Section 22

EurekaMag Full Text Articles Chapter 21,460


Sato, M. 2000: Observation of roosting red-rumped swallows. Strix 18: 141-143
Maafi, ZT. 1993: Observation of root lesion nematode, Pratylenchus loosi in imported tea seedlings from Japan. Applied Entomology and Phytopathology 60(1-2): 29-30, 93-94
Bedford, G. 1992: Observation of scent following in a male carpet python (Morelia spilota variegata). Herpetofauna (Sydney) 22(2): 45
Reid, K.; Nevitt, G.A. 1998: Observation of southern elephant seal, Mirounga leonina, feeding at sea near South Georgia. Marine Mammal Science 14(3): 637-640
Kozlovskii, S.V. 1991: Observation of spawning behavior of the roach and the bream in the Saratov reservoir. Voprosy Ichtiologii 31(5): 876-878
Guo, Qiong-lin. 2000: Observation of surface microstructure and investigation of SRBC receptor (CD2) on lymphocyte of Ctenopharyngodon idellus and Trionyx sinensis. Journal of Fisheries of China 244: 349-353
Melisch, R. 1994: Observation of swimming babirusa Babyrousa babyrussa in Lake Poso, Central Sulawesi, Indonesia. Malayan Nature Journal 47(4): 431-432
Takaba, M. 1992: Observation of swimming movement of red sea bream (Pagrus major) by ultrasonic telemetry. Bulletin of the Hiroshima Fisheries Experimental Station 17: 71-84
Kuroda, N. 1979: Observation of territorial life in breeding season of a pair of jungle crow Corvus macrorhynchos in City tokyo (continued 8: summarization 4 - to be continued). Journal of the Yamashina Institute for Ornithology 111: 19-38
Kuroda, N. 1978: Observation of territorial life in breeding season of a pair of jungle crow Corvus macrorhynchos in city Tokyo. (Continued 7: summarization 3 - to be continued. Journal of the Yamashina Institute for Ornithology 103: 300-313
Daugherty, R. 1981: Observation of the Cape eagle owl (Bubo capensis). Bokmakierie 332: 35-37
Sitter, A.J.; Reczek, C.M.; Terner, J. 1985: Observation of the FeIV=O stretching vibration of ferryl myoglobin by resonance Raman spectroscopy. Biochimica et Biophysica Acta 828(3): 229-235
Lewartowski, Z.; Pugacewicz, E. 1993: Observation of the Pallas's sandgrouse (Syrrhaptes paradoxus) in Poland after 82 years since the last invasion. Notatki Ornitologiczne 34(1-2): 171-172
Nikolsky, ID. 1987: Observation of the acoustic behaviour of the Mediterranean black-headed gull (Larus melanocephalus) in the region of the Azov Sea. Ornitologiya 22: 215-217
Niwa, N.; Yokoyama, T. 1997: Observation of the behavior of an atyid shrimp Neocaridina denticulata migrating to upstream habitats by mark and recapture experiments using trypan blue and trypan red. Suisan Zoshoku 45(4): 437-443
Chen, H.; Qiu, T. 1992: Observation of the behavior on the male oriental fruit moth approaching the source of sex inducer in the field. Journal of Biology (Hefei) 62(46): 10-12
Ohashi, Y. 1993: Observation of the benthic organism around artificial reefs which protect snow crabs from being caught in the sea off Kaga, Ishikawa Prefecture. Technical Reports of Japan Marine Science and Technology Center Special Issue 9: 351-359
Tan, P.; He, C.; Zhang, Y.; Chang, H.; Gen, H.; Gong, T.; Yuan, X.; Xiong, X. 2000: Observation of the changes of the enzymes for histochemistry in Oncomelania hupensis after being immersed in different chemicals. Chinese Journal of Zoonoses 16(3): 34-37
Okui, K. 1984: Observation of the claws on the abdominal legs of certain saturniid larvae. International Congress of Entomology Proceedings 17: 928
Gacek, S. 1993: Observation of the collared pratincole (Glareola pratincola) in Beskid Maly Mts. Notatki Ornitologiczne 34(1-2): 173
Bels, V. 1987: Observation of the courtship and mating behaviour in the snake Hydrodynastes gigas. Journal of Herpetology 214: 350-352
Ichikawa, N. 1996: Observation of the creeping water bug Ilyocoris exclamationis. Insectarium 3312: 360-364: 395
Gong Shiyuan.; Yang Xuefen.; Yang Ruibin.; X.Y.ngquan.; L.S.ouhua.; Zhang Xunpu.; Liang Kaixue.; Liu Yingjie.; Yan Guozhang.; Wang Yanqing. 1997: Observation of the development of embryoes of Protosalanx hyalocranius in Wuhan region and their transplanting problem. Journal of Huazhong Agricultural University 16(5): 394-398
Lin Jianyin. 1988: Observation of the development of the vitelline cells by TEM in Schistosoma japonicum. Acta Zoologica Sinica 34(4): 378-379
Krivokhizhin, VI.; Chelyaev, SD.; Nikulshina, MP.; Medvedkova, EN. 1987: Observation of the dynamics of diamond back moth's flight in Siberia by means of pheromonic snares. Sibirskii Vestnik Sel'skokhozyaistvennoi Nauki 1: 29-32, 123, 124
Ogata, Y. 1988: Observation of the ecology of Coreana raphaelis (Lycaenidae) - larval association with ants. Insectarium 258: 248-253
Kanda, E. 1987: Observation of the egg and hatching by cerambycid beetles (Coleoptera). Konchu to Shizen 22(9): 11-16
Okazaki, H. 1984: Observation of the eggs of Japanese mayflies by scanning electron microscope. Biology of Inland Waters 3: 19-27
Cichocki, RF.; Bradford, AK. 1984: Observation of the external characteristics of Conus magus Linne, 1758, from the Philippine Islands. Carfel Philippine Shell News 66: 4-5
Murray Brooks, J. 1986: Observation of the feeding of black-throated blue warblers in Florida during migration. Florida Field Naturalist 144: 96-97
Chino, T. 1989: Observation of the foraging behaviour of deep-sea animals. Report of Japan Marine Science and Technology Center, 7-14
Topishko, OA.; Matus, AA. 1998: Observation of the great grey owl in Kiev. Berkut, 71-2: 49
Huang Feng.; Yan Ansheng.; Zhang Guirong.; Zou Guiwei.; Zhou Jian.; Peng Kelai. 2000: Observation of the histology of the digestive tract of Silurus meridionalis larvae. Journal of Huazhong Agricultural University 19(1): 59-63
Koblik, E.; Tsvetkov, A. 1998: Observation of the hybrid grebe in Moscow Region. Ornitologiya 28: 242-243
Croccolo, F.; Riccardi, C. 2008: Observation of the ion-mirror effect during microscopy of insulating materials. Journal of Microscopy 229(Part 1): 39-43
Gulliksen, B. 1990: Observation of the leatherback turtle (Dermochelys coriacea) in northern Norway (Nord-Troms) autumn 1989. Fauna (Oslo): 431: 45
Hamada, E.; Numanami, H.; Naito, Y.; Taniguchi, A. 1986: Observation of the marine benthic organisms at Syowa Station in Antarctica using a remotely operated vehicle. Memoirs of National Institute of Polar Research Special Issue 40: 289-298
Y.Shiyuan. 1997: Observation of the microvasculature casts of the Coluber spinalis and Bufo raddei lung under the scanning electron microscope. Zoological Research. Nov; 184: 347-349
Ohishi, H. 1998: Observation of the migration of Diptera at Higashiyama, Kyoto, Japan - preliminary report 1 -. Hana Abu 6: 19-25
Ohishi, H. 2000: Observation of the migration of Diptera at Higashiyama, Kyoto, Japan - preliminary report 3. Hana Abu 1: 71-73
Ohishi, H. 2001: Observation of the miogration of Diptera on Higashiyama, Kyoto, Japan - preliminary report 4. Hana Abu 1(2): 53-55
Nagato, Y. 1995: Observation of the monkey testes using semithin sections. Primate Research 11(1): 17-27
Gan, Y.-Ling.; Yang, X.-Ke.; Li, S.-Wen.; Wang, S.-Yong. 1999: Observation of the morphology of the genera Atrachya Dejean and Geinella Strand by using SEM. Acta Zootaxonomica Sinica. Apr; 242: 183-189
Naser, M.; Niamul.; Shafi, M. 1993: Observation of the mortality of magur, Clarias batrachus (L.) fry in oxygenated bags. Bangladesh Journal of Zoology 21(2): 147-148
Li, S.; Liu, W.; Xie, P.; Li, A.; Qin, M.; Peng, F.; Zhu, Y. 2008: Observation of the nighttime nitrate radical in Hefei, China. Journal of Environmental Sciences 20(1): 45-49
Miyamoto, T.; Saito, K. 1983: Observation of the planktonic larvae of gastropods in the coast of Hokkaido. Journal of Hokkaido Fisheries Experimental Station 404: 74-97
Corrigan, H. 1981: Observation of the popular and ever sought Aphyosemion cyanostictum. Journal of the American Killifish Association 141: 8-10
Barry, J.P.; Maher, N. 2000: Observation of the prickly shark, Echinorhinus cookei, from the oxygen minimum zone in Santa Barbara Basin, California. California Fish and Game 863: 213-215
Murakami, N. 1980: Observation of the respiratory movement of Oyamia gibba Klapalek larva. Biology of Inland Waters 1: 31-38
Kusunoki, R. 2001: Observation of the scale in Arctiidae. Yadoriga 190: 4-10
Hattori, M. 1995: Observation of the sea bottom in the habitat of Nautilus by a small remotely-operated vehicle. Kagoshima University Research Center for the South Pacific Occasional Papers 2(7): 25-30
H.Y.nglei.; Qiu Zhongliang.; Qiu Honggui.; Zhou Jianzhong.; Huang Juan.; Zhou Min. 1996: Observation of the sex behavior responses by Adoxophyes orana moths in different parts of China. Entomological Journal of East China 5(2): 57-61
Mathews, NJC. 1979: Observation of the shoebill in the Okavango Swamps. Ostrich, 503: 185
Shibata, S.; Takemoto, H. 2001: Observation of the three-dimensional morphology of the frontal sinus in Pan troglodytes. Primate Research 17(1): 1-11
Shikinaka, K.; Kwon, H.; Kakugo, A.; Furukawa, H.; Osada, Y.; Gong, J.P.; Aoyama, Y.; Nishioka, H.; Jinnai, H.; Okajima, T. 2008: Observation of the three-dimensional structure of actin bundles formed with polycations. Biomacromolecules 9(2): 537-542
Zhang Lin.; H.H.o. 1997: Observation of the ultrastructures of eggshell of Crossoptilon auritum with scanning electron microscopy. Xinan Nongye Daxue Xuebao. Apr; 192: 173-175
Moiseev, S.I. 1991: Observation of the vertical distribution and behavior of nektonic squids using manned submersibles. Bulletin of Marine Science 49(1-2): 446-456
Doupal, L. 1986: Observation of the yellow-browed warbler (Phylloscopus inornatus) Blyth. near Zahlinice. Zpravy Moravskeho Ornitologickeho Sdruzeni 44: 112
Webb, J.K. 1996: Observation of three dingoes killing a large lace monitor (Varanus varius). Australian Mammalogy ): 55-56
Wieme, G. 1980: Observation of three knots (Calidris canutus) inland.. Veldornitologisch Tijdschrift 34: 182
Kato, H. 1984: Observation of tooth scars on the head of male sperm whale, as an indication of intra-sexual fightings. Scientific Reports of the Whales Research Institute Tokyo 35: 39-46
Kotyman, L.; Baranyai, A. 2000: Observation of two steppe eagles (Aquila nipalensis) on Vasarhelyi-puszta (Southern Hungary). Aquila 1999(2000); 105-106: 158-159, 166-167
Moore, R.R.; Burt, C.T.; Roberts, M.F. 1985: Observation of tyrosine-O-phosphate in Drosophila melanogaster larvae by 31P-NMR spectroscopy. Biochimica et Biophysica Acta 846(3): 394-397
Yang, X.; Wang, S.; Scott, D.A.bert. 1994: Observation of wading birds and waterfowls at Ruoergal Marsh in summer. Chinese Journal of Zoology 29(3): 36-41
Appleyard, DC. 1978: Observation of wall lizards during hibernation. Herptile 24: 26-27
Skancke, G. 1982: Observation of white Sciurus vulgaris. Fauna (Oslo): 353: 141
Dymond, N. 2003: Observation of white-cheeked tits Aegithalos leucogenys in Himachal Pradesh, India and a review of the species's status in the Indian Himalayas. Bulletin of the Oriental Bird Club 3(8): 69-70
Zhuravlev, DV.; Pareiko, OA. 1999: Observation of whooper swans (Cygnus cygnus) in the Palessia State radio-ecological Reserve. Subbuteo 21: 43-44
Fang, z-y. et al. 1984: Observation on Ampittia dioscorides Fabricius. Entomological Knowledge 213: 115-116
Wada, S. 1998: Observation on Anax guttatus in Fukui Pref., 1998. Tombo (Tokyo) 41(1-4): 9-11
Khan, AM.; Bano, S. 1981: Observation on Bacillus sp. associated with the mycetocytes of Sitophilus granarius. Comparative Physiology and Ecology 63: 135-136
Wang, C-q.; Bai, R-x. 1991: Observation on Cicadella viridis L. in Heilongjiang Province. Entomological Knowledge, 284: 237
Liao, L.-fu.; Nie, S.-ling.; Wang, C. et al. 2001: Observation on Cricetulus migratorius hibernating phenomenon under artificial conditions. Difangbing Tongbao 16(4): 77-79
Ludlow, M.E. 1981: Observation on Crotalus v. viridis (Rafinesque) and the herpetofauna of the Ken-Caryl Ranch, Jefferson County, Colorado. Herpetological Review 12.2: 50-52
Su, Q. et al. 1992: Observation on Cryptosporidium of ultrastructure and oocyst shedding. Chinese Journal of Zoonoses 8(3): 2-4
Kibby, MR. 1982: Observation on Lepidoptera - 1982. Glasgow Naturalist, 203: 256
Makinen, V. 1984: Observation on Lixus paraplecticus (L.) (Curculionidae).. Notulae Entomologicae, 644: 201
Yang Yurong. 1998: Observation on Mesocoelium ovatum juvenile, adult and egg by scanning electron microscope. Journal of Xiamen University Natural Science. Mar; 372: 255-258 Sum 143
Bao, Z. et al. 1989: Observation on Oncomelania radula from Yulin County, Guangxi. Chinese Journal of Parasitology and Parasitic Diseases 71: 71
Makinen, V. 1984: Observation on Pachyta lamed (Cerambycidae).. Notulae Entomologicae, 644: 200
Imaoka, T. 1980: Observation on Psolus squamatus (Koren) from the Okhotsk Sea (Dendrochirota: Psolidae). Publications of the Seto Marine Biological Laboratory 25(5-6): 361-372
Khan, HA.; Khan, SA. 2003: Observation on Rafiqius bodenheimeri (Steiner 1936) Khan and Hussain 1998 and Discolaimus lahorensis Khan, 1998 from Karachi, Sindh. Pakistan Journal of Scientific and Industrial Research. November-December; 466: 462-464
Tsubuki, T. 2000: Observation on Sympetrum frequens and Sympetrum darwinianum at Soja City, Okayama Pref. in the early November. Symnet 8: 9
Rai, T.; Asahina, S. 1997: Observation on Sympetrum frequens at Chiba and Tokyo in 1997. Tombo (Tokyo) 40(1-4): 35-36
Khan, MR.; Khan, E. 1997: Observation on Tylenchorhynchus brevillineatus Williams, 1960 (=T. vulgaris Upadhyay et al., 1972) (Nematoda: Tylenchorhynchidae) with amended description. Indian Journal of Nematology 26(1): 15-18
Wada, S. 2000: Observation on a Y-shaped triple connection of Lestes temporalis Selys. Tombo (Tokyo) 42(1-4): 61-62
Jaitly, PN.; Jha, BC.; Singh, NK. 1980: Observation on a bacterial eye disease in Cirrhinus mrigala (Hamilton). Science and Culture 46(3): 101-103
Nishiki, H. 1991: Observation on a giraffe herd. Animals and Zoos 434: 4-7
Chen, G.; Chen, X.; He, Z. et al. 1998: Observation on a land leech and its blood-sucking habits from Henan. Chinese Journal of Zoology 33(2): 47-48
Gupta, SK. 1985: Observation on a new species of cephaline gregarine of the genus Didymophyes (Apicomplexa: Sporozoea) from a coleopteran, Oryzaephilus mercator. Indian Science Congress Association Proceedings 72(3): 80
Lan Bolong.; Kong Fang. 1993: Observation on abnormal mating of Penaeus chinensis. Oceanologia et Limnologia Sinica. Jan; 241: 114-116
Sharma, A.; Trivedi, S.; Shukla, A.N.; Shrivastava, S. 2003: Observation on activity recovery of mercury exposed freshwater fish by using an integrated aquatic macrophyte base system. Journal of Nature Conservation 15(2): 371-376
Sinovcic, G. 1985: Observation on age and growth of sardine, Sardina pilchardus (Walb.) in the middle Adriatic. Rapports et Proces-Verbaux des Reunions Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco 298: 81-82
Minakami, H. 1979: Observation on an abnormal mating behavior of Luehdorfia puziloi inexpecta Sheljuzhko (Lepidoptera, Papilionidae). New Entomologist, 282: 39
Dowling, R. 1982: Observation on an eastern kingsnake, Lampropeltis getulus getulus, encircled by a plastic ring. Bulletin of the Chicago Herpetological Society, 174: 102
Yoshida, M. 1991: Observation on an uloborid spider at Guilin. Atypus 97: 17-21
Agarwala, BK.; Ghosh, MR. 1984: Observation on aphids (Homoptera: Aphididae) infesting bamboo plants in Sikkim, north east India. Records of the Zoological Survey of India 81(3-4): 93-104
Huang, X.; Yu, J.; Liu, X.; Li, G.; Yang, Z.; Li, X.; Li, M. 1999: Observation on behaviors associated with gestation and parturition in giant pandas. Sichuan Journal of Zoology 28 November; 184: 179-181
Jiang, Ya-feng. 2002: Observation on behaviors of Rhabdophis tigrinus lateralis. Sichuan Journal of Zoology. Feb; 211: 29-31
Yang, G.C.; Yang, W.D.; Zhang, Y.J. 1997: Observation on biological characteristics of Chytonix segregata Butler. Entomological Knowledge 34(5): 276-279
Jia, E.-Xian.; Sun Xu.; Yang, Q.-Suo. 1996: Observation on biology of Deracantha onos Pallas. Entomological Knowledge 33(2): 81-82
Lu, H.-Chang.; Yang, L.-Hong.; Fang, X.-Tong. et al. 1995: Observation on bionomics of Dermacentor nuttalli Olenev in the pastoral area of Hulun Buir League, Nei Mongo (Inner Mongolia) Zizhiqu. Entomological Knowledge 32(5): 285-286
Hou, Yang-Kun. 1996: Observation on bionomics of Physokerms sugonjaevi Danzig. Entomological Knowledge 33(5): 285-286
Yin, Z. 1995: Observation on breeding behavior of axtificial feeding silver pheasant (Lophura nycthemera). Chinese Journal of Zoology 30(1): 50-51
Zhang, Y.-Wei.; Wu, Y.-Feng.; Wu, M.-Lu.; Li, D.-Ming.; Gao, Q.-Hua.; Jia, F.; Lu, S.-Hua.; Liu, Z.-Jie. 2003: Observation on breeding habits of Himantopus himantopus in Nandagang of Hebei Province. Chinese Journal of Zoology 38(5): 103-105
Xie, D.-Huan.; Qiu, Y.-Hong.; Guo, J.-Rong. 2001: Observation on breeding habits of little owl. Chinese Journal of Zoology 36(5): 57-59
Bulova, S.J. 1993: Observation on burrow use by captive desert tortoises. Desert Tortoise Council Proceedings of Symposium 17: 143-150
Fernelius, L-E. 1981: Observation on butterfly variations in Sipoo Linnanpelto.. Baptria (Helsinki): 63: 73-75
Mallick, B.; Sarkar, A. 1986: Observation on cadmium damage in ovary of common myna Acridotheres tristis. Proceedings of the Zoological Society 35(1-2): 23-25
Ghosh, S. 1981: Observation on carnivorous habit of an Irrawaddy squirrel, Callosciurus pygerythrus (Geoffroy). Journal of the Bombay Natural History Societ 77(2): 316-317
Terata, K.; Sakai, S. 1985: Observation on chromosomes of crickets (Gryllidae & Oecanthidae) (Orthoptera). Cytotaxonomic study on dermapterous & orthopteroid insects 2. Bulletin Daito Bunka University Natural Sciences 23: 141-155
X.X.ngjian.; Fang Tiangi. 1988: Observation on collecting Oncomelania hupensis when opening the sluices during flood season in Yangtze River. Kasetsart Journal Natural Sciences 223: 251-260
Zhou, H.-ning.; Zhang, Z.-xing. et al.; Li, H.-bin. 2003: Observation on collecting mosquitoes in human rooms by animal-shelter in Yunnan. Zhongguo Meijieshengwuxue Ji Kongzhi Zazhi. Aug; 144: 253-255
Miyata, A. 2000: Observation on copulation of Marumba sperchius (Lepidoptera, Sphingidae). Yugato 15(9): 31-35
Van Niekerk, Jh 1983: Observation on courtship in Swainson's francolin. Bokmakierie 35(4): 90-92
Liu, X. 1991: Observation on cytogenesis and development of the connective tissue in some freshwater mollusks. Journal of Fisheries of China 15(2): 124-129
Li, C.L.; Cao, F.J.; Liu, C.W.; Li, Z.F. 2002: Observation on development of blood cell in Plectorhinchus cinctus. Journal of Tropical Oceanography 21(3): 7-13
Li, C.-ling.; Cao, F.-jun.; Liu, C.-wu.; Shi, S.-li. 2001: Observation on development of haemocytes in Boleophthalmus pectinirostris. Journal of Fishery Sciences of China 8(1): 10-14
Li, X-S. 1990: Observation on distribution of Trichomonas vaginalis in axenic culture medium. Chinese Journal of Parasitology and Parasitic Diseases 82: 144
Sakaguchi, N.; Yamaya, S. 1986: Observation on dung-beetles (Onthophagus) in Iriomote Is., Okinawa Pref. Lamellicornia 2: 17-21
Y., Y.; L., Q.; Yu, R. 2003: Observation on early development of artificially induced androgenesis in Chlamys farreri. Journal of Fishery Sciences of China 10(5): 419-424
Liu, R.; Jia, H.-Wei.; Ning, J.-You. 2002: Observation on ecology and habits of the spectacled laughing thrush at Lishan of Shanxi Province. Chinese Journal of Zoology 37(1): 43-45
Zhong, F.-Sheng.; Chen, D.-Ping.; Yang, H.-Lin. 2002: Observation on ecology for heron in winter. Chinese Journal of Zoology 37(2): 69-70
Luo, S. et al. 1992: Observation on ecology of Lanius tephronotus. Sichuan Journal of Zoology 11(4): 12-13
Li, J.; Sun, X.; Zhao, F. 1993: Observation on effects of temperature and dissolved oxygen on ingestion of Penaeus chinensis. Journal of Fisheries of China. Dec; 174: 333-336
Nakamoto, E.; Sawai, Y. 1982: Observation on egg-laying in the Taiwan-habu, Trimeresurus mucrosquamatus (Cantor). Snake 142: 145-146
Peng, D.; Zhou, S.; Lin, J.; Shen, H.; Zhang, P. 1986: Observation on eggs of three species of Paragonimus and Pagumogonimus by scanning electron microscopy. Acta Hydrobiologica Sinica 102: 184-185
Li, H.-song.; Wu, G.-min.; Fan, Y.; Chen, K.-ci.; Li, D.-jiang.; Hu, Y.-chang.; Deng, G.-cheng. 2000: Observation on embryonic and larval development of Bidyanus bidyanus. Journal of Fishery Sciences of China 7(2): 5-9
Luo, J.; Wu, G.; Chen, K. et al. 1994: Observation on embryonic and larval development of the catfish (Clarias macrocephalus). Chinese Journal of Zoology 29(5): 16-20
Watanabe, Y. 1997: Observation on embryonic development and morphological characteristic of first instar larva in the dragonfly, Libellula angelina. Konchu to Shizen 32(7): 23-26
Yadav, SC.; Kumar, S.; Sharma, RL.; Gupta, SC. 1997: Observation on escaping site of cercariae from redia of Fasciola gigantica in Lymnea auricularia. Journal of Parasitic Diseases 21(2): 189-191
Wang, Y.; Guo, J.; Wu, W. et al. 1993: Observation on excysting behaviour of metacercaria of Paragonimus westermani. Chinese Journal of Zoology 284: 1-2
Gong, S.F.; Dai, H.G.; Xu, Y.H.; Fu, W.J. 2004: Observation on external morphology of antennal sensillum for three species of Trichogramma by scanning electron microscopy. Nanjing Nongye Daxue Xuebao ; 27(2): 55-59
Fei Liang et al. 1990: Observation on feeding habits, feeding consumption and tolerable time for starvation of Cynops cyanurus chuxiongensis. Chinese Journal of Zoology 252: 26-29
Hao, J.; Tan, Z.; Chen, Z. 1998: Observation on feeding quantities of Malacosoma neustria testacea larvae and determination of its control index. Senlin Bingchong Tongxun 3: 5-8
Li Chao,.; Mu You,.; Zheng Yi,.; Et Al 1997: Observation on five fleas infected with plague experimentally. Difangbing Tongbao ust 30; 12(3): 5-8
Cao, Ya-Zhong. 1994: Observation on flight behavior of black cutworm. Entomological Knowledge. Mar; 312: 71-73
Sriwastwa, V.; Gupta, P. 1978: Observation on free amino acids in the brain of some Indian teleosts. Comparative Physiology and Ecology 3(3): 123-124
Yin, D. et al. 1992: Observation on generation biology of Hepialus armoricanus. Sichuan Journal of Zoology 112: 21-22
Zeng, Z.-Nan.; Lin, Q.; Wu, J.-Shao.; Chen, M. 1998: Observation on gonadal development in triploid Ostrea cucullata. Journal of Fisheries of China 222: 97-105
Zhang, Qing-xia. et al. 2001: Observation on group behavior in winter of Phasianus colchicus. Sichuan Journal of Zoology 20(3): 159-160
Hua, Y.; Xiang, C.; Xu, X.; Zhang, X. 1993: Observation on group behavior of black finless porpoise, Neophocaena phocaenoides, near the beach using the net-surroundings in the Yangtze River. Journal of Fisheries of China 17(2): 120-125
Lu, W. 1994: Observation on growth and feeding habits of largemouth bass, Micropterus salmoides, larvae. Journal of Fisheries of China. Dec; 184: 330-334
Pan, G-x.; Chen, S-n. 1989: Observation on habits of Chilo suppressalis (Walker) damage to winter crops. Entomological Knowledge 264: 199-200
Sasaki, M. 1992: Observation on hibernating larvae of Neptis sappho intermedia W.B. Pryer: 1. Yadoriga 148: 15-18
Sasaki, M. 1995: Observation on hibernating larvae of Neptis sappho intermedia W.B. Pryer: 2. Yadoriga 160: 17-20
Hu, Z. 1993: Observation on histo-construction of oviducts during ovigerous period in Cuora galbinifrons. Chinese Wildlife 5: 32-34
Bao, X-z. 1982: Observation on insect migration by radar. Entomological Knowledge 196: 37-38
Olsen, J.; Olsen, P.; Jolly, J. 1979: Observation on interspecific conflict in the peregrine Falco peregrinus and other Australian falcons. Australian Bird Watcher 8(2): 51-57
Yang, Y. et al. 1996: Observation on juvenile Andrias davidianus nursing. Freshwater Fisheries 263: 27-28 No 191
Padron, FG.; Martinez, AP.; Prokes, M.; Libosvarsky, J. 1980: Observation on lengths, sex, growth and age of largemouth bass from Laguna del Tesoro (Cuba). Prirodovedne Prace Ustavu Ceskoslovenske Akademie Ved V Brne 144: 25-36
Siqinzhaorige.; Hudayoula.; Siqinbater. et al. 2000: Observation on life cycle of Hypoderma bovis at the Chifeng district, Inner Mongolia. Chinese Journal of Veterinary Science and Technology. Jan; 301: 26-27 Sum 269
Zhang, L-c. 1991: Observation on life habite of lady beetle, Coccinella septempunctata L. in summer. Entomological Knowledge, 281: 9
Horii, N. 1982: Observation on luminous Polychaeta, Odontosyllis undecimdonta from Toyama Bay, Japan Sea. Science Report of the Yokosuka City Museum 29: 1-3
Sinha, KK.; Sinha, DK. 1993: Observation on macrophytes associated benthic macrofauna in some freshwater ponds of Munger (Bihar). Journal of Ecobiology 5(2): 89-93
Chen, G.R.; Zhu, J.C. 1992: Observation on metacercariae of Paragonimus westermani by transmission electron microscopy. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 10(3): 222-224
Wang, H.-yuan.; Zhang, Y.-hui. 2004: Observation on microstructure and ultrastructure of sertoli cell in stream salamander (Batrachuperus tibetanus). Journal of Shaanxi Normal University Natural Science Edition. Mar; 321: 86-89 Sum No 99
L.Chengua. 1994: Observation on microstructure of central part in otolith of elver of Anguilla japonica by SEM. Marine Sciences (Beijing) 6: 60-62
Jiang, X. et al. 1985: Observation on morphology of Catatropis indicus (Trematoda: Notocotylidae) on different developing stages. Sichuan Journal of Zoology 43: 7-10
Kania, G. 1995: Observation on morphology of Polyxenus lagurus (Diplopoda: Polyxenidae). Przeglad Zoologiczny 39(1-2): 101-103
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D.H.ngqin,.; Chen Yuquan,.; Zhu Weiguo, 1991: Observation on the breeding habits of the collared Scops-owl. Zoological Research 12(2): 186
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H.Nan Agricultural College. 1987: Observation on the catching quantity of two spiders Lycosa pseudoannulata and Erigonidium graminicolum to the larvae of rice leaf roller and the nymph of rice plant hopper. Natural Enemies of Insects 92: 70-73
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Gopinadha Pillai, CS.; Jasmine, S. 1991: Observation on the community structure of brown mussel Perna indica from the intertidal rocky shores of Vizhinjam, southwest coast of India. Journal of the Marine Biological Association of India 33(1-2): 159-165
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Jiang Yafeng. 1987: Observation on the defensive behavior of Eremias argus in Liaoning Province. Acta Herpetologica Sinica 62: 72-73
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Shen, Y.-Jie.; Qian, D.-Yi. 1999: Observation on the development stage and bionomics of Ceracris kiangsu Tsai in the north Jiangxi. Entomological Knowledge 36(3): 144-146
Zhou, Y.-Kang.; Wang, R.-Ping.; Xia, T.-Sheng. et al. 2000: Observation on the distribution and function of pores in Chinese alligator's eggshells during different incubating stages. Chinese Journal of Zoology 35(3): 19-22
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Jin, L.Z.; Xu, J.J. 1992: Observation on the early development of inoculated Brugia malayi microfilariae in mosquitoes. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 10(4): 298-300
Zhao, K. 1984: Observation on the ecology of Mongolian steppe lemming Lagurus przewalskii Buechner. Acta Theriologica Sinica 43: 217-222
Liu Huangjin, 1985: Observation on the ecology of the hen harrler when the winter time. Zoological Research 6(4): 421-422
Baharav, D. 1983: Observation on the ecology of the mountain gazelle in the Upper Galilee, Israel. Mammalia 471: 59-69
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Huang Xiangfei. 1989: Observation on the egg and post-embryonic development time of some rotifers in Lake Donghu, Wuhan. Oceanologia et Limnologia Sinica 202: 184-191
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Pan Jionghua.; Zheng Wenbiao. 1982: Observation on the embryonic and larval development of Clarias fuscus. Acta Hydrobiologica Sinica 74: 437-444
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Zhang Longxian.; Ning Changshen.; Gao Baozhen.; Lang Limin.; W.N.ngpeng.; Liu Zhonghu.; Song Jianguo.; Zhao Jinfeng.; Tang Ruimao. 2000: Observation on the endogenous developmental stages of Cryptosporidium baileyi in poultry by SEM. Acta Veterinaria et Zootechnica Sinica 31(4): 341-348
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Pan Shiqing et al. 1988: Observation on the factors influencing the preparation of chromosome specimen of mosquitoes. Annual Bulletin of the Society of Parasitology Guangdong Province 10: 199-200
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Wang Bingxian.; Fan Zhigang.; Tang Bailian. 1984: Observation on the gonadal development and embryonic development of Xenocypris argentea Gunther. Acta Hydrobiologica Sinica 83: 271-287
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Cheng Gonghuang.; L.Y.chuan.; Cao Juntian.; T.X.uliang.; Zhu Junlin. 2000: Observation on the unhaired sensilla of the antenna of Periplaneta americana by SEM. Journal of Hubei University (Natural Science). Jun; 222: 195-196
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Y.S.iyuan.; Yang Shuiyue.; Wang Jianlin.; Wang Ziren.; Liu Zongzhi. 2001: Observation on the uterine artery casts of Rhinopithecus r. roxellanae and human. Journal of Lanzhou University Natural Sciences. Dec; 376: 86-91 Sum 138
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Johnston, C.E.; Shute, JR. 1997: Observational notes on the spawning behavior of the blue shiner (Cyprinella caerulea) and the holiday darter (Etheostoma brevirostrum), two rare fishes of the Conasauga River, Georgia and Tennessee. Southeastern Fishes Council Proceedings 3(5): 1-2
Baretta, J.W.; Baretta-Bekker, H.J. 1998: Observational requirements for validation of marine ecosystem models in the Mediterranean. Rapports et Proces-Verbaux des Reunions Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco 351: 18-20
James, J.; Tiwari, L.; Swahney, P.; Srinivas, V.; Francis, R.Marry.; Kumar, N. 2007: Observational sickness assessment by the NICU staff nurses. Indian Journal of Pediatrics 74(2): 123-125
Sossai, P.; Amenta, F.; Porcellati, C. 2007: Observational study of hypertension in Matelica, Italy (Matelica hypertension study). Clinical and Experimental Hypertension 29(8): 531-537
Kopka, A.; Wallace, E.; Reilly, G.; Binning, A. 2007: Observational study of perioperative PtcCO2 and SpO2 in non-ventilated patients receiving epidural infusion or patient-controlled analgesia using a single earlobe monitor (TOSCA). British Journal of Anaesthesia 99(4): 567-571
Sauro, A.M.; Frank, E.S. 1997: Observational study of the behavior of the Queensland koala at the Milwaukee County Zoo. American Zoo and Aquarium Association Regional Conference Proceedings, 590-594
Bongiovanni, M.; Gianotti, N.; Chiesa, E.; Nasta, P.; Cicconi, P.; Capetti, A.; di Biagio, A.; Matti, A.; Tirelli, V.; Marconi, P.; de Luca, A.; Mussini, C.; Gatti, F.; Zaccarelli, M.; Abeli, C.; Torti, C.; Antinori, A.; Castagna, A.; d'Arminio Monforte, A. 2007: Observational study on HIV-infected subjects failing HAART receiving tenofovir plus didanosine as NRTi backbone. Infection 35(6): 451-456
Gagnon, L.-Olivier; Tu, L.M.i 2008: Observational study on the implantation of the TVT-SECUR under local anesthesia. The Journal of Urology 179(4): 513
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Magunacelaya, JC.; Chiappa, E.; Toro, H.; Guerrero, P. 1986: Observationes preliminares sobre la alimentacion de Vespula germanica (F.) (Hymenoptera: Vespidae), en el zona central de Chile. Revista Chilena de Entomologia 13: 55-58
de Armas, LF.; Alayon Garcia, G. 1987: Observationes sobre la ecologia Trofica de una poblacion de Argiope trifasciata (Araneae: Araneidae). en el sur de la Habana. Poeyana 344: 1-9
Cirio, U.; Savino, F.; Robinson, AS.; Capparella, M. 1988: Observationi sul comportamento in campo di popolazioni selvatiche e di laboratoric di laboratoric di Ceratitis capitata Wied. Atti del Congresso Nazionale Italiano di Entomologia 15: 951-956
Ehret, J-M. 1988: Observations (especes nouvelles pour la Bourgogne) et nouvelle synonymie concernant les Apioninae (Col. Curculionidae). Bulletin Trimestriel de la Societe d'Histoire Naturelle et des Amis du Museum d'Autun 127: 19-23
Johnson, S. 1978: Observations - the nudibranchs. Hawaiian Shell News 26(7): 4
Anonymous. 1983: Observations August 1982 - April 1983. Papua New Guinea Bird Society Newsletter, 32-38 Nos 201-202
Anonymous. 1982: Observations June-August 1982. Papua New Guinea Bird Society Newsletter 193-194: 37-42
Hicks, R.; Gregory-Smith, R.; Burrows, I.; Hopkins, M.; Hopkins, H.; Wahlberg, N.; Lambley, P. 1987: Observations September-December 1986. Papua New Guinea Bird Society Newsletter 227: 8-13
Dufourny, H. 1992: Observations a Conde-sur-l'Escaut (59,SE) en mai 1992. Heron. Octobre; 252: 54-57
Rose, L. 1995: Observations a Koksijde (B-8670) en 1993 et a Polleur-Theux (B-4910) pendant le deuxieme semestre 1993. Cercle des Lepidopteristes de Belgique Bulletin 235-6: 140-143
de Brichambaut, J-P. 1986: Observations a Noirmoutier. Alauda 542: 148-149
du Buit, M-H.; Ozouf-Costaz, C.; Quero, J-C. 1989: Observations a concarneau de Cryptopsaras couesi et Ceratias sp. (Pisces, Lophiiformes, Ceratiidae), especes nouvelles pour la faune ichtyologique francaise. Leur distribution en Atlantique nord-est. Cybium, 132: 192
Milbled, T. 1985: Observations a la colonie de larides de Merlimont (Pas-de-Calais). Heron, 1: 65
Bufftaut, E.; Rage, J-C. 1982: Observations a la note de C. Mourer-Chauvire 'Premiere indication de la presence de phorusrhacides, famille d'oiseaux geants d'Amerique du sud, dans le Tertiaire Europeen: Ameghinornis nov. gen. (Aves, Ralliformes) des phosphorites du Quercy (France)'. Geobios (Villeurbanne): 152: 267-268
Souquet, P.; Fondecave-Wallez, M.-Jose. 1995: Observations a la note de M. Bilotte. Mise au point et donnees nouvelles sur l'organisation sequentielle, la biostratigraphie et la grade-datation dans le Campanien -Maastrichtien sous-pyreneen (Ariege, Haute-Garonne). Geologie de la France 4: 51-58
Vianey-Liaud, M. 1982: Observations a la note de N. Mayo (1980) sur les Archaeomyinae de Oensingen et Mumliswil (Oligocene de la molasse suisse). Eclogae Geologicae Helvetiae 753: 689-696
Coppa, G. 1992: Observations a propos de carnivores trouves morts sur les routes du departement des Ardennes. Bulletin de la Societe d'Histoire Naturelle des Ardennes 82: 56-58
Radnai, F. 1998: Observations about Megasoma actaeon actaeon L. (Coleoptera: Dynastidae). Y E S Quarterly. Jan-Mar; 151: 1-6
Belcari, P.; Biagi, F.; Biagi, V. de Ranieri, S.; Mori, M.; Pellegrini, D. 1986: Observations about cephalopod distribution in the northern Tyrrhenian Sea. Rapports et Proces-Verbaux des Reunions Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco, 302: 246
Singh, R. 1993: Observations about enteric plexuses of digestive tract of a teleostean fish. Indian Journal of Zoological Spectrum 1992- ; 41-2: 29-33
Sincai, M.; Marcu, A. 1994: Observations about placenta development in several rodents. Ciencia Rural. jan-abr; 241: 205-207
Veromann, H. 1989: Observations about the swift. Eesti Loodus. Juni; 6: 382-384
Guix, JCC.; Salvatti, M.; Peroni, MA.; Lima-Verde, JS. 1989: Observations additionnelles sur le comportement et la reproduction de Chelonoidis carbonaria (Spix, 1824) en captivite (Testudines-Testudinidae). Grupo de Estudos Ecologicos Serie Documentos 1: 20-31
Dintheer, C. 1983: Observations aeriennes sur la distribution et le comportement des cetaces autour de la Corse. Rapports et Proces-Verbaux des Reunions Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco 285: 207-208
Arena, P. 1981: Observations aeriennes sur la distribution et le comportement du thon rouge, Thunnus thynnus (L), en Mer Tyrrhenienne. Rapports et Proces-Verbaux des Reunions Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco 275: 151-154
Serov, GD. 1991: Observations after a nest of the swift (Apus apus). Ornitologiya 25: 207
O'Briain, M. 1985: Observations along the Irish east coast, winter 1983/84, of brent geese banded in the Canadian high arctic. Irish East Coast Bird Report 1984: 56-58
Nkouka, N. 1980: Observations anatomiques chez la larve de Thrips tabaci Lind. Annales De Zoologie Ecologie Animal 11(3): 347-354
Orsi, AM.; Pinto e Silva, P.; Mello Dias, S. de Melo, VR. 1980: Observations anatomiques sur l'epididyme de la saringue Sud-Americaine (Didelphis azarae). Zentralblatt fuer Veterinaermedizin Reihe C: 92: 164-168
Zintl, H. 1981: Observations and a theory on the building style change in the Potamophylax latipennis (Curt.) Neb. - Trichoptera, Limnephilidae. Proceedings of the International Symposium on Trichoptera 3: 441-447
Luo, M.; Jiang, L.-Ke.; Gan, Y.-Ling.; Song, X.-Fen. 2001: Observations and analyses of C. flavomarginata blood cell's submicroscopic structure by electron microscopy. Chinese Journal of Zoology 36(5): 9-13
Werner, Y.L.; Bouskila, A.; Davies, SJJF.; Werner, N. 1997: Observations and comments on active foraging in geckos. Russian Journal of Herpetology. January-June; 41: 34-39
Graf, W. 1981: Observations and comments on deer control and wildlife management in New Zealand. New Zealand Wildlife 8 17-21(64): 23-25
Metz, R. 1983: Observations and comments on recent 'tadpole nests' from New Jersey. Bulletin of the New Jersey Academy of Science 28(2): 61-66
Groves, JD. 1980: Observations and comments on the post-parturient behaviour of some tropical boas of the genus Epicrates. British Journal of Herpetology 6(3): 89-91
Arvidson, BE.; Eriksson, U.; Lindell, U. 1985: Observations and experiences with willow warblers' territory formation and breeding biology.. Fauna och Flora (Stockholm): 803: 111-120
Bauer, RT. 1989: Observations and experiments on grooming behavior of the tropical stomatopod Gonodactylus oerstedii. Collana U.Z.I. Selected Symposia and Monographs 3: 99-104
Picozzi, N.; Cuthbert, MF. 1982: Observations and food of hen harriers at a winter roost in Orkney. Scottish Birds 123: 73-80
Sanderson, BG.; Okubo, A.; Webster, IT.; Kioroglou, S.; Appeldoorn, R. 1995: Observations and idealized models of dispersion on the southwestern Puerto Rican insular shelf. Mathematical and Computer Modelling 21(6): 39-63
Mckenzie, K.G.; Abe, K. 2000: Observations and interpretations on surface swarming behavior by some marine Ostracoda and its possible correlation with their mating strategies. Crustacean Issues 12: 239-251
Elbel, R.E.; Bossard, R.L. 2007: Observations and larval descriptions of fleas (Siphonaptera: Ceratophyllidae, Ctenophthalmidae, Ishnopsyllidae) of the southern flying squirrel, little brown bat, and Brazilian free-tailed bat (Mammalia: Rodentia, Chiroptera). Journal of Medical Entomology 44(6): 915-922
Craddock, P. 2001: Observations and maintenance of Xenotilapia papilio (Buscher 1990). Cichlidae 22-24
Dils, J. van der Poorten, D. 1985: Observations and notes concerning Thersamonia thetis Klug with description of the populations of south and central Greece (Lepidoptera: Lycaenidae: Lycaeninae). Phegea 134: 109-112
Briscoe, MG. 1980: Observations and notes on the breeding of Siamese fighting fish. Aquarist and Pondkeeper, 458: 37
Townson, S. 1980: Observations and notes on the captive breeding of the green sea turtle (Chelonia mydas) on Grand Cayman, British West Indies. British Herpetological Society Bulletin 1: 11-17
Reason, D.; Reason, B. 1993: Observations and notes on the keeping and breeding of Chamaeleo calyptratus. ASRA Journal, 49-59
Oppenoorth, F. 1992: Observations and reactions of readers. The mating of avocet and blackwinged stilt. Natura (Hoogwoud). juni; 895: 112-113
Benson, D G.; Jr. 1985: Observations and recommendations on the fossil dinocyst genera Ctenidodinium, Dichadogonyaulax, and Korystocysta. Tulane Studies in Geology and Paleontology 18(4): 145-155
Kirby, RE.; Fuller, MR. 1978: Observations and reinterpretation of kingfisher-raptor interactions. Auk 953: 598-599
Hallchurch, TT. 1982: Observations and ringing in the Tyneham Valley/Warbarrow Bay area of Lulworth Ranges 1981. Army Bird Watching Society Bulletin, 1: C2-C5
Gotto, RV.; Threadgold, LT. 1980: Observations and speculations on the alate processes of the ascidicolous copepod Notopterophorus papilio (Cyclopoida: Notodelphyidae). Journal of Zoology (London): 1903: 337-363
van Gompel, J. 1991: Observations and strandings of Cetacea on the Belgian coast, 1975-1989. Lutra 341: 27-35
Armstrong, M. 1979: Observations and treatment during illness of an Indian python. Herptile 43: 7-8
Chapman, G. 1979: Observations and treatment during illness of black rat snake (Elaphe obsoleta obsoleta). Herptile 4(2): 35-36
de Preter, P. 1978: Observations at Geel.. Wielewaal 44.8-9: 279
Barritt, MK. 1984: Observations at South Georgia in 1982. Sea Swallow 33: 37-39
Copping, RJ. 1979: Observations at Suffolk starling roosts. Suffolk Natural History 181: 47-51
Kington, B.L. 2000: Observations at a Eurasian hobby's nest in West Midlands County, 1999. West Midland Bird Club Annual Report 1999? ; 66: 12-16
van Balen, S.; Dewi, D.; Jepson, PR. 1994: Observations at a Jawa hawk-eagle nest. Tropical Biodiversity 22: 329-331
Williams, MD. 1979: Observations at a breeding colony of yellow-crowned night herons in Blount County, Tennessee. Migrant 503: 53-55
Hauge, KS. 1981: Observations at a capercaillie lek in Norway. World Pheasant Association Journal 1980- ; (6): 73-79
Van Impe, J. 1992: Observations at a collective roost in whimbrel Numenius phaeopus and curlew N. arquata. Oriolus 58(1): 1-5
Freeman, J.; Wunder, L. 1988: Observations at a colony of the Brazilian free-tailed bat (Tadarida brasiliensis) in southern Colorado. Southwestern Naturalist 331: 102-104
Chittenden, H.; Myburgh, N. 1994: Observations at a crowned eagle's nest (chick feeds on berries). Birding in Southern Africa. Summer; 464: 112-114
Tayles, KV. 1981: Observations at a curlew nest. Magpie 2: 41-45
Davidar, ERC. 1991: Observations at a hyaena Hyaena hyaena (Linn.) den. Journal of the Bombay Natural History Societ 87(3): 445-447
Robbins, MB.; Wiedenfeld, DA. 1982: Observations at a laughing falcon nest. Wilson Bulletin 941: 83-84
Knapton, RW.; Maturi, S. 1984: Observations at a major crow roost in St. Catharines, Ontario. Ontario Birds 21: 46-48
Rogers, D T.; Jr.; Jackson, JA.; Schardien, BJ.; Rogers, MS. 1979: Observations at a nest of a partial albino red-headed woodpecker. Auk 961: 206-207
Bancroft, J. 1981: Observations at a nest of a red-vented bulbul. Elepaio 425: 42-43
Beste, H. 1982: Observations at a nest of eastern grass owls. Australian Bird Watcher 95: 154-157
Whitmore, MJ.; Eller, CM. 1983: Observations at a nest of painted honeyeaters. Emu 833: 199-202
Bringeland, R. 1981: Observations at a nest of pygmy owl. Var Fuglefauna 43: 172-174
O'Daniel, Donna, L. 1997: Observations at a nest of the Madagascar wagtail Motacilla flaviventris. Ostrich 68(1): 19-22
Whittingham, M.J. 1994: Observations at a nest of the Pacific royal flycatcher Onychorhynchus coronatus occidentalis. Bulletin of the British Ornithologists' Club 27: 131-132
Jackson, HD. 2002: Observations at a nest of the fiery-necked (pectoral) nightjar, Caprimulgus pectoralis. Ostrich 73(1-2): 62-64
Stoyanov, G.; Petkov, P.; Tenchev, P.; Stanchev, M. 1988: Observations at a nest of the goshawk (Accipiter gentilis) in Sofia.. Ornitologicheski Informatsionen Byuletin, 23-24: 44-52
Earle, R.A. 1978: Observations at a nest of the grass owl. Ostrich 49(2): 90-91
Manata, R. 2002: Observations at a nest of the grey-headed imperial pigeon Ducula radiata. Forktail 1(8): 159
Wander, SA.; Wander, W. 1985: Observations at a northern waterthrush nest. Journal of Field Ornithology, 561: 69
Wood, T.M.; Gallo, F.; Donahue, P.K. 1992: Observations at a paradise tanager nest. Wilson Bulletin 104(2): 360-362
Blomgren, A. 1983: Observations at a pine grosbeak, Pinicola enucleator, nest. Var Fagelvarld 42(5): 343-346
de Ridder, M. 1987: Observations at a roosting site of the white wagtail.. Wielewaal 53: 199-201 r
Adams, JT. 1987: Observations at a sandhill crane's nest. Florida Naturalist 604: 2-5
Nuttall, RJ. 1993: Observations at a small pan near Bultfontein, Orange Free State. Mirafra 10(4): 71-72
Mundahl, JT.; Johnson, OL.; Johnson, ML. 1981: Observations at a twenty-egg kildeer nest. Condor 832: 180-182
Dantu, S. 2001: Observations at a white-throated canary nest. Lanioturdus, 342: 28
Bancroft, J. 1986: Observations at a yellow-bellied sapsucker nest. Blue Jay 443: 191-193
Pollard, CJW. 1989: Observations at an African skimmer colony at the Victoria Falls. Honeyguide 351: 21-22
Seavy, N.E. 2000: Observations at an Ayres' hawk-eagle nest in Kibale National Park, Uganda. Journal of Raptor Research 34(1): 59-60
Petroczy, T. 1985: Observations at bird feeding places.. Buvar, 405: 232
Lynch, C. 2000: Observations at exceptionally large redwing roost. British Birds 93(3): 147-148
Avery, MI.; Cockerill, RA. 1982: Observations at lesser spotted woodpecker's nest. British Birds, 758: 378
Fischer, HW. 1991: Observations at nests of tawny pipits Anthus campestris on the Doornspijkse Heide in 1942 and 1943. Limosa 644: 165-167
Tremont, S.; Williams, B. 1999: Observations at nests of the painted honeyeater Grantiella picta. Australian Bird Watcher 18(2): 49-58
McAney, CM.; Fairley, JS. 1989: Observations at summer roosts of the lesser horseshoe bat in Co. Clare. Irish Naturalists' Journal 231: 1-6
Glaves, D.J. 2001: Observations at the Starcross turnstone roost, 1999/2000 - short report. Devon Bird Report 72: 178-181
Marceta, B. 1991: Observations at the daytime resting place of the barn owl.. Proteus 53(5): 163-168
Shallenberger, R.J. 1977: Observations at the nest of a Hawaiian hawk. Elepaio 37(7): 74-75
Danckwerts, B. 1979: Observations at the nest of a bateleur (Terathopius ecaudatus). Bulletin Zambian Ornithological Society 111: 12-15
Leach, GJ.; Lloyd, CG.; Hines, HB. 1987: Observations at the nest of a painted snipe Rostratula benghalensis in south-east Queensland. Australian Bird Watcher 121: 15-19
Brooks, T.M.; Kirathe, J.N. 1997: Observations at the nest of the blue-headed bee-eater Merops muelleri. Scopus 19(2): 65-68
Sollien, A.; Nesholen, B.; Fosseidengen, JE. 1978: Observations at the nest of three-toed woodpecker Picoides tridactylus. Cinclus 11: 58-64
Hall, DG. 1979: Observations at three longcrested eagle nests in the Nelspruit district. Bokmakierie 313: 65-71
Leduc, A.; Tombal, J-C. 1989: Observations au dortoir, de faucons emerillons Falco columbarius et d'eperviers d'Europe Accipiter nisus de Neuville-sur-Escaut (Nord). Heron 222: 91-99
Bentivegna, F.; Toscano, A. 1991: Observations au laboratoire sur le comportement alimentaire de trois especes de la superfamille Tonnoidea (Mollusca, Gastropoda). Revue Francaise d'Aquariologie Herpetologie 18(2): 33-38
Hohl, F. 1994: Observations au sujet de la chenille de S. pyri (Lep. Saturniidae). Lambillionea 94(1): 101-102
Moens, R. 1983: Observations au sujet de la predation de Zonitoides nitidus Muller sur Lymnaea truncatula Muller. Bulletin d'Ecologi 13(3): 273-282
Matsakis, J.; Frentzos, A.; Magoulas, A.; Molfetas, S.; Bournazos, D. 1984: Observations bio-ecologiques sur certaines populations insulaires de Ligidium de Grece (isopode, oniscoide). 1. Eubee. Biologia Gallo-Hellenica 111: 137-147
Marcuzzi, G. 1987: Observations biogeographiques sur les Tenebrionidae des iles Dalmates (Coleoptera: Heteromera). Bulletin de la Societe Zoologique de France, 1121-2: 81-115
Zibrowius, H. 1978: Observations biologiques au large du Lavandou (Cote mediterraneenne de France) a l'aide du sous-marin Griffon de la Marine Nationale. Travaux Scientifiques du Parc National de Port-Cros 4: 171-176
Guenot, B. 1984: Observations biologiques sur Acanthopsyche modesta Bourgogne dans la region de Port-Gentil (Gabon). Bulletin de l'Institut Fondamental d'Afrique Noire, A 42(4): 807-811
Turki, S. 1988: Observations biologiques sur Artemia dans les salines de Megrine. Bulletin de l'Institut National Scientifique et Technique d'Oceanographie et de Peche de Salammbo 15: 39-45
Pearson, G.R.; Skelton-Stroud, P.N.; Orford, C.R. 1985: Observations by light microscopy and transmission electronmicroscopy on intestinal spirochaetosis in baboons (Papio spp.). Journal of Medical Microbiology 19(3): 359-366
Laurent, L. 1991: Observations cetologiques en Mediterranee occidentale. Vie et Milieu 414: 263-269
Tzannetatou-Polymeni, R. 1987: Observations comparatives sur les populations de Mertensiella luschani (Steindachner), des iles Kastellorizo, Karpathos, Kassos et Saria (Amphibia, Salamandridae). Biologia Gallo-Hellenica 12: 445-450
Cavallo, O.; Gaudant, J. 1987: Observations complementaires sur l'ichthyofaune des marnes Messiniennes de Cherasco (Piedmont): implications geodynamiques. Bollettino della Societa Paleontologica Italiana 26(1-2): 177-198
Gaudant, J. 1979: Observations complementaires sur l'ichthyofaune des marnes messiniennes des environs d'Alba (Piemont, Italie). Geobios (Villeurbanne): 123: 411-421
His, E.; Maurer, D.; Robert, R. 1986: Observations complementaires sur les causes possibles de anomalies de la reproduction de Crassostrea gigas (Thunberg) dans le Bassin d'Arcachon. Revue des Travaux de l'Institut des Peches Maritime 481(2): 45-54
Dowsett-Lemaire, F.; Dowsett, RJ. 1991: Observations complementaires sur quelques grands mammiferes dans le bassin du Kouilou au Congo. Tauraco Research Report 4: 291-296
Fausser, J. 1979: Observations concernant Papilio hospiton Gene en Haute-Corse. Bulletin de Liaison de l'Association Entomologique d'Evreux 5: 18-19
Teocchi, P. 1987: Observations concernant Rhizotrogus vicinus Mulsant (Coleoptera, Melononthinae). Entomologiste 43(3): 172
Philippart, J C. 1979: Observations concernant l'efficacite de la peche a l'electricite dans une riviere de la zone a Barbeau. BULLETIN FRANCAIS DE PISCICULTURE: 157-172 (273)
Brustur, T.; Alexandrescu, G. 1992: Observations concernant l'ichnogenre Taphrhelminthopsis Sacco 1888. Romanian Journal of Paleontology 75: 1-5
Exbrayat, J.; Delsol, M.; Flatin, J. 1982: Observations concernant la gestation de Typhlonectes compressicaudus (Dumeril et Bibron, 1841), amphibien Apode vivipare. Bulletin de la Societe Zoologique de France 107(3): 486
Haimovici, S.; Comanescu, G. 1979: Observations concernant la morphologie du systeme circulatoire arteriel chez Natrix natrix (Reptilia - Ophidia). Anuarul Muzeului de Stiinte Naturale Piatra Neamt Seria Botanica-Zoologie 4: 249-253
Flohart, G.; Raevel, P. 1983: Observations concernant la premiere nidification du guepier d'Europe (Merops apiaster) dans le Pas-de-Calais. Heron 3: 100-116
Dupuy, AR. 1979: Observations concernant la reproduction du marabout et du pelican gris au Senegal et en Gambie. Notes Africaines 164: 110-111
Eytorff, J-M. 1982: Observations concernant le croisement male canari x femelle chardonneret. Journal des Oiseaux 157: 20-21
Istrate, G. 1980: Observations concernant les galeries de l'insecte Dendroctonus micans Kug. (l'hylesinegeant) dans les forets d'epicea du massif Rarau (Suceava). Suceava Annuarul Muzeului Judetean Fascicola Stiintele Naturii 6: 27-39
Petran, A.; Onciu, T. 1981: Observations concernant les migrations nycthemerales d'Acartia clausi de la cote Roumaine (Mer Noire). Rapports et Proces-Verbaux des Reunions Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee Monaco 277: 187-188
Brudea, V. 1980: Observations concerning Orthoptera's presence in clover crops in Moldavia. Suceava Annuarul Muzeului Judetean Fascicola Stiintele Naturii 6: 43-65
Nye, PE.; Suring, LH. 1978: Observations concerning a wintering population of bald eagles on an area in southeastern New York. New York Fish and Game Journal 252: 91-107
Wojtowski, F. 1979: Observations concerning the biology and utilization possibilities of solitary bee. Osmia rufa L. (Apoidea, Megachilidae). Roczniki Akademii Rolniczej w Poznaniu 111: 203-208
Simionescu, A. 1978: Observations concerning the flight of the bark beetles of spruce in 1976 in comparison with 1975 in Romania. Suceava Annuarul Muzeului Judetean Fascicola Stiintele Naturii 5: 81-95
Hofer, HO. 1985: Observations concerning the pineal morphology of Primates. Developments in Endocrinology 16: 347-358
Bonney, R. 2002: Observations count. Wild Earth 2001- Fall-Winter; 113-4: 18-23
Francois, R.; Delasalle, J.F.; Spinelli, F. 2003: Observations d'Ischnura pumilio (Charpentier, 1825) dans des champs inondes de la Somme et de l'Oise. Bilan des connaissances du Pas-de-Calais, de Seine-Maritime et du Val-d'Oise. tinia embre; ): 83-91
Gilot, F. 1998: Observations d'aigles bottes (Hieraaetus pennatus) a Cernay (Haut-Rhin) en 1996. Ciconia Eguelshardt 22(2): 73-75
Podor, M. 1986: Observations d'aigles royaux (Aquila chrysaetos) dans l'Yonne. Alauda 54(2): 148
Hutchinson, R. 1992: Observations d'araignees (Araneae) qui capturent des demoiselles et des libellules (Odonata: Zygoptera, Anisoptera) au Quebec et importance du phenomene. Pirata 11: 130-133
Daske, D. 1985: Observations d'eiders a duvet Somateria molissima a Kembs (Haut-Rhin). Ciconia (Eguelshardt): 92: 118-120
Lionnet, G. 1984: Observations d'histoire naturelles faites aux Seychelles en 1768 au cours de l'expedition Marion-Dufresne. Mauritius Institute Bulletin 101: 15-73
Cavin, L. 1994: Observations d'individus melaniques chez le lezard vivipare (Lacerta vivipara Jacquin, 1787) et le lezard des souches (Lacerta agilis Linne, 1758). Bulletin de la Societe Herpetologique de France 65-66: 76-78
le Calvez, V. 1994: Observations d'odonates dans la region du Puisaye (Departement de l'Yonne). Martinia. Juin; 102: 21-22
Duval, B. 1989: Observations d'odonates dans les Pyrenees-Orientales (66), l'Aude (11) et l'Ariege (09). Martinia 52: 41-42
Reinhardt, K. 1992: Observations d'odonates en Corse. Martinia 82: 41-43
Hazet, G. 1992: Observations d'odonates sur l'etang de Loperhet (departement du Morbihan). tinia 8(4): 93-94
de Ridder, M. 1978: Observations d'oiseaux en basse-Casamance. 2. Biologisch Jaarboek 46: 115-127
Roubert, F. 1984: Observations d'oiseaux rares a l'ile du Rhin du Rohrschollen pres de Strasbourg, de 1980 a 1983. Ciconia (Eguelshardt): 81: 64-65
Simenov, P. 1992: Observations d'un albatros a sourcils noirs Diomedea melanophris (Temminck, 1928) au large du Cap Corse (Mer Ligure, Mediterranee). Alauda 603: 173-174
Calame, F. 1990: Observations d'un elanion blanc, Elanus caeruleus, pres de Cartigny, Geneve. Nos Oiseaux. Decembre; 408: 480-481
Francois, J. 1983: Observations d'un labbe a longue queue, Stercorarius longicaudus, dans le Doubs (France). Nos Oiseaux, 371: 36
Quero, J-C. 1979: Observations d'un photophore maxillaire (MXO) nouveau pour les Searsiidae (Pisces, Clupeiformes), chez Sagamichthys schnakenbecki (Krefft 1973). Cybium 7: 99-100
Lecaille, R. 1986: Observations d'une mouette de sabine (Larus sabinii) a Madine. Ciconia (Eguelshardt): 103: 157-158
Reille, A. 1989: Observations dans l'ocean Indien. Oiseau et la Revue Francaise d'Ornithologie 593: 222-223
Siki, M. 1992: Observations dans le Parc National du Paradis des oiseaux (Bandirma, Balikesir). Journal of the Faculty of Science Ege University Series B: 141: 53-64
Keymeulen, A. 1995: Observations de Brenthis daphne D. & S. dans le nord-est de la France en 1974 (Lepidoptera Nymphalidae). Lambillionea 95(3): 392
Coin, J. 1992: Observations de Charaxes jasius L. dans le Gare en 1990 et 1991 (Lepidoptera Nymphalidae). Alexanor, 177: 420
Pages, J. 1985: Observations de Colotis evagore nouna Lucas en Andalousie. Nota Lepidopterologica 8(3): 286-288
Vincent, T. 1988: Observations de Delphinus delphis (Linne, 1758) en Seine Maritime. Arvicola 42: 57-58
Orieux, G. 1995: Observations de Meconema meridionale Costa dans le departement de la Nievre (Orthopt. Meconemidae). Entomologiste 51(3): 139
Miegeville, M.; Marjolet, M.; Vermeil, C. 1978: Observations de Schistosoma mansoni en microscopie electronique a balayage. Comptes Rendus Hebdomadaires Des Seances De L'academie Des Sciences Serie D Sciences Naturelles: 28611: 901-903
Dubois, P.; Riols, C. 1980: Observations de bernaches a cou roux Branta ruficollis Pall. en Champagne humide durant l'hiver 1978/79. Oiseau et la Revue Francaise d'Ornithologie 50(3-4): 346-347
Flacher, G.; Mathieu, R. 1981: Observations de bruant des nieges (Plectrophenax nivalis) dans la moyenne vallee du Rhone et la basse valle e de la Drome. Bievre 21: 103-104
Saucy, F. 1988: Observations de campagnols terrestres de la forme fouisseuse (Arvicola terrestris scherman (Shaw)) prelevant leur nourriture a la surface du sol. Mammali 51(4): 625-629
Sorbi, S.; Robbrecht, G.; Steeman, C.; Wille, E. 1990: Observations de cassenoix mouchetes (Nucifraga caryocatactes) nicheurs. Feuille de Contact de la Societe d'Etudes Ornithologiques "Aves" 27(1): 39-47
Stahl, J C. 1982: Observations de cetaces dans le sud-ouest de l'Ocean Indien. Annales de la Societe des Sciences Naturelles de la Charente: 59-63 Suppl
Hotker, H.; Bruns, HA.; Dietrich, S. 1990: Observations de chevaliers combattants (Philomachus pugnax) s'alimentant de cacahuetes. Oiseau et la Revue Francaise d'Ornithologie 604: 312-314
Bouvier, M. 1980: Observations de cigognes noires Ciconia nigra dans les Hautes-Alpes. Alauda 48(2-3): 151
Prieur, D. 1980: Observations de coupes histologiques en microscopie electronique a balayage: application a l'etude de microorganismes dans le tractus digestif de Mytilus edulis. Comptes Rendus Hebdomadaires Des Seances De L'academie Des Sciences Serie D Sciences Naturelles: 29015: 1087-1089
Lefranc, N.; Boet, M.; Boet, M. 1989: Observations de couples mixtes Lanius senator/Lanius collurio en France. Breve synthese des cas d'hybridation connus chez les Laniides d'Europe. Alauda 572: 109-118
Steimer, F. 1979: Observations de cygnes de Bewick (Cygnus bewickii) et des cygnes sauvages (Cygnus cygnus) dans les inondations du Ried Centre Alsace. Ciconia (Eguelshardt): 32: 121-122
Riols, C. 1979: Observations de demoiselles de numidie Anthropoides virgo L. en Champagne. Alauda, 471: 35
Blanchon, J-J.; Dubois, P.; Yesou, P. 1983: Observations de goelands a bec cercle Larus delawarensis sur le littoral atlantique francais. Alauda 512: 148-150
Grubac, BR. 1983: Observations de gypaete barbu (Gypaetus barbatus aureus) dans la macedoine du nord-ouest. Larus 1981- ; 33-35: 135-140
Franchimont, J. 1985: Observations de herons gardeboeufs (Bubulcus ibis) en plumage partiellement bleu-ardoise. Feuille de Contact de la Societe d'Etudes Ornithologiques "Aves" 22(2): 129-130
Mouton, J. 1979: Observations de l'hypolais polygotte Hippolais polygotta dans le Nord et le Pas-de-Calais. Heron 1: 70-74
Joveniaux, A.; Roblin, J.; Laferrere, M. 1982: Observations de l'outarde barbue, Otis tarda, dans le Val de Seille (Jura F.). Nos Oiseaux 36(8): 376-378
Launay, G. 1988: Observations de la chouette de Tengmalm Aegolius funereus dans la foret de la Sainte Baume (Var). Faune de Provence, 9: 91
Bairlein, F. 1985: Observations de la migration des rapaces palearctiques dans le Sahara algerien. Alauda 532: 140-144
Fournier, A. 1983: Observations de la nidification et de l'elevage des couvees chez la grive litorne (Turdus pilaris) dans le canton de Berlaimont. Heron 4: 1-19
Schahl, G. 1984: Observations de labbes en Alsace. Ciconia (Eguelshardt): 83: 163
Muller, Y.; Muller, M-J. 1979: Observations de mesanges remiz (Remiz pendulinus) en Lorraine. Ciconia (Eguelshardt): 32: 119-120
Rose, M. 1980: Observations de nouvelles especes. Bulletin de Mayenne-Sciences, 1977: 127
Genevois, F. 1994: Observations de petrels-tempete de Wilson Oceanites oceanicus en mue au large de l'archipel des Acores. Alauda 622: 143-144
Weissenberger, T.; Righetti, J-F.; Vogel, P. 1983: Observations de populations marquees de la musaraigne aquatique Neomys fodiens (Insectivora, Mammalia). Bulletin de la Societe Vaudoise des Sciences Naturelles 764: 381-390
Zingg, P. 1986: Observations de quelques especes de chauve-souris peu frequentes et reprises d'individus bagues dans les cantons de Berne et de Soleure. Rhinolophe 2: 6-8
Groliere, C-A. de Puytorac, P.; Grain, J. 1980: Observations de quelques especes de cilies endocommensaux d'Echinides du Golf du Mexique et de la Mer des Antilles. Protistologica 162: 233-239
Muller, M. 1982: Observations de quelques hivernants rares en Alsace sur une ancienne graviere pres de Strasbourg. Ciconia (Eguelshardt): 62: 133-134
Poutouli, W. 1995: Observations de quelques parasitoides oophages rencontres sur Heteropteres au Togo. Journal of African Zoology 15 September; 1093: 259-267
Allain, B. 1993: Observations de rhopaloceres en aout 1922 entre Faup et le Port d'Aula, Ariege. Premiere contribution a la connaissance des rhopaloceres de la Haut-Ariege (Lepidoptera Rhopalocera). Alexanor. octobre-decembre; 184: 203-206
Bretagnolle, V. 1982: Observations de rollier d'europe Coracias garrulus L. dans de Trieves. Bievre 4(2): 159-160
Gonseth, Y. 1991: Observations de terrain: un outil indispensable pour la protection de la nature. Bulletin Romand d'Entomologie 91: 41-47
Sorbi, S. 1987: Observations de tichodromes echelettes (Tichodroma muraria) en Belgique. Feuille de Contact de la Societe d'Etudes Ornithologiques "Aves" 24(1): 34-38
Duguy, R.; Duron, M.; Alzieu, C. 1980: Observations de tortues luth (Dermochelys coriacea L.) dans les Pertuis charentais en 1979. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 67: 681-691
Duguy, R.; Duron, M. 1981: Observations de tortues luth (Dermochelys coriacea L.) sur les cotes de France en 1980. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 68: 819-825
Duguy, R.; Duron, M. 1982: Observations de tortues luth (Dermochelys coriacea L.) sur les cotes de France en 1981. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 69: 1015-1020
Duguy, R.; Duron, M. 1983: Observations de tortues luth (Dermochelys coriacea) sur les cotes de France en 1982. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 71: 153-157
Duguy, R.; Duron, M. 1984: Observations de tortues luth (Dermochelys coriacea) sur les cotes de France en 1983. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 72: 227-230
Duguy, R.; Duron, M. 1985: Observations de tortues luth (Dermochelys coriacea) sur les cotes de France en 1984. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 73: 381-384
Duguy, R. 1989: Observations de tortues luth sur les cotes de France en 1989. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 78: 959-960
Duguy, R. 1992: Observations de tortues marines en 1991 (Atlantique). Annales de la Societe des Sciences Naturelles de la Charente-Maritime 81: 35-37
Duguy, R. 1993: Observations de tortues marines en 1992 (Atlantique). Annales de la Societe des Sciences Naturelles de la Charente-Maritime 82: 129-131
Duguy, R. 1994: Observations de tortues marines en 1993 (Atlantique). Annales de la Societe des Sciences Naturelles de la Charente: 235-238
Duguy, R. 1995: Observations de tortues marines en 1994 (Atlantique). Annales de la Societe des Sciences Naturelles de la Charente-Maritime. Mars; 84: 403-406
Laurent, L.; Oliver, G.; Nougarede, J.P.; Groul, J.M.; Robert, P.; Cheylan, M.; Finelli, F.; Bompar, J.M.; Dhermain, F. 1997: Observations de tortues marines en Mediterranee francaise: donnees anciennes inedites, annees 1996 et 1997. Faune de Provence 18: 95-101
Duguy, R. 1988: Observations de tortues marines sur les cotes de France (Atlantique et Manche) en 1988. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 77: 821-824
Duguy, R. 1986: Observations de tortues marines sur les cotes de France en 1985. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 74: 543-546
Duguy, R. 1987: Observations de tortues marines sur les cotes de France en 1986. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 75: 641-642
Duguy, R. 1988: Observations de tortues marines sur les cotes de France en 1987. Annales de la Societe des Sciences Naturelles de la Charente-Maritime 76: 727-728
Barille, L. 1994: Observations des elements structuraux intervenant dans les mecanismes de nutrition preingestifs chez l'huitre japonaise Crassostrea gigas. Haliotis 23: 126-137
Verschuren, J. 1986: Observations des habitats et de la faune apres soixante ans de conservation. Exploration du Parc National des Virunga 26: 1-44
D.Valliere, N. 1979: Observations des migrateurs nocturnes. Ciconia Eguelshardt 3(1): 68-70
Ritter, W.; Leclercq, E.; Koch, W. 1985: Observations des populations d'abeilles et de Varroa dans les colonies a differents niveaux d'infestation. Apidologi 15(4): 389-400
Boukhalfa, H.; Bonafonte, P. 1979: Observations des populations de l'aleurode des citrus, Dialeurodes citri Ashmead (Hom. Aleurodidae) dans la plaine de la Mitidja (Algerie), pendant la periode hivernal et post-hivernal. Fruits Paris 34(1): 43-52