canal in breeding hill sheep. Res Vet Sci 5(2): 175-185

Pavgi, M.S. 1966: Observations on the morphology and pathogenic reactions of two races of Puccinia sorghi and their inbred recombinants on a susceptible host. Plant Dis Reporter 50(2): 119-122

Stanley, M.S.M.; Grundmann, A.W. 1965: Observations on the morphology and sexual behaviour of Tribolium confusum (Coleoptera: Tenebrionidae). J. Kans. ent. Soc, Manhattan, Kans. 38(1): 10-18

Waddell, A.H. 1964: Observations on the morphology of Anaplasma centrale. Australian Veterinary J 40(2): 53-54

Klopfer, U.; Klinger, I.; Pipano, E. 1968: Observations on the morphology of Anaplasma marginale in blood films stained with new methylene blue. Refuah Veterinarith 25: 209-211; 253-256

Orphanidis, P.S.; Kalmoukos, P.E. 1970: Observations on the mortality of Saissetia oleae Bern, under the action of non-parasitic factors. (Comparison with the corresponding action of some biotic factors.). Annales de VInstitui Phytopathologique Benaki 9(3): 183-200

Benabadji, M.; Larrouy, G. 1968: Observations on the mosquito fauna of the Hoggar Massif. Bull. Soc. Hist. not. Afr. N, Algiers., 58: 15-21

Coombe, J.B. 1966: Observations on the motility of the small intestine in sheep. Proc. Aust. Soc. Anim. Prod 6: 407-412

Gregson, J.D. 1967: Observations on the movement of fluids in the vicinity of the mouth-parts of naturally feeding Dermacentor andersoni Stiles. Parasitology 57: 1-8

Andre, J. 1971: Observations on the movement of nutrients in the sandy soils of vineyards in state farms of Bacs-Kiskun county. Kertgazdasag 3(3): 29-34

Wajda, L.; Czuber, B. 1971: Observations on the multiplication of Tobacco mosaic virus in Tobacco leaves of different ages. Zeszyty Problemowe Postepow Nauk Rolniczych 115: 101-109

Mukerji, K.G. 1968: Observations on the mutual relationships among soil micro-organisms. J. gen. appl. Microbiol., Tokyo 14(3): 243-250

Mukerji, K.G. 1968: Observations on the mutual relationships soil micro-organisms. J. gen. appl Microbiol, Tokyo 14: 243-250

Davet, P. 1969: Observations on the mycoflora of the root system of some market crops of Lebanon. Revue Mycol 34(1): 62-77

Jayasinghe, L.H.; Tambiah, M.; Tisseverasinghe, A. K. 1969: Observations on the mycorrhizas of Pinus patula and an attempt to culture and identify the fungus. Ceylon For 9(1/2): 15-25

Foster, R.C.; Marks, G.C. 1967: Observations on the mycorrhizas of forest trees. II. The rhizosphere of Pinus radiata D. Don. Aust. J. biol. Sci 20: 915-26

Sawyer, R.T. 1970: Observations on the natural history and behaviour of Erpobdella punctata (Leidy) (Annelida : Hirudinea). Am. Midl. Nat 83(1): 65-80

Ray, S.K. 1967: Observations on the natural predators of the aphid pests in the Ranchi district with special reference to Chilomenes sexmaculata Fabr. Indian Agric, Calcutta, 11: pt. 2, 117-120

Czekalski, M. 1971: Observations on the natural regeneration of some exotic trees and shrubs in Szczecin. Roczn. Dendrol. Polsk. Tow. Bot 25: 147-51

Fushtey, S.G. 1971: Observations on the nature and control of snow mold in turfgrass. Proceedings of the Canadian Phytopathohgical Society, thirty-seventh session, 15

Lennox, A.M.; Lough, A.K.; Garton, G.A. 1968: Observations on the nature and origin of lipids in the small intestine of the sheep. British Journal of Nutrition 22(2): 237-246

Mollin, D.L.; Hines, J.D. 1964: Observations on the nature and pathogenesis of anaemia following partial gastrectomy. Proc. Roy. Soc. Med 57: 575-580

Crittenden, L.B. 1968: Observations on the nature of a genetic cellular resistance to avian tumor viruses. Journal of the National Cancer Institute 41(1): 145-153

Panton, C.A. 1967: Observations on the nature of inheritance of resistance of lucerne to Verticillium albo-atrum. Hereditas 57(3): 333-338

Calislar, T.; St Clair, L.E. 1969: Observations on the navicular bursa and the distal interphalangeal joint cavity of the horse. Journal of the American Veterinary Medical Association 154(4): 410-412

Domurat, K.; Kozlowska, J. 1970: Observations on the nematode fauna of barley. Zesz. probl. Prostep. Nauk roln. 92, 409-412

Inglis, W.G.; Ogden, C.G. 1965: Observations on the nematode genus Citellina: with the description of a new species, Citellina himalensis.. J. Helminth 39(1): 11-18

Howells, R.E. 1969: Observations on the nephridial system of the cestode Moniezia expansa (Rud., 1805). Parasitology 59(2): 449-459

Anderson, R.V. 1966: Observations on the nervous system of Aporcelaimus amphidysis n. sp. (Nematoda: Dorylaimoidea). Canadian Journal of Zoology 44(5): 815-820

Marty, J. 1970: Observations on the nitrate nitrogen content of some forages. Fourrages 43: 57-73

Pijanowski, E.; Wojtowiczowa, M.; Dluzewski, M.; Buszmak, F. 1966: Observations on the nitrogen distribution of milk, its oxidative susceptibility and the oxidative stability of milk fat. XVII Int. Dairy Congr, B: 317-24

Casselton, P.J.; Stacey, J.L. 1969: Observations on the nitrogen metabolism of Prototheca Kruger. New Phytol 68: 731-749

Rudman, D.; Akgun, S.; Galambos, J.T.; McKinney, A.S.; Cullen, A.B.; Gerron, G.G.; Howard, C.H. 1970: Observations on the nitrogen metabolism of patients with portal cirrhosis. American Journal of Clinical Nutrition 23(9): 1203-1211

Norris, D.O. 1969: Observations on the nodulation status of rainforest leguminous species in Amazonia and Guyana. Tropical Agriculture 46(2): 145-151

Blom, E. 1969: Observations on the normal and pathological ultrastructure of the bull sperm. Immunology of spermatozoa and fertilization. Proc. Int. Symp. Varna, Bulgaria Sofia: Bulgarian Academy of Sciences Press, 401-418

Blaha, J. 1968: Observations on the normal fruit set of grapes. Mitt. Klosterneuburg : Ser. A Rebe Wein Obstb. Fruchteverwert 18: 163-67

Blaha, J. 1968: Observations on the normal fruit set of vines. Mitt. Klosterneuburg 18: 163-7

Lange-D.L.Camp, M. 1964: Observations on the nuclei of phytopathogenic fungi. Z. PflKrankh 71(2-3): 89-99

Hrudka, F.; Vrba, K. 1969: Observations on the nucleoplasm of turkey spermatozoa. Zivoc. Vyroba 14: 481-488

Lin Y., Du, Zhen-Wen Zhu, Zhao-Q.Hu, Jia-Q.Nien, Dan-Ti 1964: Observations on the number of larval instars of rae paddy borer, Tryporyza incertulas (Walker). Acta Phytophylacica Sinica 3(3): 275-286

Courot, M.; Ortavant, R.; Richeme, E. 1965: Observations on the number of spermatozoa used in the artificial insemination of cattle. Elevage Insem, 89, 2-4

Halton, D.W. 1967: Observations on the nutrition of digenetic trematodes. Parasitology 57(4): 639-660

Halton, D.W.; Jennings, J.B. 1965: Observations on the nutrition of monogenetic trematodes. Biological Bulletin 129(2): 257-272

Ravise, A. 1972: Observations on the nutrition of strains of P. parasites of tropical crops. Agron. trop 27(3): 309-320

Awachie, J.B.E.; Chubb, J.C. 1964: Observations on the occurrence and distribution of Crepidostomum metoecus (Braun, 1900) in the British Isles. Parasitology 54(4): 13P

Loyttyniemi, K. 1966: Observations on the occurrence in Finland of P. ununguis. Suom. hyont. Aikak 32(1): 52-55

Jacob, M. 1969: Observations on the occurrence of C. stem disease in Rose cultivation under glass. Wiss. Z. Humboldt-Univ, Berl. 18(4): 775-779

Thomas, M.L.H. 1965: Observations on the occurrence of Cercaria patellae Lebour in Patella vulgata L. on the Inner Farne. Trans. nat. Hist. Soc. Northumb 15(3): 140-146

Naumann, K.; Grisebach, E. 1968: Observations on the occurrence of Corticium solani on Wheat in the G.D.R. NachrBl. dt. Pflschutz-dienst., Berl 22(11): 223-225

Schretzenmayr, M. 1969: Observations on the occurrence of Deschampsia flexuosa in old stands and on clear-felled areas. Arch. Forstw 18(5): 555-60

Williams, H.H. 1965: Observations on the Occurrence of Dictyocotyle Coeliaca and Calicotyle Kroyeri (Trematoda: Monogenea). Parasitology 55: 201-207

Arme, C.; Halton, D.W. 1972: Observations on the occurrence of Dididophora merlangi (Trematoda: Monogenea) on the gills of whiting, Gadus merlangus. J. Fish Biol 4(1): 27-32

Daebeler, F.; Kirchner, H.-A. 1965: Observations on the occurrence of Didymella fruit rot in Tomatoes. NachrBl. dt. PflSchutzdienst. Berl, Berlin 19(1): 16-17

Burckhardt, F. 1964: Observations on the occurrence of Hylemya pilipyga on swede. NachrBl. dtsch. PflSchDienst, Stuttgart. 16(6): 86-88

Glazewska, Z. 1968: Observations on the occurrence of P. humuli during 1964-66 in Pulawy. Pam. pulaw., 1968. 31, 263-278

Endemann, W.; Berger, P. 1964: Observations on the occurrence of P. nicotianae in heterotic stands in 1963. Ber. Inst. TabForsch 11(1): 66-70

Endemann, W.; Berger, P. 1964: Observations on the occurrence of Ph. parasitica var. nicotianae in heterotic stands in 1963. Ber. Inst. TabForsch. Dresden. 11: 66-70

Hassan, E. 1971: Observations on the occurrence of Thaumetopoea wilkinsoni in Cyprus. Anz. Schadlingsk 44(10): 155-6

Smeal, M.G. 1968: Observations on the occurrence of Thelazia or eyeworm infection of cattle in northern New South Wales. Australian Veterinary Journal 44(11): 516-521

Stenberg, H. 1966: Observations on the occurrence of acid-fast rod-shaped bacteria in large domestic animals, poultry and game birds. Finsk VetTidskr 72: 331-335

Rycerz, W. 1968: Observations on the occurrence of blood in the vaginal mucus of heifers during the oestrous cycle. Medycyna Weterynaryjna 24: 494-496

Muhle, E.; Frauenstein, K. 1970: Observations on the occurrence of choke disease, E. typhina, on forage grasses. Z. PflKrankh. PflSchutz. 77(4-5): 177-185

Kirch, K.; Jordan, K. 1969: Observations on the occurrence of dead-arm disease. Weinberg u. Keller 16: 253-62

Staib, A.H.; Seebacher, C. 1967: Observations on the occurrence of dermatophytes in laboratory mice. An epidemiological study. Z. Versuchstierk 9(4): 170-179

Frauenstein, K. 1968: Observations on the occurrence of diseases in drug and spice plants of the Umbelliferae in the years 1964-1966. Pharmazie 23: 78-82

Glazewska, Z. 1968: Observations on the occurrence of downy mildew of hops, Ps. humuli (Miy. et Takah.) Wils. in the years 1964-66 at Pulawy. Pam. pulawski. 31: 263-78

Ben-David, B. 1964: Observations on the occurrence of first oestrus, second oestrus and anoestrus following parturition in dairy cattle in the Yezre'el Valley. Refuah Veterinarith 21(189): 236-224

Golebiowska, Z.; Romankow, W. 1964: Observations on the occurrence of gall-midges on meadow foxtail (A. pratensis) in Poland in the years 1963-64. Polskie Pismo Entomologiczne 34(3-4): 265-270

Novak, D. 1969: Observations on the occurrence of infected mosquito larvae in southern Moravia. Z. Tropenmed. Parasit, 20: pt. 2, 229-231

Burzynski, J. 1969: Observations on the occurrence of insect pests in fertilized young plantations on dunes. Transl. Dep. Fish. For. Can, OOFF-26, 16

Adlung, K.G. 1964: Observations on the occurrence of lucerne pests and their parasites. Gesunde Pftanzen, Frankfurt a. M., 16: pt. 7, 136-140

Ajinkya, S.M.; Sardeshpande, P.D. 1969: Observations on the occurrence of neoplasms in the domestic birds. Indian Veterinary Journal 46(5): 380-385

Golanski. K 1967: Observations on the occurrence of pests ot white mulberry (M. alba) in Poland. Polskie Pismo Entomologiczne 37(1): 193-399

Macfarlane, J.S.; Worrall, K. 1970: Observations on the occurrence of puberty in. Bos indicus heifers. E. Afr. agric. For. J 35: 409-410

Chubb, J.C. 1964: Observations on the Occurrence of the Plerocercoids of Triaenophorus Nodulosus (Pallas, 1781) (Cestoda: Pseudophyllidea) in the Perch Perca Fluviatilis L. Of Llyn Tegid (Bala Lake), Merionethshire. Parasitology 54: 481-491

Janke, C. 1968: Observations on the occurrence of the saddle gall-midge (H. marginata) on cereals, depending on the preceding crop. Nachrbl. dt. PflSchutzdienst, Berl., 22: pt. 12, 244-246

Krexner, R. 1965: Observations on the occurrence of true mildew. Pftanzenschutzberichte 33(3-4): 41-56

Mettricr, D.F.; Dunrley, L.C. 1968: Observations on the occurrence, growth, and morphological variation of the trematode, Mesocoelium danforthi Hoffman, 1935, in Jamaica. Caribb. J. Sci 8(1/2): 71-94

Wishart, D.F. 1972: Observations on the oestrous cycle of the Friesian heifer. Veterinary Record 90(21): 595-597

Hutchinson, J.S.M.; O'connor, P.J.; Robertson, H.A. 1964: Observations on the onset of the breeding season and on the oestrous cycle of the Welsh Mountain ewe. J Agr Sci 63(1): 59-60

Bolhuis, G.G.; Frinking, H.D.; Leeuwangh, J.; Rens, R.G.; Staritsky, G. 1965: Observations on the opening of flowers, dehiscense of anthers and growth of pollen tubes in Arachis hypogaea L. Netherlands Journal of Agricultural Science 13(4): 361-365

Bunting, B.T.; Hathout, S.A. 1970: Observations on the organic matter associated with the surface organic layers of arctic polygons. Geografiska Annaler Series A: Physical Geography

Benz, G.W.; Todd, A.C. 1969: Observations on the organization of nematode developmental stages present in some natural and experimental infections. Transactions of the American Microscopical Society 88(1): 89-94

Barraclough, R.M.; French, N. 1965: Observations on the orientation of Aphelenchoides ritzemabosi (Schwartz). Nematologica 11(2): 199-206

Rutherford, G.K. 1964: Observations on the origin of a cutan in the yellow-brown soils of the highlands of New Guinea. "Soil Micromorphology" Proc. II int. WkMtg Soil Microbiol. Arnhem, 237-240

Deidda, P. 1968: Observations on the origin of adventitious roots in almond cuttings. Studi sassar., Sez. Ill 16: 495-500

Fletcher, K. 1966: Observations on the origin of liver fat in infantile malnutrition. American Journal of Clinical Nutrition 19(3): 170-174

Ozdzenski, W. 1967: Observations on the origin of primordial germ cells in the mouse. Zoologica Pol 17: 367-379

Bliss, M., J.; Kearby, W.H. 1971: Observations on the oviposition sites and laboratory development of the fundatrix and virginopara of the aphid Eulachnus agilis. Annals of the Entomological Society of America 64(6): 1407-1410

Rajagopal, P.K. 1968: Observations on the oxygen consumption of tsetse larvae (Glossina morsitans). Rhod. J. agrie. Res, Salisbury 6(1): 60-61

Hayes, A.J. 1967: Observations on the palaeo-ecology of the Black Wood of Rannoch. Scot. For 21(3): 153-62

Fabbri, R. 1969: Observations on the partial castration of pigs by Baiburtcjan's method. II. Atti Soc. ital. Sci. vet., 1969. 22: 390-393

Hartmann, C. 1969: Observations on the participations of the pentose phosphate cycle in the glucidic catabolism of certain fruits. Qual. Plant. Mater. veg 19: 67-77

Tewari, H.C.; Dutt, S.C.; Iyer, P.K.R. 1966: Observations on the patho-genicity of experimental infection of Schistosoma incognitum Chandler (1926) in dogs. Indian J. vet. Sci 36(4): 227-231

Mazzucchi, U. 1968: Observations on the pathogenic activity of Cytospora on peach. Inf. fitopat 18: 147-8

Kardevan, A.; Palyusik, M. 1967: Observations on the pathogenic effect of A. flavus on Geese. Acta vet. hung 17(3): 301-310

Farleigh, E.A. 1966: Observations on the pathogenic effects of Trichuris ovis in sheep under drought conditions. Australian Veterinary Journal 42(12): 462-463

Bilbie, V.; Vladescu, A.L.ondari, V. 1970: Observations on the pathogenic significance of C. isolated from the mouth. Archives Roumaines de Pathologie Exprimentale et de Microbiologie 29(4): 643-647

Deorani, V.P.S. 1967: Observations on the pathogenicity of D. filaria infection and report on treatment trials with 'Dictycide'-cyanacethydrazide. Indian J. vet. Sci 37(1): 39-46

Lee, L. y.-S.; Lee, L. 1969: Observations on the pathogerdcity of some strains of Guignardia citricarpa on Ponkan fruits. Nung-yeh Yen-chiu/J. Taiwan agric. Res 18(2): 45-50

Peneyra, R.S.; Masanga, I.C. 1967: Observations on the pathologic effects of experimental toad poisoning in dogs. Philipp. J. vet. Med 5: 70-78

Brass, K. 1969: Observations on the pathological anatomy, paithogenesis, and evolution of S. American blastomycosis. Mycopath. Mycol. appl 37(2): 119-138

Rogers, R.J. 1971: Observations on the pathology of babesia argentina infections in cattle. Australian Veterinary Journal 47(6): 242-247

Tremlett, J.G. 1964: Observations on the Pathology of Lesions Associated with Stephanofilaria Dinniki Round, 1964 from the Black Rhinoceros (Diceros Bicornis). Journal of Helminthology 38: 171-174

Arora, R.G.; Iyer, P.K.R. 1968: Observations on the pathology of ovine and caprine livers infested with Schistosoma indicum Montgomery (1906). Indian J. Anim. Hlth 7(1): 67-74

Geoffrion, R. 1971: Observations on the pear phylloxera in the orchards of the west. Phytoma 23(226): 17-26

Devi, P.R.; Rao, K.H. 1968: Observations on the penetration gland in the oncosphere of Oochoristica indica Misra (Cestoda: Cyclophyllidea). Current Science 37(8): 234-325

A.A.Qureshi, O.T.Page 1969: Observations on the perfect stages of Fusarium oxysporum and Fusarium solani. Proc. Can. phytopath. Soc, 36: 18

Bishop, R.F.; Craig, D.L.; Maceachern, C.R. 1970: Observations on the performance of grape cultivars in Nova Scotia. HortScience 5: 154-156

Succi, G.; Castrovilli, C. 1969: Observations on the performance of mink of various colours on an Italian breeding farm. Atti Soc. ital. Sci. vet., 1969. 22: 402-405

Capulong, T.M.; Agcanas, P.B. 1967: Observations on the performance of the Arbor Acres White Rocks. Philipp. J. Anim. Ind, 22: 1961, 67-70

Capulong, T.M.; Agcanas, P.B. 1967: Observations on the performance of the Nichols 108 chickens. Philipp. J. Anim. Ind, 22: 1961, 143-145

Capulong, T.M.; Agcanas, P.B. 1967: Observations on the performance of the Vantress chickens. Philipp. J. Anim. Ind, 22: 1961, 139-141

Deutscher, G.H.; Whiteman, J.V.; Webb, F.W. 1970: Observations on the performance of two-year-old Holstein-Angus crossbreds as compared to grade Angus heifers. Misc. Pubis Okla. agric. Exp. Stn, M.P. 84, 14-23

Baldry, D.A. 1970: Observations on the peri-domestic breeding behaviour and resting sites of Glossina tachinoides Westw. near Nsukka, East Central State, Nigeria. Bulletin of Entomological Research 59(4): 585-593

Constantinesco Constantinescu], D.G.; Retezeanu, M.; Oteleanu, R.; Constantinesco Constantinescu], M. 1964: Observations on the permanency of argentophilic nucleolar material during mitosis in roots of A. cepa L. CR Acad. Sci, Paris 259: 857-60

Ewing, S.A. 1965: Observations on the Persistence and Recurrence of Babesia Canis Infections in Dogs. Veterinary Medicine Small Animal Clinician: Vm Sac 60: 741-744

Ingram, W.R. 1969: Observations on the pest status of bean flower thrips in Uganda. E. Afr. agric. For. J 34(4): 482-484

Hannothiaux, M. 1965: Observations on the pests of forage crops in Tunisia. Bull. Ec. sup. Agric. Tunis, 8-9, 231-245

Yamamoto, M. 1970: Observations on the phenomenon of hypersensitivity to Phytophthora infestans by labelling with a fluorescent white dye. Annals of the Phytopathological Society of Japan (Nihon Shokubutsubyori Gakkai Ho) 36(4): 283-285

Hollomon, D.W. 1967: Observations on the phylloplane flora of potatoes. Eur Potato J 10(1): 53-61

Chippendale, G.M. 1971: Observations on the physical and chemical composition of diets for the Angoumois grain moth. Journal of Insect Physiology 17(7): 1257-1266

Liu Tuo. 1965: Observations on the physiological age of Culex pipiens pallens Coquillett, and Aedes albopictus Skuse. Acta ent. sin, Peking 14(2): 179-185

Ikeuchi, M. 1970: Observations on the physiological age of Culex tritaeniorhynchus collected by light-traps. Japanese Journal of Sanitary Zoology 21(4): 209-212

Jilani, M.B.; Malik, M.M.S. 1967: Observations on the physiological behaviour of Tolyposporium ehrenbergii (Kuhn) Pat. W. Pakist. Jnl agrie. Res, Agrie. Coll., Tandojam. 5(4): 66-73

Rouchanzamir-Hedjazi, M. 1968: Observations on the physiological modifications caused by Tobacco mosaic virus in normal and tumorous tissues of Tobacco cultured in vitro. Revue gen. Bot 75: 886-887, 117-227

Eifrig, H. 1967: Observations on the physiology of germination of seeds of Poa pratensis, which have been freshly harvested or stored under various conditions. Landwirt Forsch 20(1): 28-39

Shipton, P.J. 1969: Observations on the phytotoxicity and other effects of fungicides used on Black Currants. Pl. Path 18(3): 133-137

Ellenby, C.; Smith, L. 1968: Observations on the piezoelectric properties of nematode cuticle. Comp Biochem Physiol 26(1): 359-363

Usseglio-Tomasset, L. 1966: Observations on the pigment transferred to the fermentation substratum by a strain of S. pombe. Riv. Vitic 19: 454-58

Reiter, R.J.; Klein, D.C. 1971: Observations on the pineal gland, the Harderian glands, the retina, and the reproductive organs of adult female rats exposed to continuous light. Journal of Endocrinology 51(1): 117-125

Harter, D.H. 1969: Observations on the plaque assay of visna virus. Journal of General Virology 5(1): 157-160

Palmer-Jones, T.; Forster, I.W.; Clinch, P.G. 1966: Observations on the pollination of Montgomery red clover (Trifolium pratense L.). N.Z. Jl agric. Res 9(3): 738-47

Palmer-Jones, T.; Clinch, P.G. 1967: Observations on the pollination of apple trees (Malus sylvestris Mill.) II. Varieties Granny Smith, Sturmer, Jonathan, and Cox's Orange Pippin. N. Z. J. agric. Res 10: 143-9

Palmer-Jones, T.; Clinch, P.G. 1966: Observations on the pollination of apple trees (Malus sylvestris Mill.). I. Variety Cox's Orange Pippin. N.Z. J. Agric. Res 9: 191-6

Palmer-Jones, T.; Clinch, P.G. 1968: Observations on the pollination of apple trees (Malus sylvestris Mill.). III. Varieties Granny Smith, Kidd's Orange Red, and Golden Delicious. N.Z. J. agric. Res 11: 149-54

Palmer-Jones, T.; Forster, I.W. 1965: Observations on the pollination of lucerne (Medicago sativa Linn.). NZ J. agric. Res 8: 340-49

Branzanti, E.C. 1964: Observations on the pollination of the pear variety Abate Fetel. Riv. Ortoflorofruttic. ital. 48: 424-7

Dmoch, J. 1968: Observations on the population dynamics and injuriousness of the false-flax Curculionid (Ceutorhynchus syrites). Roczn. Nauk roln, 93 (A): pt. 4, 633-654

Scheurer, S. 1967: Observations on the population dynamics of Pine lachnids during 1965. Wald-hygiene 7(1): 7-22

Ravelojaona, G. 1970: Observations on the population dynamics of Trichispa sericea Guerin, Coleoptera Hisptnae injurious to rice in Madagascar. Comptes Rendus des Seances de la Societe de Biologie et de ses Filiales 164(2): 474-476

Davies, J.B.; Martinez, R. 1970: Observations on the population dynamics, behavior and maintenance of a laboratory colony of Culex (Melanoconion) portesi Senevet and Abonnenc, 1941 (Diptera: Culicidae). Journal of Medical Entomology 7(2): 179-188

Araujo, J.B.M.; Mamprim, O.A.; Figueiredo, P. 1966: Observations on the possibility of eradicating weeds in coffee nurseries with herbicides. Anais VI Semin. bras, Herbicidas, 169-76

Koehler, W.; Kolk, A. 1968: Observations on the possibility of increasing the effectiveness of parasitic insects by feeding their imago stages. Prace Inst. Bad. Lesn, 355/357, 141-53

Blas, B.L.; Capistrano, I.M. 1969: Observations on the possible development of resistance to reinfection in oriental schistosomiasis among experimental animals. J. Philipp. med. Ass 45(12): 723-728

Connan, R.M. 1966: Observations on the post-parturient rise in faecal nematode egg counts of ewes in East Anglia. Parasitology 56: 9P

Connan, R.M. 1967: Observations on the post-parturient rise in the faecal nematode egg count of ewes. Veterinary Record 80(13): 401-405

Tubertini, R. 1967: Observations on the potato varieties Primura and Radosa. Sementi elette 13(1): 45-6

Kernohan, E.A. 1968: Observations on the practical use of the Rapid Mastitis Test. Aust. J. Dairy Technol 23(3): 129-30

Fraser, A.F. 1964: Observations on the pre-coital behaviour of the male goat. Anim. Behav 12: 31-33

Pellegrino, J.; de Maria, M.; de Moura, M.F. 1966: Observations on the predatory activity of Lebistes reticulatus (Peters, 1859) on cercariae of Schistosoma mansoni. American Journal of Tropical Medicine and Hygiene 15(3): 337-341

Phillips, T.O. 1967: Observations on the prediction of lambing dates. Proc. N.Z. Soc. Anim. Prod 27: 49-51

Dumag, P.U.; Reyes, P.V.; Castillo, A.M. 1968: Observations on the premunition of Santa Gertrudis cattle against Piroplasma spp. and Ana-plasma marginale. Philipp. J. Anim. Ind, 23 (1962): 1-20

D.D.nato, M.; Garibaldi Accati, E. 1966: Observations on the preparation and forcing of flowering branches of forsythia. Atti Conv. naz. Forz. Floric. Sett. off., Genova, 1966. 27-35

Marini-Bettolo, G.B.; Galeffi, C.; Carpi, A. 1967: Observations on the preparation of indigenous curare. Annali Dell'istituto Superiore di Sanita 3(3): 378-385

Sarwar, M.; Campbell, B.; Petersen, W.E. 1964: Observations on the Presence and Concentration of Natural Antibodies in Colostrum. Canadian Journal of Comparative Medicine and Veterinary Science 28(7): 157-160

Banerjee, D.K.; Chatterjea, J.B. 1966: Observations on the presence of pteroyl polyglutamates in human serum. Blood 28(6): 913-917

Langpap, T.J.; Matisheck, P.H. 1970: Observations on the prevalence of avian Pasteurella multocida serotypes. Avian Diseases 14(3): 491-493

Dvornic, V. 1967: Observations on the principal biotypes of some grapevine varieties. Rev. Hort. Viticult, Bucuresti 16(10): 29-33

Saiga, S.; Goto, K. 1970: Observations on the principal characters of orchard grass under grazing and ungrazed conditions. Research Bulletin of the Hokkaido National Agricultural Experimental Station (Hokkaido Nogyo Shikenjo Hokoku), 97, 92-98

Wagner, F. 1969: Observations on the problem of Maize blister smut (U. maydis). Gesunde Pfl 21(9): 165-166

Weiling, F. 1965: Observations on the problem of cytomixis and its possible relation to potocytosis, using the light and electron microscopes. Investigations on Cucurbita species and Lycopersicon esculentum. Planta 67: 182-212

Kolpikov, D.I. 1964: Observations on the process of active non-stomatal gas and water exchange in higher plants. Fiziol. Rast 11: 735-7

Kljuev, V.V.; Rombe, S.M. 1966: Observations on the process of ovulation in mares by means of an ovarian fistula. Veterinariia (2): 99-101

Gulati, B.C.; Duhan, S.P.S.; Bhattacharya, A.K. 1968: Observations on the production of Eucalyptus citriodora oil. Perfum. essent. Oil Rec 59: 266-71

Marocke, R. 1967: Observations on the production of dry matter and the uptake of nutrients by different hop varieties during 1964 and 1965. Hopfen-Rundschau. 18(180): 182-6

Rigitano, O. 1969: Observations on the production of peaches for processing in Sao Paulo compared with that of Rio Grande do Sul. Agronomico, Campinas. 21(1/2): 3-8

Cotea, V.D.; Gotea, V. 1967: Observations on the productive capacity of some vine varieties for the table in conditions of the Copou-Iasi vineyard. Lucrar, sti. Inst. agron. Ion lonescu de la Brad, lasi, 1967. 235-40

Tolhurst, J.A.H. 1964: Observations on the progress of certain manurial trials on St. Coombs. Tea Quart 35: 57-60

Panje, R.R. 1970: Observations on the propagation and commercial application of the new sugarcane planting method 86206. Indian Sugar 19: 693-6

Avery, T.L. 1968: Observations on the propagation of Chinese hamsters. Laboratory Animal Care 18(2): 151-159

Falaschi, R.; Loreti, F. 1969: Observations on the propagation of hazel from hardwood cuttings using bottom heat. Riv. Ortoflorofruttic. ital 53: 617-23

Squillaci, A. 1965: Observations on the propagation of sour orange. Atti Giorn. Stud. Prop. Spec. legn, Pisa, 289-95

Seidel, H. 1966: Observations on the prophylaxis of grass tetany with special reference to preparations before putting cattle out to pasture. Mh. VetMed 21: 253-256

Ultterlinden, L. 1971: Observations on the pruning of pears. Fruitteelt 61: 10-11

Kay, J.M.; Heath, D. 1966: Observations on the pulmonary arteries and heart weight of rats fed on Crotalaria spectabilis seeds. Journal of Pathology and Bacteriology 92(2): 385-394

Anderson, D.M. 1968: Observations on the pupae of Anthonomus grandis grandis Boheman and A. grandis thurberiae Pierce (Coleoptera: Curculionidae). Annals of the Entomological Society of America 61(1): 125-129

Fatzinger, C.W.; Asher, W.C. 1971: Observations on the pupation and emergence behavior of Dioryctria abietella (Lepidoptera : Pyralidae (Phycitinae) ). Annals of the Entomological Society of America 64(2): 413-418

Ashman, F. 1964: Observations on the quality of stored cottonseed in Kenya. Trop Sci 6(2): 91-95

Ladetto, G.; Gallo, M.L.; Mandrino, F. 1967: Observations on the quantitative determination of RNA and DNA in mammary gland tissue of Piedmont cows. Preliminary communication. Atti Soc. ital. Sci. vet 21: 488-91

Winnigstedt, R. 1966: Observations on the questions involved in the breeding policy for Black Pied and Red Pied cattle. The Rhine-land as the example. Tierzuchter 18: 236-238

Van 't Klooster, A.T.; Rogers, P.A.M.; Sharma, H.R. 1969: Observations on the rate of flow of digesta through the duodenum of sheep and on the recovery of polyethylene glycol and chromium sesquioxide from duodenal contents. Netherlands Journal of Agricultural Science 17: 60-70

Pinto Dias, J.C. 1965: Observations on the reaction of Brazilian Triatomines to fasting, in the laboratory. Revta bras. Malar. Doenc. trop 17(1): 55-63

Diaz, O.H. 1965: Observations on the reaction of bull spermatozoa to the Feulgen reaction. Deutsche Tierärztliche Wochenschrift 72: 447-450

Bruckbauer, H. 1969: Observations on the reaction of vines to the use of the soil disinfectant Shell DD. Weinberg u. Keller 16: 65-70

Baldasserini, G. 1968: Observations on the recurrent fermentation of lactose shown by "Bacillus" columbensis. Journal of Tropical Medicine and Hygiene 71(12): 299-301

Woodrow, D.F. 1965: Observations on the red locust (Nomadacris septemfasciata Serv.) in the Rukwa Valley, Tanganyika, during its breeding season. J. Anim. Ecol, Oxford 34(1): 187-200

Stanhill, G. 1965: Observations on the reduction of soil temperature. Agr Meteorol 2(3): 197-203

George, K. 1968: Observations on the regeneration of plastids. Current Science 37: 18

Heaton, F.W.; Hodgkinson, A.; Rose, G.A. 1964: Observations on the relation between Calcium and Magnesium Metabolism in Man. Clinical Science 27: 31-40

Krishnamurthy, K. 1967: Observations on the relation of tillering to nitrogen levels in finger millet (Eleusine coracana, Gaertn.). Mysore J. agric. Sci 1(1): 37-43

Franzos, G. 1969: Observations on the relationship between fertility and butter fat percentage in three dairy herds. Refuah Veterinarith 26: 90-94

Storms, J.J.H. 1969: Observations on the relationship between mineral nutrition of apple rootstocks in gravel culture and the reproduction rate of Tetranychus urticae (Acarina: Tetranychidae). Entomologia exp. appl, 12: pt. 3, 297-311

Bowyer, J.W.; Atherton, J.G. 1970: Observations on the relationship between mycoplasma-like bodies and host cells of Legume little leaf-diseased plants. Aust. J. biol. Sci 23(1): 115-125

Franzos, G. 1970: Observations on the relationship between overfeeding and the incidence of metritis in cows after normal parturition. Refuah Veterinarith 27: 148-127

Lachover, D.; Arnon, I. 1968: Observations on the relationship between pronounced potassium deficiency and poor quality of certain cultivated crops. Potass. Symp., 1968. 439-464

Cojocaru, C.; Simon, S.; Borcean, I. 1968: Observations on the relationship between stoma size and number and the maize plant's liability to shrivelling. Lucrari stiintifice - Institutul Agronomic Timisoara. Seria Agronomie 11: 239-252

Combeau, A.; Quantin, P. 1964: Observations on the relationship between structural stability and organic matter in some Central African soils. ORSTOM Cahiers Pedol 2: 3-12

Marcuzzi, G. 1964: Observations on the relationship between the Tenebrionid fauna and soil. Pedobiologia 4: 210-219

Hance, R.J. 1965: Observations on the relationship between the adsorption of diuron and the nature of the adsorbent. Weed Res 5(2): 108-114

Danieli, Y. 1968: Observations on the relationship between vitamin A and reproductive disorders in a dairy herd. Refuah Veterinarith 25: 33-36

Galvano, G. 1968: Observations on the relationship of egg weight and quality with body weight and age of hens. Avicoltura 37(2): 71-82

Fawcett, D.W.; Phillips, D.M. 1969: Observations on the release of spermatozoa and on changes in the head during passage through the epididymis. Biology of reproduction in mammals. Proc. Symp. Soc. Study Fert., Nairobi, J. Reprod. Fert, 1969. Suppl 6, 405-418

Karnatz, A. 1968: Observations on the repeated culture of strawberries. Erwerbsobstbau 10: 121-4

Pawelska-Kozinska, K. 1971: Observations on the reproduction of aphids, Myzodes persicae Sulz., on plants of the genus Beta, section Corollinae. Biuletyn Instyfutu Hodowli i Aklimatyzacji Roalin 6, 121-122

Symington, R.B.; Oliver, J. 1966: Observations on the reproductive activity of tropical sheep in relation to the photoperiod. J Agr Sci 67(1): 7-12

Bloch, S. 1970: Observations on the reproductive capacity of juvenile female mice. Experientia 26(7): 792-793

Gubler, D.J.; Bhattacharya, N.C. 1971: Observations on the reproductive history of Aedes (Stegomyia) albopictusin the laboratory. Mosquito News 31(3): 356-359

Tabarelli Neto, J.F.; Moraes Barros, H.; Buzutti, O.; Reiner, U.R. 1967: Observations on the reproductive pattern of zebu cattle raised in range conditions in the state of Sao Paulo, Brazil. I. Annual incidence of calvings and conceptions-sex ratio. Proc 5th Pan-Am. Congr. Vet. med. Zootech, Venezuela 1: 394-405

Moraes Barros, H.; Bizutti, O.; Reiner, U.R.; Tabarelli Neto, J.F. 1967: Observations on the reproductive pattern of zebu cattle raised in range conditions in the state of Sao Paulo, Brazil. II. Some observations on the calving intervals. Proc 5th Pan-Am. Congr. Vet. med. Zootech, Venezuela 1: 406-409

Dominic, C.J. 1966: Observations on the reproductive pheromones of mice. I. Source. J. Reprod. Fert 11: 407-414

Hughes, J.D.; Searle, P.G.E. 1964: Observations on the residual value of accumulated phosphorus in a red loam. Australian J Agr Res 15(3): 377-383

Liu, Wi-Teh Liu, Chin-F.W.Nen Chu, Dai-Pau Lee Cm. 1964: Observations on the resistance and its declination of the larvae of Culex fatigans Wied. in 1960-1963 to DDT and BHC from some districts of China. Ann. ent. sin, Peking 13(6): 844-850

Bonnemaison, L. 1969: Observations on the resistance of M. persicae to several aphicides. Phytiat. Phytopharm 17(2): 89-103

Siwecki, R. 1968: Observations on the resistance of Poplar hybrids from section Leuce Duby, to infection by Venturia tremulae Aderh. Arboretum Kornickie, Poznan. 13: 275-85

Stephen, L.E. 1966: Observations on the resistance of West African N'dama and Zebu cattle to trypanosomiasis following challenge by wild Glossina morsitans from an early age. Annals of Tropical Medicine and Parasitology 60(2): 230-246

Cruz, B.P.B.; Et Al. 1965: Observations on the resistance of some Cotton varieties to angular leaf spot disease. Archos Inst. biol., S. Paulo 32(3): 45-51

Bastos Cruz, B.P.; Silveira, A.P.; Abrahao, J.; Silveira, S.G.P. 1965: Observations on the resistance of some cotton varieties to attack by angular leaf spot, X. malvacearum (E. F. Sm.) Dow. Arq. Inst. biol, S. Paulo 32: 45-51

Lavallee, E. 1967: Observations on the resistance of some table cucumber varieties to scab, Cladosporium cucumerinum. Phytoprotection 48: 1-3

Bazzocchi, R., E.Al. 1968: Observations on the resistance of strawberry varieties to spring frosts. Riv. Ortoflorofruttic. ital 52: 394-400

Fantechi, F.; Lorito, N. 1964: Observations on the resistance to P. tabacina of some resistant hybrids and Italian cultivars. Preliminary note. Tabacco. Roma 68: 241-58

Soria V.; J.; Esquivel, O. 1968: Observations on the resistance to Phytophthora, Ceratocystis, flower gall and die back of cacao in Gosta Rica. Cacao, Turrialba 13(3): 11-13

Lav Allee, E. 1967: Observations on the resistance to scab, C. cucumerinum Ell. et Art., of some cucumber table varieties. Phytoprotection 48(1): 1-3

Taylor, M.G.; Denham, D.A.; Nelson, G.S. 1971: Observations on the resistance to schistosome infection of neonatal mice born to immune mothers with a demonstration of increased resistance in lactating mice. Journal of Helminthology 45(2): 223-228

Hernandes Medina, E.; Lugo Lopez, M.A. 1967: Observations on the response of Gros Michel banana plants in sand cultures to different proportions of various cations and anions. J. Agric. Univ. P.R 51: 309-15

Mcinnes, P.; Roberts, B.C.; Finlayson, P.M.; Russel, J.V. 1968: Observations on the response of Merino weaners to a fodder supplement, a feeding block, and cobalt and selenium treatments. Austral. J. Exp. Agric. Animal Husb 8: 405-408

Rupollo, W.; Pannunzio Filho, M.; Silveira, O.A.D.P.reira, L.C.; Elias, A. 1970: Observations on the results of the use of an antimycotic in aerosol form in superficial mycoses. Hospital (Rio de Janeiro) 77(1): 335-342

Damigella, P.; Maccarrone, A. 1966: Observations on the ripening of mandarin and clementine fruits in relation to cultural practices. Teen. agric 18: 135-57

Gehweiler, J.A.; Capp, M.P.; Chick, E.W. 1970: Observations on the roentgen patterns in blastomycosis of bone. A review of cases from the Blastomycosis Cooperative Study of the Veterans Administration and Duke University Medical Center. American Journal of Roentgenology, Radium Therapy, and Nuclear Medicine 108(3): 497-510

Bennett, F.D. 1965: Observations on the role of Clastopteromyia spp. inhabitants of spittle-masses of Clastoptera spp. in the West Indies. Commonwealth Inst Biol Contr Tech Bull 5: 98-100

Crystal, M.M. 1964: Observations on the role of light, temperature, age, and sex in the response of screw-worm flies to attractants. J Econ Entomol 57(3): 324-325

Ash, L.R. 1967: Observations on the role of molluscs and other invertebrates in the transmission of Angiostrongylus cantonensis infection to man in New Caledonia. Seminar on Helminthiases and Eosinophilic Meningitis, Noumea, New Caledonia, June 5-16 Noumea: South Pacific Commission., 13, 9

Lemaire, F. 1966: Observations on the root development of apple trees on a silt soil in the Paris region. C.R. Acad. Agric. Fr 52: 346-55

Giordano, E. 1967: Observations on the root system of Eucalyptus globulus. Proc 14th Congr. Int. Union For. Res. Organ., Munich Pt. IV, Sect 23, 1967. 207-24

Lemaire, F. 1966: Observations on the root system of apple trees in a loam soil of the Paris region. C.r hebd. Seanc. Acad. Agric. Fr 52: 346-355

Barbier, M. 1964: Observations on the rot of Pineapple shoots in Martinique. Fruits d'outre-mer 19(7): 405-408

Ricci, P. 1972: Observations on the rot of fresh Figs after harvest. Annls Phytopath 4(2): 109-117

Smyth, J.D. 1964: Observations on the scolex of Echinococcus granulosus, with special reference to the occurrence and cytochemistry of secretory ceDs hi the rosteflum. Parasitology 54: 515-526

Smyth, J.D. 1964: Observations on the Scolex of Echinococcus Granulosus, with Special Reference to the Occurrence and Cytochemistry of Secretory cells in the Rostellum. Parasitology 54: 515-526

Heal, O.W. 1964: Observations on the seasonal and spatial distribution of Testacea (Protozoa : Rhizopoda) in Sphagnum. J. Anim. Ecol 33: 395-412

Tedla, S.; Fernando, C.H. 1969: Observations on the seasonal changes of the parasite fauna of yellow perch (Perca flavescens) from the Bay of Quinte, Lake Ontario. J. Fish. Res. Bd Can 26(4): 833-843

Bruneau, D.Mire, P. 1970: Observations on the seasonal fluctuations in a population of S. singularis in Cameroun. Cafe Cacao The, Paris 14(3): 202-208

Phipps, J. 1970: Observations on the seasonal occurrence and egg production of the grasshopper Chorthippus curtipennis Harris (Insecta: Orthoptera) in Newfoundland. Can. J. Zool 48(5): 1140-1142

Araujo, P. 1971: Observations on the second moult of larvae of ascarid parasites of snakes. Annales de Parasitologie Humaine et Comparee. Dept. of Parasitology, Inst. of Biomedical Sciences, Univ. of S9o Paulo, Brazil. 46(5): 605-611

Formanowiczowa, H.; Kozlowski, J. 1965: Observations on the seed testing of certain medicinal plants. Proc. int. Seed Test. Ass 30: 743-8

Maller, O.; Kare, M.R. 1967: Observations on the sense of taste in the armadillo (Dasypus novemcinctus). Animal Behaviour 15(1): 8-10

Hirth, L.; Lebeurier, G Enevieve. 1965: Observations on the sensitivity of Tobacco tissue culture cells to infection by Tobacco mosaic virus or its ribonucleic acid. Rev. gen. Bot 72(848): 5-20

Egger, E. 1971: Observations on the separation index and the bruising index of Venetian grape varieties with a view to total mechanization of the vintage. Rivista di Viticultura e di Enologia 24(11): 429-446

Russell, G.E. 1966: Observations on the settling behaviour of aphids on sugar-beet plants in the glasshouse. J Agr Sci 67(3): 405-410

Joubert, D.M.; Louw, D.F.J. 1964: Observations on the sex behaviour of Dorper and Dohne Merino ewes. Proc 8. Afr. Soc. Anim. Prod 3: 139-145

Marx, D.; Wettke, K. 1965: Observations on the sexual behaviour of primary specific pathogen-free pigs. Preliminary communication. Tierarztl. Umsch 20: 313-317

Merino, M.G. 1969: Observations on the sexual behaviour of the cereal-leaf beetle, O. mehutopus. Turrialba 19(3): 355-358

Kaczmarczyk, J. 1964: Observations on the sexual cycle of sows with special reference to cytological changes in the genital tract. Acta agrar. silvest., Ser. zootech, Krakow., 4: 21-47

Brasier, C.M. 1972: Observations on the sexual mechanism in Phytophthora palmi-vora and related species. Transactions of the British Mycological Society 58(2): 237-251

Ravise, A. 1966: Observations on the sexual reproduction of P. palmivora strains parasitic on tropical crops. Cah. O.R.S.T.O.M 2: 91-101

Misra, B.; Panda, S.N. 1964: Observations on the significance of positive brucella reaction in fowl sera. Indian Veterinary Journal 41: 181-185

Bakels, F.; Meyer, J.; Buchegger, O. 1967: Observations on the similarity of related individuals. Arb. Inst. Tierzucht, 7, 10-29

Harinasuta, C.; Charoenlarp, P.; Guptavanij, P.; Sucharit, S.; Deesin, T.; Surathin, K.; Vutikes, S. 1970: Observations on the six year results of the pilot project for the control of Malayan filariasis in Thailand. Southeast Asian Journal of Tropical Medicine and Public Health 1(2): 205-211

Bergamini, A.; Giulivo, C. 1969: Observations on the size and colour of the fruit in relation to their position in the canopy of goblet- and palmette-trained apple trees, cv. Jonathan. Giorn. Stud. Potatura degli Alberi da Frutto 1969. 37-49

Olds, D.; Graden, A.P.; Mochow, C.R.; Mutter, L.R. 1968: Observations on the size of bovine ova. Journal of Dairy Science 51(2): 215-216

Lewis, J.W. 1967: Observations on the skull of Mustelidae infected with the nematode, Skrjabingylus nasieola. J. Zool, Lond. 153(4): 561-564

Jolly, V.Hilary 1967: Observations on the smelt Retropinna lacustris Stokell. Nz J Sci 10(1): 330-354

Passarge, H. 1964: Observations on the sociological classification of the Masurian Hornbeam forests. Arch. Forstw 13(7): 667-89

Reuszer, H.W. 1969: Observations on the soil organic matter fraction deearboxylated by acids. Pont. Acad. Sci. Scripta Varia 32: 195-241

Niewiadomska, K. 1964: Observations on the specificity in the genus Tylodelphys (Diesing 1850) (Trematoda, Diplostomatidae). Parasitic worms and aquatic conditions. Proceedings of symposium, Prague 29-Nov. 2 Prague: Czechoslovak Academy of Sciences, 159-163

Servazzi, O.; Marras, F. 1966: Observations on the spectral fluorescence of saps of healthy and virus-affected Citrus fruits. Studi sassar 14(2): 511-516

Servazzi, O.; Marras, F. 1966: Observations on the spectrofluorescence of healthy and diseased citrus sap. Studi sassar, Sez. III 14: 511-16

Rasheed, S. 1965: Observations on the spiruroid nematodes of fish with a revision of the genus Metabronema Yorke and Maplestone, 1926. Z. zool. Syst. Evolutionsforsch 3(3/4): 359-387

Collins, W.E.; Contacos, P.G.; Guinn, E.G. 1969: Observations on the sporogonic cycle and transmission of Plasmodium simium Da Fonseca. Journal of Parasitology 55(4): 814-816

Bobes, I.; Perseca Lena Pall Olga Musat Despina Florea, N. 1970: Observations on the spread and control of the main diseases of Barley. Lucr. stunt. Inst. agron. Cluj Ser. Agric 26: 395-401

Wienk, J.F. 1968: Observations on the spread and the control of zebra disease in Agave hybrid No. 11648. Pest Articles News Summ 14: 142-6

Ishii, M. 1972: Observations on the spread of Papaya ringspot virus in Hawaii. Pl. Dis. Reptr 56(4): 331-333

Pelet, F.; Neury, G.; Praz, P.; Martignier, P. 1969: Observations on the spread of Plum pox virus in Romanic Switzerland. Revue suisse Vitic. Arboric 1(5): 89-92

Dorn, P.; Kronthaler, O. 1964: Observations on the spread of avian encephalomyelitis in breeding flocks. Arch. Geflugelk 28: 49-56

Novak, D. 1967: Observations on the spread of mycoses in mosquitos. Z. Tropenmed. Parasit, 18: pt. 4, 488-491

Jansen, J.; Jr. 1968: Observations on the spring rise phenomenon in sheep. Tijdschr. Dier-geneesk 93: 422-430

Sturhan, D. 1970: Observations on the status of the pathotypes of the potato nematode (Heterodera rostochiensis). Z. PflKrankh 77: 132-34

Neubauer, H.F. 1969: Observations on the stem structure of several pelargoniums. Gartenbauwiss 34: 365-74

Minoranskii, V.A. 1966: Observations on the steppe cricket Gryllus desertus Pall, in the Rostov region. Zoologicheskii Zhurnal 45(3): 383-389

Machnik, J.; Lange, E.; Guzewska, I. 1970: Observations on the storability of three autumn pear cultivare. Prace Instytutu Sado-wnictwa w Skierniewicach, 14, 285-294

Litynski, M.; Chudoba, Z. 1966: Observations on the storage of alfalfa seed for seeding purposes. Hodoiala Rosl. Aklim. Nasienn 10(3): 343-59

Ostrowski, W.; Guzewska, I.; Ceglowski, S.; Mrozowski, M.; Gdowski, J. 1967: Observations on the storage of apples and pears in standard storage chambers (synthesis of observations made during 1953-57). Prace Inst. Sadownict. Skierniewicach 11: 277-305

Crusz, H.; Ratnayake, W.E.; Sathananthan, A.H. 1964: Observations on the structure and life-cycle of the digenetic fish-trematode Transversotrema patialense (Soparkar). Ceylon Journal of Science, Biological Sciences 5(1): 8-17

Camefort, H. 1964: Observations on the structure of chromosomes and nucleoli in the oosphere of Pines. C.R. Acad. Sci., Paris. 259: 23, 4335-8

Dean, G.J.W. 1967: Observations on the structure of hopper bands and movement or hoppers of the red locust (Nomadacris septemfasciata Serville). J. ent. Soc, sth. Afr. 30(1): 1-17

Bilqees, F.M. 1968: Observations on the structure of oncosphere of Taenia crassiceps (Zeder, 1800) Rudolphi, 1810. Canadian Journal of Zoology 46(4): 763-765

Hardy, R.N.; Hockaday, A.R.; Tapp, R.L. 1971: Observations on the structure of the small intestine in foetal, neo-natal and suckling pigs. Philosophical Transactions of the Royal Society of London. Series B Biological Sciences 259(834): 517-531

Chrtek, J. 1965: Observations on the subdivision of the genus Trisetum Pers. Bot. Notiser. 118: 210-24

Nisula, P. 1967: Observations on the success of seedlings transplanted in rolls. Metsat. Aikak 84(4): 131-2, 138

Tanasescu, S. 1970: Observations on the suckering of Robinia pseudoacacia in Oltenia. Rev. Padurilor 85(9): 491-3

Ewbank, R. 1964: Observations on the suckling habits of twin lambs. Animal Behaviour 12(1): 34-37

Rosati, P.; Crivelli, G. 1970: Observations on the suitability of 57 strawberry varieties for quick freezing. Annali dell'Istituto Sperimentale per la Frutticoltura 1(2): 135-149

Coffey, D.J. 1970: Observations on the surgical treatment of otitis externa in the dog. Journal of Small Animal Practice 11(4): 265-270

Cohn, E. 1966: Observations on the survival of free-living stages of the citrus nematode. Nematologica 12(2): 321-327

White, I.G.; Harrison, R.A. 1971: Observations on the survival of washed boar spermatozoa in different media. Journal of Reproduction and Fertility 26(1): 129-132

Crowley, W.R. 1969: Observations on the susceptibility and degree of injury to crab-apples from apple scab. Trans 111. Acad. Sci 62: 418-24

Knosel, D.; Thill, H.; Kock, T. 1971: Observations on the susceptibility of Sour Cherry vars. to bacterial canker (P. syringae) and results of control experiments over several years. Z. PflKrankh. PflSchutz 78(6): 329-334

Gould, H.J. 1965: Observations on the susceptibility of maincrop potato varieties to slug damage. Plant Pathol 14(3): 109-111

Bolay, A.; Bovay, E. 1965: Observations on the susceptibility of some plant species in Canton Valais to fluorine gases. Phytopath. Z 53(3): 289-298

Bose, A.K.; Sinha, V.P. 1964: Observations on the susceptibility status of Anophelinc mosquitoes with particular reference to A. culicifacies in Bihar. Bull. Indian Soc. Malar. commun. Dis 1(3-4): 149-153

Virag, J. 1964: Observations on the susceptibility to Cercospora beticola Sacc. of sugar beets infected with virus yellows (Beta virus 4). Novenynemesitesi novenytermeszt. kut. Int. Kozlem, Sopronhorpacs 3(1): 101-08

Leberre, R.; Wenk, P. 1966: Observations on the swarming behaviour of S. damnosum in Upper Volta and Cameroun. Verh. dt. zool Ges. 1966. Suppl 30, 367-372

Chamberland, E.; Rioux, G. 1968: Observations on the sweep-net method used in tests with insecticidal sprays on potato. Phytoprotection 49(2): 80-86

Cullen, R.; Shearer, G.C. 1964: Observations on the synchronisation of oestrus in ewes during the breeding season and the effect on subsequent fertility. Vet. Rec 76: 886-891

Johnson, S. 1965: Observations on the systematic position of the genus Gaigeria Railliet & Henry, 1910 (subfamily Necatorinae Lane, 1907: family Ancylostomidae Lane, 1907: Nematoda). Revta Biol. trop 13(2): 213-217

Ogden, C.G. 1971: Observations on the systematics of nematodes belonging to the genus Syphacia Seurat, 1916. Bull. Br. Mus. nat. Hist. (Zool.) 20(8): 253-280

Shcherbak, N.N.; Sharpilo, V.P. 1969: Observations on the systematics, ecology and parasite fauna of reptiles in the Kuril' Islands. Part I. Vestnik Zoologii. Zoological Inst., Kiev, Ukrainian SSR 3(4): 18-25

Salerno, M.; Somma, V. 1971: Observations on the systemic nature of benomyl in Sour Orange seedlings and results of trials against Citrus mal secco. Phytopath. Mediterranea 10(1): 99-106

Salerno, M.; Somma, V. 1971: Observations on the systemic translocation of benomyl in sour orange seedlings and its effect on mal secco of citrus. Phytopathologia Mediterranea 10(1): 99-106

Wallace, H.R.; Greet, D.N. 1964: Observations on the taxonomy and biology of Tylenchorhynchus macrurus (Goodey, 1932) Filipjev, 1936 and Tylenchorhynchus icarus sp.nov. Parasitology 54(1): 129-144

Nuorteva, M. 1969: Observations on the taxonomy and bionomics of Urocerus gigas and Sirex juvencus. Annales Entomologici Fennici 35(3): 160-168

Chrtkova-Zertova, A. 1970: Observations on the taxonomy and nomenclature of L. krylovii Schischk. et Serg. and L. corniculatus subsp. frondosus Freyn. Fol. geobot. phytotax 5(1): 89-97

Chrtek, J.; Jirasek, V. 1964: Observations on the taxonomy of some species of the genus Poa L. in the Tatra mountains. Biologia (Bratislava) 19: 493-498

Johnson, S.; Khera, S. 1967: Observations on the taxonomy of the genera Pseudoproleptus Khera, 1953 and Notopteroides Chakravarty and Majumdar, 1962 (Spiruroidea: Nematoda). Indian Journal of Helminthology 18(2): 148-150

Shcherbak, N.N.; Sharpilo, V.P. 1970: Observations on the taxonomy, ecology and parasite fauna of reptiles from the Kuril Islands. Part II. Vestnik Zoologii. Zoological Inst., Kiev, Ukrainian SSR 4(1): 28-33

Roberts, B.R. 1966: Observations on the temperate affinities of the vegetation of Hangklip mountain near Queenstown. C.P. Jl S. Afr. Bot, 32: Pt 3, 243-60

Venter, F. 1970: Observations on the temperature and chlorophyll content of tomato fruits and the incidence of green-back. Angewandte Botanik 44: 263-270

Kayo, N. 1964: Observations on the theory of agricultural location with special reference to Thunen's theory. Nogyo Sogo Kenkyu, Tokyo. 18(2): 99-51

Breyne, H. 1965: Observations on the thermoperiodic reactions of some tropical plants: Capsicum frutescens and Theobroma cacao. Bull. Acad. roy. Sci. Outre-Mer. 6: 1536-64

Geoffrion, R. 1970: Observations on the third flight of Lobesia botrana in the vineyards of the Loire valley. Phytoma 22(214): 27-36

Sitholey, R.V. 1971: Observations on the three-dimensional structure of the leaf cuticle in certain plants. Annals of Botany 35(141): 637-639

Andrews, E.D. 1965: Observations on the thrift of young sheep on a marginally cobalt-deficient area. New Zeal J Agr Res 8(4): 788-817

Piglionica, V. 1967: Observations on the times of year most favourable to infection of almonds by Fusicoccum amygdali. Phytopath. medit 6: 127-32

Lapwood, D.H.; Lewis, B.G. 1967: Observations on the timing of irrigation and the incidence of Potato common scab (Streptomyces scabies). PL Path, Rothamsted 16(3): 131-135

Horton-Smith, C.; Long, P.L.; Lee, D.L. 1968: Observations on the tissue and post-tissue larval development of Ascaridia dissimilis Vigeuras 1931, and a comparison with that of Ascaridia galli, in turkeys. Parasitology 58(3): 709-714

Radomska, M.J.; Lack, A. 1965: Observations on the topography of wool staple length in sheep of the crossbred type. Zesz. nauk. Szk. glow. Gosp. wiejsk. Warsz. Zootech, 4, 97-102

Norton, R.L. 1970: Observations on the topping and hedging done in Western N.Y. Proc. N.Y. St. hort. Soc., 1970. 115: 213-15

Pacenovsky, J.; Kloosterman, A.; Antonisse, H.W. 1971: Observations on the translation process of trichostrongylid nema-todes. Netherlands Journal of Agricultural Science 19(2): 114-122

Kinoti, G. 1964: Observations on the Transmission of Schistosoma Haematobium and Schistosoma Bovis in the Lake Region of Tanganyika. Bulletin of the World Health Organization 31: 815-823

Rozeboom, L.E.; Bhattacharya, N.C.; Gilotra, S.K. 1968: Observations on the transmission of filariasis in urban Calcutta. American Journal of Epidemiology 87(3): 616-631

Milella, A. 1967: Observations on the transpiration of orange leaves. Riv. Ortoflorofruttic. ital. 51: 87-102

Meagher, J.W. 1968: Observations on the transport of nematodes In subsoil drainage and Irrigation water. Aust. J. exp. Agric. Anim. Husb 7: 568-571

Meagher, J.W. 1967: Observations on the transport of nematodes in sub-soil drainage and irrigation water. Aust J Exp Agr Anim Husb 7(29): 577-579

Carlisle, C.H. 1970: Observations on the treatment of Dirofilaria immitis infection in dogs in Brisbane. Australian Veterinary Journal 46(5): 185-189

Mcloughldj, D.K. 1966: Observations on the treatment of Trichomonas gallinae in pigeons. Avian Dis 10(3): 288-290

Nath, D. 1971: Observations on the treatment of amphistomiasis in sheep. Indian Veterinary Journal 48(6): 653-655

Feagan, J.T.; Griffin, A.T. 1966: Observations on the treatment of cows with penicillin preparations at drying-off. Australian J Dairy Technol 21(2): 58-62

Nnochiri, E. 1964: Observations on the Treatment of Onchocerciasis in an Endemic Area of Western Nigeria. Transactions of the Royal Society of Tropical Medicine and Hygiene 58: 413-418

Nauenberg, W.; Edelman, M.H.; Spingarn, C.L. 1970: Observations on the treatment of strongyloidiasis with thiabendazole in New York City. Mount Sinai Journal of Medicine new York 37(5): 607-611

Frost, A.J. 1967: Observations on the treatment with spiramycin of Staph. aureus infection in a dairy herd. Aust. vet. J 43: 88-91

Bornman, C.H. 1968: Observations on the ultrastructure of chromoplasts in Celastrus scandens. J. S. Afr. Bot 34: 295-301

Cook, R.D.; King, A.S. 1970: Observations on the ultrastructure of the smooth muscle and its innervation in the avian lung. Journal of Anatomy 106(Pt 2): 273-283

Cndler, R.L. 1969: Observations on the ultrastructure of the spinal cord, spleen and lymph nodes of mice inoculated with scrapie. Research in Veterinary Science 10(3): 292-293

Bortoletti, G.; Ferretti, G. 1971: Observations on the ultrastructure of the tegument in the larval forms of Hydatigera (=Taenia) taeniaeformis and considerations on the development of the cyclofillidean Cestoes larvae. Rivista di Parassitologia 32(4): 249-271

Cook, W.R. 1964: Observations on the upper respiratory tract of the dog and cat. J. small Anim. Pract 5: 309-329

Liebermann, H.; Vetterlein, W. 1970: Observations on the use in virology of cultures of pig thyroid cells. Arch. exp. VetMed 24: 559-569

Kelsey, F.H. 1966: Observations on the use of "Zanil" (3,3',5,5', 6-pentachloro-2,2'-dihydroxy-benzanilide) against liver fluke disease in Wester Ross. Veterinary Record 78(9): 303-304

Toothill, J.; Thompson, S.Y.; Edwards-Webb, J. 1970: Observations on the use of 2,4-dini-trophenylhydrazine and of 2,6-dichlorophenolindo-phenol for the determination of vitamin C in raw and in heat-treated milk. J. Dairy Res 37(1): 29-45

Nichols, C.W.; Whiteman, J.V. 1964: Observations on the use of 6-methyl-17-acetoxy-progesterone (Provera) for the synchronization of estrus in ewes. Misc. Publ. Okla. agric. Exp Sta, MP-74, 23-33

Leal, J.M.; Sherlock, I.A.; Serafim, E. 1965: Observations on the use of BHC against Triatomines in houses in Salvador, Bahia. Revta bras. Malar. Doenc. trop 17(1): 65-73

Capstick, P.B.; Garland, A.J. 1965: Observations on the use of BHK 21 Clone 13 cells for foot-and-mouth disease vaccine production. Bulletin - Office International des Epizooties 64: 215-223

Alps, B.J. 1968: Observations on the use of a cardiac drug. Vet. Rec, 82: 336

Luders, W. 1965: Observations on the use of a granulated insecticide (disulfoton) in hop gardens of the Lake Constance region. NachBl. dtsch. PflSchDienst, Braunschweig 17: 60-2

Blaxland, J.D.; Macleod, A.J.; Hall, T. 1970: Observations on the use of a live infectious bronchitis vaccine under field conditions. IVth Congr. World Vet. Poultry Ass, Belgrade, 95-102

Gould, H.J. 1968: Observations on the use of a predator to control red spider mite on commercial cucumber nurseries. Plant Path 17: 108-12

Nolan, N. 1970: Observations on the use of a supplemental beverage. Journal of the American Dietetic Association 56(6): 529-534

Luders, W. 1965: Observations on the use of an insecticidal granular broadcast treatment (active ingredient Disulfoton) in hop gardens in the Lake Constance region. NachrBl. dt. PflSchutz-dienst, Stuttg. 17(4): 60-62

Ikeda, S.; Miyata, K. 1967: Observations on the use of cable equipment for conveyance. Trans. Tottori Soc. Agric. Sci, 19, 123-30

Pritchard, N.M.; Anderson, A.J.B. 1971: Observations on the use of cluster analysis in botany with an ecological example. Journal of Ecology 59(3): 727-747

Richard, J.; Auclair, J. 1964: Observations on the use of different cleaning and disinfecting agents for milking machines. Lait 44: 439/440, 593-608

Jennings, R.C. 1966: Observations on the use of diquat for the control of water weeds. Proc 8th Br. Weed Control Conf, 586-7

Kyla-Siurola, Anna-Liisa 1966: Observations on the use of farm tanks at Jokioinen. Karjaniuote 49(9): 217-20

Jackson, L.L.; Lundvall, R.L. 1970: Observations on the use of glyceryl guaiacolate in the horse. Journal of the American Veterinary Medical Association 157(8): 1093-1095

Uppal, P.K.; Nilakantan, P.R.; Sakkubai, P.R. 1967: Observations on the use of live and inactivated virus vaccines against sheep pox. Indian Veterinary Journal 44(10): 815-827

Giordano, E. 1969: Observations on the use of naked-rooted conifer seedlings. Cellulosa e Carta 20(11): 53-5

Hamon, J. 1965: Observations on the use of net-traps for the semiautomatic capture of mosquitos. Bull. Soc. Path. exot, Paris 57(3): 576-588

Russel, A.J.F.; Doney, J.M. 1969: Observations on the use of plasma free fatty acid concentrations in the determination of maintenance requirements of sheep. J. Agric. Sci 72: 59-63

Bailey, D.R. 1967: Observations on the use of preplant herbicides in pasture establishment in the wet tropics. Queensl J Agr Anim Sci 24(1): 31-40

Foord, H.E. 1966: Observations on the use of progesterone impregnanted tampons in a herd of Dorset Hill sheep. Veterinary Record 78(13): 461

Rankin, J.E.; Faull, W.B.; Cawley, G.D. 1969: Observations on the use of progestogen-impregnated tampons to produce lambs in Janurary in a commercial lowland flock. Veterinary Record 84(3): 62-65

Barrada, Y.; Decroux, J. 1965: Observations on the use of the neutron probe for studying the water nutrition of plants. Al Awamia 14, 115-45

Mazanowski, A.; Mazanowska, A. 1968: Observations on the usefulness of breeding quails, white and partridge-coloured, derived from Italian imports. Medycyna Weterynaryjna 24: 431-433

Davidson, J.; Mathieson, J. 1965: Observations on the utilisation of dietary energy by medium- and fast-growing strains of cockerels and on their arginine and methionine requirements. British Poultry Science 6(3): 225-233

Forbes, T.J.; Raven, A.M.; Robinson, K.L. 1966: Observations on the utilization of grass grazed by young beef cattle with and without barley supplementation. J Brit Grassland Soc 21(2): 167-173

Barrada, Y.; Decroux, J. 1965: Observations on the utilization of the neutron probe in studying water nutrition of plants. Awamia 14: 115-147

Hislop, E.C. 1967: Observations on the vapour phase activity of some foliage fungicides. Ann. appl. Biol 60: 265-79

Brad, I.; Olteanu, G.; Niculescu, S.; Moldoveanu, E.; Hurduc, N. 1969: Observations on the variation in activity of some enzymes and on the peroxidase isoenzyme spectrum in potato varieties with differing blight resistance. Analele Institutului de Cercetari pentru Cultura Cartofului si Sfeclei de Zahar, Brasov, Cartoful 1: 171-175

Josefsson, E. 1966: Observations on the variation in content of rhodanidogenic glucosides in some Brassica fodder crops. Qual. Plant. Mater. veg 13: 190-96

R.Galzy 1965: Observations on the variations in health within a clone of Vitis rupestris affectedl by infectious degeneration. Annls Epiphyt 16: Hors-Ser. 1, 97-108

Hiraoka, T. 1967: Observations on the varietal classification of very early cauliflower varieties. Nogyo oyobi Engei/Agric. & Hort 42: 814-16

Guerriero, R. 1968: Observations on the vegetative performance of the apricot variety Reale d'Imola in the coastal region of Tuscany. Riv. Ortoflorofruttic. ital 52: 565-77

Jensen, L.A. 1971: Observations on the viability of Borneo camphor Dryobalanops aromatica Gaertn. Proc. int. Seed Test. Ass 36: 141-6

Jacobs, R.H.; Linser, A. 1969: Observations on the vine leaf hopper E. flavescens. Inf. agrar, Verona., 25: 1287-9

Bjorling, K. 1970: Observations on the viral progeny of mixed infections with Beet yellows virus. Socker 24(1): 1-11

Nagaich, B.B.; Vashisth, K.S. 1965: Observations on the virus diseases of plums in India. Indian J Agr Sci 35(2): 157-161

Rao, S.S.; Rao, A.V.S.P.; Srinath, E.G. 1964: Observations on the vitamin B12 content of Propionibacterium freudenreichii and its possible utilization. Indian J. Biochem 1: 109-110

Griminger, P.; Lutz, H. 1964: Observations on the voluntary intake of calcium supplements by the laying hen. Poultry Sci 43(3): 710-716

Chadefaud, M. 1969: Observations on the walls, apical structure, and nutrient reserves of asci. Ost. bot. Z 116: 1-5, 181-202

Cristoferi, G.; Santucci, A. 1965: Observations on the water-conducting capacity of some graft combinations in pears. Atti Giorn. Stud. Prop. Spec, legn., Pisa 1965. 572-9

Carle, P.; Moutous, G. 1966: Observations on the way in which four species of Auchenorrhyncha feed on vines. Annls Epiphyt 16(4): 333-354

Lamouroux, M. 1965: Observations on the weathering of calcareous rocks in a humid mediterranean climate (Lebanon). Cah. Pedol. ORSTOM 3(1): 21-41

Seidel, D. 1970: Observations on the wind dissemination of fungal spores in Cuba. Beitr. trop. & subtrop. Landwirt. & Tropenvet-Med 8(1): 43-50

Cole, E.J.; Mackay, G.; Barnum, H.J. 1965: Observations on the yellow color that appears on milk sediment disks. J Milk Food Technol 28(12): 372-374

Murawski, H. 1969: Observations on the yield of apple clones and on the possibility of increasing apple yields through breeding. Anwendung neuer Erkenntnisse der Zuchtungs-forschung in der Obstzuchtung, Tagungsber. dtsch. Akad. Landw-Wiss., Berlin, 96, 7-17

Weissen, F.; Sacre, E. 1968: Observations on the yield of mast in 1964 and 1965 in two Beech woods of the Ardennes. Bull. Soc. For. Belg 75(6): 273-91

Rosabal, R.; Trejos, A. 1965: Observations on their biology with special reference to Lutzomyia longipalpis. Revta Biol. trop 13: 219-228

Lewis, N.B. 1964: Observations on thinning and pruning in South Africa. Commonw. For. Rev 43(2): 116-33

Chandler, R.L.; Derbyshire, J.B.; Smith, K. 1969: Observations on the experimental infection and cellular pathology of transmissible gastroenteritis in piglets. Research in Veterinary Science 10(5): 435-439

Callow, L.L. 1967: Observations on tick-transmitted spirochaetes of cattle in Australia and South Africa. British Veterinary Journal 123(11): 492-497

Dominik, J. 1966: Observations on timber destroying insects recently found in Poland. Sylwan, Warsaw. 110(7): 33-36

Hindi, E.; Dishon, I.; Nevo, D. 1965: Observations on tobacco blue mold in Israel. Plant Dis Reporter 49(2): 154-156

Banerjee, N.C.; Miller, G.E.; Stowe, C.M. 1969: Observations on toxicity of aminopyrine and its metabolites in cattle. Indian Veterinary Journal 46(12): 1055-1059

Freeman, R.S.; Thompson, B.H. 1969: Observations on transmission of Diphyllobothrium sp. (Cestoda) to lake trout in Algonquin Park, Canada. J. Fish. Res. Bd Can 26(4): 871-878

Jalloul, A. 1968: Observations on treatments for the control of Ceratitis capitata in the Lebanon in 1966. Fruits d'Outre Mer 23: 415-21

Boeker, P.; Richter, W.; Sauer, O. 1965: Observations on trials with growth regulator compounds along motorways and mam roads. Ergebn 6. dt. Arbeitsbesprechung uber Fragen der Unkraut-biologie u. -bekampfung, Hohenheim, Z. PflKrankh. PflPath. PflSchutz, 1965. Sonderh 3, 341-5

Ali, M.M. 1971: Observations on trichostrongylid worms from Indian birds, including a description of two new species. Rivista di Parassitologia 32(2): 89-99

Namekata, T.; Rossetti, V. 1969: Observations on tristeza of Citrus. Biologico 35(11): 289-290

Simmonds, N.W. 1965: Observations on tuber induction in potatoes. Europe Potato J 8(2): 92-97

Waddington, F.G. 1965: Observations on Tuberculin Sensitivity in Cattle in Kenya. British Veterinary Journal 121: 319-331

Barbetta, F.; Grasselli, G.; Ronsisvalle, G. 1964: Observations on tumours induced in plants treated with gibberellic acid. Atti Ist. bot. Univ. Pavia 21: 105-7

Schutte, C.H. 1966: Observations on two South African bulinid species of the truncatus group (Gastropoda, Planorbidae). Annals of Tropical Medicine and Parasitology 60(1): 106-113

Varabioff, Y.; Loane, P.C. 1970: Observations on two disk assay methods for the detection of penicillin in market milk. Aust. J. Dairy Technol 25(3): 142-44

Chitwood, B.G.; Murphy, D.G. 1964: Observations on two marine monhysterids their classification, cultivation, and behavior. Trans. Am. microsc. Soc 83(3): 311-329

Lewis, S.; Webley, D. 1966: Observations on two nematodes infesting grasses. Plant Pathol 15(4): 184-186

Kailidis, D.S. 1968: Observations on two poplar pests in Greece. Anz. Schadlingsk, 41: pt. 3, 38-41

Jones, M.G. 1967: Observations on two races of the groundnut aphid, Aphis craccivora. Entomologia exp. appl 10(1): 31-38

Flanders, S.E.; Bartlett, B.R. 1964: Observations on two species Metaphycus (Encyrtidae, Hymenoptera) parasitic on citricola scale. Mushi 38: 39-42

Hair, J.A. 1968: Observations on two species of Culex of the subgenus Melanoconion. Mosquito News 28(3): 425-429

McBarron, E.J.; McInnes, P. 1968: Observations on urea toxicity in sheep. Australian Veterinary Journal 44(3): 90-96

Szeinberg, A.; Bar-Or, R.; Pollak, S.; Cohen, B.E.; Jepson, J.B. 1965: Observations on urinary excretion of indolylacryloyl glycine. Clinica Chimica Acta; International Journal of Clinical Chemistry 11(6): 506-511

Spector, I.; Falcke, H.C.; Yoffe, Y.; Metz, J. 1966: Observations on urocanic acid and formiminoglutamic acid excretion in infants with protein malnutriton. American Journal of Clinical Nutrition 18(6): 426-436

Manolkidis, K.S.; Tzanetakis, N.M. 1972: Observations on variations in the microflora during production and ripening of Teleme cheese. Hem. Hron 37(4): 87-89

Da Sllveira, A.P.; De Mendonca, N.T.; Bastos Cruz, B.P. 1967: Observations on varietal resistance of tomatoes to Fusarium wilt. Biologico 33: 35-7

Logothetis, B. 1968: Observations on various biological phenomena in twelve Greek varieties of grape vine. Rev. Hort. Viticult, Bucuresti 17(7-8): 54-59

Mazzucchi, U. 1968: Observations on vascular blackening of cultivated crucifers by X. campestris (Pammel) Dowson. Inftore fitopatol 18: 23-24, 1-4

Hoppe, R. 1968: Observations on vibrio strains isolated from the genital tract of cattle and sheep. Deutsche Tierärztliche Wochenschrift 75(8): 193-198

Fehervari, T. 1969: Observations on viral gastro-enteritis of swine. Magy. Allatorv. Lap 24: 24-26

Weil, B. 1964: Observations on virus spread in the field. Z. PfiKrankh 71(5): 302-310

Basil, W.; Brown, J.K.; Matthews, D.M. 1965: Observations on Vitamin B12 in Serum and Cerebrospinal Fluid in Multiple Sclerosis. Journal of Clinical Pathology 18: 317-321

Bhadula, S.K.; Sharma, H.R.; Desai, R.N. 1971: Observations on vitamin C levels in the blood plasma of sahiwal and Murrah heifers during oestrus. Zeitschrift für Tierphysiologie Tierernahrung und Futtermittelkunde 27(4): 234-236

Roman, R. 1968: Observations on water content and aggregate formation in soils. An, Edafol Agrobiol 27: 399-404

Eynard, I. 1970: Observations on water movement in leaves and fruit of avocado. Riv. Agric. subtrop 64: 139-50

Zukowski, K.; Luchowiec, J. 1964: Observations on ways of advancing breeding by crossing Polish Bed cattle with foreign breeds. Postepy Nauk roln 11(5): 105-111

Aryeetey, A.N.; Khan, E.J.A. 1966: Observations on weed control in West African rice fields. FAO Afro News 2(1): 18-20

Dancau, B.; Bachthaler, G. 1968: Observations on weed flora in relation to habitat and cultivation in crop rotation studies at four locations on arable land in southern Bavaria (preliminary report). Z. PflKrankh. PflPath. PflSchutz, 37-53

Coles, G.C. 1969: Observations on weight loss and oxygen uptake of aestivating Bulinus nasutus, an intermediate host of Schistosoma haematobium. Annals of Tropical Medicine and Parasitology 63(3): 393-398

Haber, A.; Matuszewski, G. 1966: Observations on wild rabbits (Oryctolagus cuniculus) in forest areas of Poland. Zesz. nauk. Szkol. Gospod. Wiejsk. Warsz. (Lesn.). 9, 87-101

Leikola, M. 1967: Observations on wind conditions in a managed Scots Pine stand. Silva fenn 1(3): 57-72

Kaukovirta, E. 1968: Observations on winter hardiness of conifer plantings at Viikissa, Kauhajoella and Rovaniemella. Puu-tarha, 71: 418

Wagner, M. 1969: Observations on winter wheat mutants with regard to quality characters. Z. Pflanzenz 61: 288-96

Hawksworth, F.G.; Weens, D. 1966: Observations on witch's-broom formation, auto-parasitism and new hosts in Phoradendron. Madrono 18(1): 218-24

Loyttyniemi, K. 1967: Observations on wood-destroying insects living in the footbridge over Siikaneva bog. Annales Entomologici Fennici 33(4): 260-264

Knabe, W. 1965: Observations on world-wide efforts to reclaim industrial waste land. Ecology and the Industrial Society, Blackwell Scientific Publications,Oxford, UK: 263-96

Ayala, A.; Agosta, N. 1971: Observations on yam (Dioscorea alata) nematodes. Nematropica 1(2): 39-40; 44-45

Saez, H. 1968: Observations on yeasts isolated from the lungs of Mammals. Red Med. vet. EC. Alfort 144(4): 357-373

Langlet, A.; Aldhuy, A. 1971: Observations on yield factors in grain sorghum. Comptes Rendus des Seances de l'Academie d'Agriculture de France, 57: 18, 1606-1116

Jensen, H.L.; Hansen, A.-L. 1968: Observations on. host plant relations in root nodule bacteria of the Lotus-Anlhyllis and the Lupinus-Ornithopus groups. Acta Agric. scand 18: 135-142

Damigella, P. 1967: Observations over a four-year period on orange trees supplied with simple or complex fertilizers. Tecn. agric 19: 298-320

Lange, V. 1964: Observations over several years on fruiting of Betula verrucosa and B. pubescens, its biological basis and its importance to forestry. Latv. lauksaimn. Akad. Raksti (Trans. Latv. agric. Acad.), 14, 157-64

Felecan, V. 1964: Observations regarding the behaviour of maize under the influence of low temperatures during the first period of growth. Lucrar, sti. Inst. agron. P. Groza Ser. Agric, Cluj 20: 111-24

Szidat, L. 1971: Observations regarding the rhythmical occurrence of the dermatitis due to schistosome larvae in man during the sunspot cycle. Kongressbericht uber die Tagung der Osterreichischen Gesellschaft fur Tropen-medizin (2nd) and der Tagung der Deutschen Tropenmedtzinischen Gesellschaft (4th) Salzburg and Bad Reichenhall, April 21-23, Gabriela Mistral 4427, Buenos Aires, Argentina., 293-298

Caubel, G.; Ritter, M.; Rivoal, R. 1971: Observations relating to attacks by the nematode Meloidogyne naasi Franklin on cereals and fodder grasses in western France in 1970. C.r. hebd. Seam. Acad. Agric. Fr 57: 351-356

O'Brien, M.M.; McIntosh, H.W. 1967: Observations relating to the possible role of calcitonin in calcium homeostasis in man. Canadian Medical Association Journal 97(16): 941-943

Hope-Simpson, J.F.; Jefferies, R.L. 1966: Observations relating to vigour and debility in marram grass (Ammophila arenaria (L.) Link). J. Ecol 54(1): 271-4

Briand, L.J.; Rivard, I. 1964: Observations sur Mermis subnigrescera Cobb (Mermithidae), nematode parasite des criquets au Quebec. Phytoprotection 45(2): 73-76

Petter, A.J. 1968: Observations sur la systematique et le cycle de l'ascaride Hexametro quadricornis (Wedl 1862). Annls Parasit. hum. comp 43(6): 655-691

Gherman, I. 1968: Observations sur le traitement du teniasis par le N-2'-chloro-4'-nitrophenil-5-chloro-salicyl amide. Bull. Soc. Path. exot 61(3): 432-434

Roman, E. 1964: Observations sur les nematodes du genre Strongyloides, parasites des rats des champs. Bulletin de l'Association des Diplomes de Microbiologie de la Faculte de Pharmacie de Nancy, 96, 18-22

Timon-David, J.; Timon-David, P. 1967: Observations sur un Brachylaemus (Trematoda, Digenea), parasite de Lariformes sur le littoral mediterraneen. Annls Parasit. hum. comp 42(2): 179-186

Gerwig, C. 1969: Observations up to the present time on the litter and carcass testing station in Sempach. Schweiz. landw. Mh 47: 196-208

Dickerson, C.T. 1966: Observations with surfactants and selected herbicides. Proc 20th NEast Weed Control Conf, 97-104

Atkins, O.H. 1967: Observations, description and behavior of the Reed avocado. California Avocado Society, Year Book. 1967. 13-14

Vidano, C. 1966: Observations, experiments and comparisons of the injuries caused by insects on Vitis. Studies of the working group of the National Council of Research for virus diseases: LI. Artnali Fac. Sci. agr. Univ. Studi Torino. 1: 513-642. 8 pp

Connor, D.J.; Cartledge, O. 1970: Observed and calculated photosynthetic rates of Chloris gayana communities. Jnl appl. Ecol 7(2): 353-62

Baier, W. 1969: Observed and estimated seasonal soil water variations under nonlrrigated sod. Can. J. Soil Sci 49: 181-188

Moll, R.H.; Robinson, H.F. 1966: Observed and expected response in four selection experiments in maize. Crop Sci 6(4): 319-324

Morris, R.F. 1971: Observed and simulated changes in genetic quality in natural populations of Hyphantria cunea. Canad. Ent 103(6): 893-906

Calapaj, G.G.; Ongaro, D. 1970: Observed ratios of 90Sr/Ca and 137Cs/K in the food of nursing mothers and in their milk. J. Dairy Res 37: 1-7

Miller, F.L. 1968: Observed use of forage and plant communities by black-tailed deer. J Wildlife Manage 32(1): 142-148

Blandau, R.J. 1971: Observing ovulation and egg transport. Methods in mammalian embryology, San Francisco: W. H. Freeman and Co., 1-14

Kho, Y.O.; Baer, J. 1968: Observing pollen tubes by means of fluorescence. Euphytica. Wageningen 17: 298-302

Marsalek, L.; Et Al. 1964: Observing the activity of enzymes in lines and hybrids of maize in connexion with solving the problem of the genetical nature of heterosis. Sborn. vysok. Sk. zemed. Brne : Rada A 4: 575-82

Pinkiewicz, E.; Pienkowski, M. 1964: Obserwacje nad skutecznoacia. w zwal-czaniu glistnicy awin i toksycznoacia. fluorku i fluorokrzemianu sodu. Medycyna Weterynaryjna 20(6): 352-353

Dawson, J.A. 1969: Obstacles expected and steps required in implementation of a sound policy for Canadian agriculture. Can J. agric. Econ, Ottawa 17(3): 70-9

Coussy, J. 1968: Obstacles to adaptation of economic education in developing countries. Dev. Civilisations, Paris 35: 42-51

Casewa, G. 1964: Obstacles to development of cooperative marketing. Indian Cooperative Rev, New Delhi 2(1): 7-12

Daniel, W.A.; Mounger, J.R.; Perkins, J.C. 1971: Obstetric and fetal complications in folate-deficient adolescent girls. American Journal of Obstetrics and Gynecology 111(2): 233-238

Ben-David, B. 1964: Obstetric measurements of the pelvis in Israeli-Friesian heifers during pregnancy as compared to those of their calves at the time of parturition. Refuah Veterinarith 21: 49

Skjerven, O. 1970: Obstetrics in the dog. Proc 11th Nordic Vet. Congr., Bergen, Norges Veterinaerhogskole, Oslo, Norway, 224-227

Bo, O. 1968: Obstruc-tion of the small intestine by food. Tidsskr. norske Loege-forening. 88: 77-80

Corker, E.; Dziuk, H.E. 1968: Obstructive ligation of digestive tract in sheep. American Journal of Veterinary Research 29(7): 1429-1439

Weaver, A.D. 1969: Obstructive urolithiasis in sheep. Veterinary Record 84(13): 320-324

Babcock, V.I.; Southam, C.M. 1965: Obstructive uropathy in laboratory mice. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine 120(2): 580-581

Verzilin, N.N.; Pinevic, V.V.; Kozlova, E.V.; Kamcatova, I.E.; Kvitko, K.V.; Abakumova, I.A.; Kondrat'ev, J. I. 1969: Obtaining Chlorella biomass with an increased content of S amino acids and its food value. Kosmic Biol. Med 3(1): 63-67

Hollo, J. 1968: Obtaining a cellulose-free plant protein extract which may be used as fodder. C.R. Acad. Agric 54: 659-664

Kirillova, G.A.; Bogdanova, E.N. 1964: Obtaining a mutant form of haploid tomato. Research in genetics 2, Leningrad Univ., Leningrad, 86-89

Petrov, A.V. 1969: Obtaining a suitable shape of fodder-beet seed plant. Selek. Semenov, 6, 53-5

Suman, J. M. 1966: Obtaining an original maize mutant as a result of strychnine treatment of the intergeneric hybrid maize x teosinte. Trud. Kisinev. sel'skohoz. Inst. (Trans. Kisinev agric. Inst.). 45: 142-44

Guseva, L.I. 1964: Obtaining and evaluating self-pollinated lines of cucumber. Sborn. Trud. Aspirant, molod. nauc. Sotrud. vses. nauc.-issled. Inst. Rasten. (Rep. Wk. Postgrad. jun. Sci. All-Un. Inst. Pl. Industr.) 4(8): 103-06

Granciu, I.; Cureu, I. 1970: Obtaining and homologisation of blood group reagents in cattle. Lucr. Stiint. Inst. Cerc, zooteh, 27: 185

Antonovskii, S.D.; Kulakova, V. E.A. 1971: Obtaining and processing water-soluble hemicelluloses from Larch wood. Khim. Drev, 8, 147-53

Hobbs, G.A. 1967: Obtaining and protecting pollinating species of Bombus (Hymenoptera: Apidae). Can. Ent 99(9): 943-951

Skreblyukov, I.E. 1971: Obtaining and transporting milk of high bacteriological quality. Voprosy Pitaniia 30(4): 94-95

Martini, G.; Bozzini, A. 1967: Obtaining aneuploids by gamete irradiation in durum wheat. Genet, agr, Pavia 21: 139-47

Romanov, G.I. 1968: Obtaining antilisteriosis sera from sheep. Trudy gosud. nauchnokontrol. Inst. vet. Preparatov. 15: 175-181

Amirov, Z.S.; Babaev, M.S. 1966: Obtaining artificial mutations in inter-Specific potato hybrids by means of irradiation. 1. Uc. Zap. Azerb. Univ. : Ser. biol. Nauk. (Sci. Mem. Azerb. Univ. : Ser. biol. Sci, 3, 3-5

Georgiev, H. 1964: Obtaining atrotabac. Balg.Tjutjun. 6: 1-11

Panikar, I.I. 1965: Obtaining attenuated strains of duck hepatitis virus. Veterinariya, Kiev. 7, 34-37

Nepenin, J. N.; Pogozeva, T.A. 1967: Obtaining bleached sulphate pulp from Birch and Aspen wood. Lesn. Z., Arhangel'sk 10(5): 136-40

Barej, W.; Kulasek, G.; Rondio, Z. 1966: Obtaining blood from the portal vein of sheep by means of a polyethylene tube. Acta physiol. polon 17: 695-698

Soria, V.J. 1966: Obtaining cacao clones by the method of selection indices. Turrialba 16: 119-24

Nagai, H. 1968: Obtaining capsicum varieties resistant to mosaic. Bragantia 27: 311-56

Zeleznov, A.V. 1964: Obtaining changes in the progeny of buckwheat by means of mutagenic factors. Trud. cent, sibir. bot. Sad. (Trans, cent. Siber. bot. Gdn.), 2, 104-06

Botar, A.; Ghena, N. 1971: Obtaining chrysanthemums by meristem culture. Rev. Hort. Vitic 20(4): 47-53

Dolgushin, D.A.; Unupoglyan, D.A. 1968: Obtaining cold-resistant forms of maize. Nauchno-tekhn. byul. Vses. selekts.-genet. in-ta, 9, 29-33

Cooke-Yarborough, R.E. 1969: Obtaining credit for the farm as a business. Fm Mgmt, Melbourne 5(2/3): 5-11

Zdril'ko, A.F.; Poljakov, I.M. 1966: Obtaining crop plants with male sterility by chemical action. Plant breeding using cytoplasmic male sterility, Urozaj, Kiev., 483-96

Rudikov, N.I. 1966: Obtaining cultures of cells and tissues of fish and their use in investigating fish diseases. Mater, godichnoi nauchnoi Konf, 66-68

Skurygina, N.A. 1970: Obtaining disease-resistant bread wheat through hybridization with Triticum timopheevi Zhuk. Otdalen. gibridizatsiya rast, Moscow, USSR, Kolos, 341-349