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Identification of compounds with anti-West Nile Virus activity
Geological age of the Ptilophyllum flora; a critical reassessment
Nira (Co 86032) - a new variety of sugarcane for Maharashtra
Occurrence of Eutrichophilus mexicanus (Rudow, 1866) and Eutrichophilus lobatus (Ewing, 1936) (Phthiraptera: Trichodectidae) on Sphiggurus villosus (Cuvier, 1825) (Rodentia: Erethizontidae) in Rio de
An assessment of water quality of river ganga at garhmukteshwar ghaziabad uttar pradesh india
The identity of the lipstick mold of cultivated mushrooms agaricus bisporus
Comparison of rice bran and maize bran as feeds for growing and fattening pigs
The composition of pampas-grass (Cortaderia argentea.)
Studies on feeding of tapioca thippi (tapioca or cassava starch waste) to swine
Effects of drum rolling on yield of summer groundnut
Integrated farming system for gardenland conditions of Coimbatore district - an over view
Influence of a decision analysis model on selection of drug therapy
Comparative performance of West Coast Tall and Lakshadweep Ordinary cultivars of coconut
Evaluation of WCT coconut and Komadan coconut
Cellars as hibernation sites for bats
Donkioporia expansa - A lesser known wood destroyer in buildings
The Bangla adaptation of Mini-Mental State Examination (BAMSE): An instrument to assess cognitive function in illiterate and literate individuals
Enterobacter amnigenus. An unusual human pathogen
'Rajeshwari' - a high-yielding white seeded variety of sesame for Andhra Pradesh
Gymnosperms of Sikkim, India
The great Coalinga cricket invasion
Psoriasis: correlation between severity index (PASI) and quality of life index (DLQI) in patients assessed before and after systemic treatment
Real-time PCR assays for the specific detection of monkeypox virus West African and Congo Basin strain DNA
Classification of fermented foods: worldwide review of household fermentation techniques
The biology of human starvation: some new insights

List of PDF Full Texts available from EurekaMag Chapter 23226

Chapter 23226 contains a list of PDF Full Texts available from EurekaMag.




Observations on the present state of embryology
, Symposia of the Society for Experimental Biology 2: 351-365 (1948)

Observations on the prevalence of Tabanus species on the college campus
, Philippine Journal of Veterinary Medicine 4: 152-158 (1967)

Observations on the prey and predacious habits of various Empididae (Diptera)
, Journal of the Society for British Entomology 4: 90-93 (1952)

Observations on the primary features of the newiy hatched zoeal larvae of the zuwai-crab, Chionecetes opilio O. Fabricius
, Bulletin of the Japan Sea Regional Fisheries Research Laboratory 20: 91-93 (1968)

Observations on the primitive pyramidal system of the American opossum
, Brain Behavior and Evolution 2: 498-529 (1969)

Observations on the probable effects of salinity on the spawning development and setting of the Indian backwater oyster Ostrea madrasensis Preston
, Proceedings of the Indian Academy of Sciences, 33B 231-256 (1951)

Observations on the Problem of the Proprioceptive innervation of the Tongue
, Journal of Anatomy 72(Pt 4): 502-507 (1938)

Observations on the proboscis-cytopharynx complex and flagella of Rhynchomonas metabolita Pshenin, 1964 (Zoomastigophorea: Bodonidae)
, Journal of Protozoology 20(3): 385-393 (1973)

Observations on the process of transferring spermatophores in Acomatacarus yosanoi Fukuzumi et Obata 1953 with a description of the male and female genitalia
, Chinese Medical Journal 78: 283 (1959)

Observations on the process of wound repair in penaeid shrimp
, Journal Invertebrate Path 221: 23-33 (1973)

Observations on the production of purple pigments in the egg capsules, hypobranchial and reproductive glands from seven species of Muricidae (Gastropoda: Mollusca)
, Invertebrate Reproduction and Development 46(2-3): 93-102 (2004)

Observations on the production of wing scalloping in Drosophila melanogaster
, Univ California Publ Zool 49(1/7): 1-29 (1942)

Observations on the progeny of virgin ants
, Wood's Hole Mass Marine Biol Laboratory Bulletin, 9 355-360 (1905)

Observations on the propagation of the wood lemming (Myopus schisticolor)
, Zoologisk Revy 26: 102-108 (1964)

Observations on the propulsion of lymph through the mesenteric lymphatic vessels of the living Rat
, Anatomical Record Philadelphia 57: 345-330 (1933)

Observation on the proteolytic enzymes in the digestive fluid of the barnacle Balanus nubilus
, Comparative Biochemistry and Physiology. A Comparative Physiology 51(2): 471-474 (1975)

Observations on the protoplasmic component of the epidermal gland in living oncospheres of Hymenolepis dimlnuta
, Transactions of the American Microscopical Society 86: 68 (1967)

Observations on the protozoa of larval Tipula trivittata
, Proceedings of the Society of Protozoologists, 3: 13 (1952 )

Observations on the protozoan infestations of American Indian children in the United States
, Journal of Parasitology Urbana 19: 178 (1932)

Observations on the pulsating organs in the legs of certain Hemiptera
, Am: 13-19 (1884)

Observations on the pupae of bees (Hymenoptera: Apoidea)
, Pan-Pacific Entomologist 30: 63-70 (1954)

Observations on the pupal diapause of the orange dog (Papilio anchisiades L.)
, Tropical Agriculture 14: 170-171 (1937)

Observations on the pupal stage of the purple hair-streak (Thecla quercus L. )
, Entomologist's Record and Journal of Variation 8912: 346-347 (1977)

Observations on the pupal wings of Nepticula, with comparative notes on other genera
, AnnSoc. Amer. Columbus: 233-239 (1917)

Observations on the pupation of Dytiscus marginalis L. and Hydrous (Hydrophilus) piceus L
, Essex Naturalist Stratford 24: 215-222 (1934)

Observations on the purple-throated Carib hummingbird. Eulampis jugularis
, Avicultural Mag 2(4): 201 (1976)

Observations on the purple-throated fruit-crow in Guyana
, Living Bird: 5-7 (1971)

Observations on the pygmy whitefish, Prosopium coulteri, from Bull Lake, Montana
, Copeia 2: 124-127 (1954)

Observations on the quill mites (Acari: Syringophilidae) from charadriiform birds
, Zootaxa 115(6): 51-64 (2006)

Observations on the racquettips of the Motmot's tail
, The Auk 67(3): 387-389 (1950)

Observations on the radula of Adalaria proxima
, Proceedings of the Malacological Society of London 33: 49-56 (1958)

Observations on the rainbow lizard
, Nigerian Field 393: 137-140 (1974)

Observations on the rainbow smelt in Lake George, New York
, New York Fish and Game Journal 231: 13-19 (1976)

Observations on the range and movements of a woodland population of the common shrew Sorex araneus L
, Proceedings Zool Society London 140(3): 533-546 (1963)

Observations on the ranging behaviour and daily activity of lone silverback mountain gorillas (Gorilla gorilla beringei)
, Animal Behav 244: 889-897 (1976)

Observations on the rare triggerplant Stylidium coroniforme (Stylidiaceae) and the description of two allied taxa of conservation concern
, Nuytsia 17: 433-444 (2007)

Observations on the rat infestation of Cotobato, the Philippines
, Proceedings 9th Pacific Science Congress Bangkok 19: 34-43 (1961)

Observations on the rate of decay of soft-shell clams (Mya arenaria)
, Ecology 34: 640-641 (1953)

Observations on the rate of excretion of Hymenolepis nana eggs in children
, Meditsinska Parazitologiimage I Parazitarnye Bolezni Medicine Parasitol and Parasitic Disease 12(2): 72-80 (1943)

Observations on the rate of growth and longevity of Trochus niloticus Linn. in the Andaman Islands
, Records of the Indian Museum 88: 473-498 (1936)

Observations on the rate of growth and maturity of Litomosoides carinii, a filarial worm of the cotton rat
, Journal of Parasitology 32(6): 570-573 (1946)

Observations on the rate of growth of the trematode Postharmostomum laruei McIntosh 1934
, Journal of Parasitology Urbana 25: 509-510 (1939)

Observations on the rate of growth, sexual maturity and brain of four sedentary organisms from the Madras Harbour
, Journal of the Marine Biological Association of India 5: 113-132 (1963)

Observations on the rate of growth, sexual maturity and breeding of four sedentary organisms from the Madras Harbour
, Jbiol. Ass. India: 113-132 (1962)

Observations on the rate of heart-beat in the various stages of the tiger beetle, Cicindela cancellata Dej
, Current Science 37: 108 (1968)

Observations on the rate of maturation of the cat osteon
, Journal of Anatomy 99(Pt 3): 539-549 (1965)

Observations on the rattlesnake Crotalus atrox by Berlandier 1829-1851
, Bulletin of the Chicago Herpetological Society 38(7): 138-142 (2003)

Observations on the reaction of the mata mata turtle Chelys fimbriata to ultra violet radiation
, International Zoo Yearbook 9: 31-32 (1969)

Observations on the reactions of Asterias forbesii to Light
, Science New York NY: 35: 192 (1912)

Observations on the reactions of Cryptobranchus and Necturus to light and heat
, Wood's Hole Mass Marine Biol Laboratory Bulletin, 11 93-99 (1906)

Observations on the reactions of marine plankton to light
, Jour Marine Biol Assoc United Kingdom 19(1): 385-438 (1933)

Observations on the rearing and behaviour of young duikers in captivity
, Nigerian Field 31: 118-131 (1966)

Observations on the rearing of a Cuckoo
, Emu Melbourne, 6 120-126 (1907)

Observations on the recaptures of tagged lobsters in Scotland
, Marine Res Ser Scottish Home Dept 2: 1-12 (1955)

Observations on the recently extinct mollusk fauna of Panamint Lake
, Nautilus 69(3): 100-103 (1956)

Observations on the recession of malaria in an area of southwestern Georgia
, American Journal of Tropical Medicine and Hygiene 30(5): 651-661 (1950)

Observations on the reciprocal immunity between some avian plasmodia
, Parasitology 43(1-2): 139-147 (1953)

Observations on the recolonization of denuded intertidal rocks
, Jour Univ Bombay 24(5): 12-24 (1956)

Observations on the reconstructed skeleton of Diplodocus Carnegiei as set up by Dr. W. J. Holland in the Natural History Museum in London
, Geological Magazine London Dec 6: 4 356-370 (1917)

Observations on the recovery of a British river from gross organic pollution
, Hydrobiologia 25(1/2): 9-51 (1965)

Observations on the recruitment of Musculista senhousia (Mollusca, Bivalvia) in the Taranto seas (Eastern-Central Mediterranean Sea)
, Biogeographia 31 Ottobre; 25: 55-63 (2004)

Observations on the recruitment of Scleractinian coral in the Gulf of Mannar, India
, Journal of the Marine Biological Association of India. July-December; 452: 235-237 (2003)

Observations on the red earth boa or Russel's earth-snake
, Journal of the Bombay Natural History Society 57: 671-672 (1960)

Observations on the red goral Nemor haedus cranbrooki and the Burmese takin Budorcas t taxicolor at Rangoon Zoo
, International Zoo Yearbook 7: 225-226 (1967)

Observations on the red-necked grebe nesting in Michigan. Wilson
, Bull 891: 33-46 (1977)

Observations on the red-water ciliate Mesodinium rubrum Lohmann in Ghanaian coastal water
, Bulletin de l'Institut Fondamental d'Afrique Noire, A 38(2): 235-240 (1976)

Observations on the reflex immobilization of Mimastra cyanura Hope (Col.)
, Sinensia Nanking 13: 125-129 (1942)

Observations on the regeneration and transplantation of antlers in deer Cervidae
, Folia Biol 9(1): 47-99 (1961)

Observations on the regeneration in Hydractinia epiconcha Stechow and Hydrocoryne miurensis Stechow
, Botany and Zoology Tokyo 62: 372-378 (1938)

Observations on the regeneration in Syncoryne nipponica
, Annotationes Zoologicae Japonenses 19: 255-261 (1940)

Observations on the regeneration of amputated legs of Rhopalosiphum nymphaeae (Linn.)
, Hemiptera Indian J Ent New Delhi 14: 153-157 (1952)

Observations on the regeneration of the anterior end in the Lumbricidae
, Revue Zoologique Russe 1: 326-334 (1916)

Observations on the relapse activity of Plasmodium fieldi in the rhesus monkey
, Journal of Parasitology 57(1): 29-32 (1971)

Observations on the relation between flower (n-8962 j) color and insects
, Psyche Boston: 27-30 (1914)

Observations on the relation between nucleolus and chromo-somes in salivary gland nuclei of some South African Drosophilids
, Transactions of the Royal Society of South Africa 29: 63-74 (1942)

Observations on the Relation between Salivary Gland Chromosomes and Multiple Chromosome Complexes
, Proceedings of the National Academy of Sciences of the United States of America 22(3): 186-187 (1936)

Observations on the relation of carbon dioxide and oxygen to the development of certain amphibian embryos
, New York Proceedings of the Society for Experimental Biology and Medicine, 9 104-106 (1912)

Observations on the relation of egg content to total length and weight in the sockeye salmon (Oncorhynchu-nerka) and the pink salmon. (O. gors buscha)
, Transactions of the Royal Society of Canada 3: 35: 51-60 (1941)

Observations on the relation of nutrition to enoystation in Hartmannella rhysodes Singh
, Journal of Protozoology (Suppl): 8: 15 (1961)

Observations on the relations of some physico-chemical features and DVM of Paradiaptomus africanus in Lakes Bishoftu-Guda and Hora-Arsedi, Bishoftu, Ethiopia
, Limnologica - Ecology and Management of Inland Waters 39(3): 0-243 (2009)

Observations on the relations of the organ of Jacobson in the Horse
, P Soc. N. S. Wales: 9-13 (1896)

Observations on the relationship between haemolysates and erythropoiesis in mice and rabbits
, British Veterinary Journal 124(12): 554-559 (1968)

Observations on the relationship between the food and survival of Pseudocalanus elongatus in the laboratory
, J Mar Biol Ass U K 45(1): 49-58 (1965)

Observations on the relationship between the survival of unfed Trombicula larvae (T. akamushi var. deliensis) and the temperature and relative humidity
, Acta Microbiologica Sinica 8: 8-16 (1960)

Observations on the relationship between the survival of unfed Trombicula larvae (T. akamushi) and the temperature and relative humidity
, Science Abstracts of China, no. 3: 9 (1963)

Observations on the relationships between hummingbirds and Erythrina species
, Lloydia 373: 482-487 (1974)

Observations on the relationships betweenseveral species of tropical zoanthids (Zoanthidea, Coelenterata) and their Zooxanthellae
, J exp mar Biol Ecol 7: 207-214 (1971)

Observations on the relationships of the genera Circaeus Yablok. and Mycterus Clairv. with a description of the presumed larva of Mycterus (Col. Heteromera)
, Eos Madrid 40: 99-107 (1964)

Observations on the relative abundance, size variation and sex difference on the penaeid prawns in the Cochin backwaters
, Bulletin Dep mar Sci Univ Cochin 73: 503-510 (1975)

Observations on the relative sizes of three species of salamander larvae in a Maryland pond
, Herpetologica 24: 242-264 (1968)

Observations on the release of gastroliths from ostrich chick carcasses in terrestrial and aquatic environments
, Journal of Taphonomy 12: 97-103 (2003)

Observations on the release of spermatozoa and on changes in the during passage through the epididymis
, Journal of Reproduction and Fertility Suppl, 405-418 (1969)

Observations on the releasing of the European beaver
, Acta Theriologica 1925: 370-374 (1974)

Observations on the remains of Mammals found in a Fossil State in Ireland
, Journal Dublin Geological Society, IV 246-248 (1877)

Observations on the renal-portal perfusion in etherized Birds
, Journal of Morphology Philadelphia 51: 309-318 (1931)

Observations on the reproduction and age structure of the fox, Vulpes vulpes L. , in New South Wales
, Australian Wildl. Res.: 3(1): 11-20 (1976)

Observations on the reproduction and development of Vervet monkey with special reference to intersubspecific hybridization Cercopithecus pygerythrus F. Cuvier
, Rep. Jersey Wildl. Preserv. Trust 7: 20-31,3 pis (1970)

Observations on the reproduction and development of a West Indian frog, Leptodactylua olbilabris (Grunther)
, ASB Bull, 2: 5 (1955)

Observations on the reproduction and development of vervet monkey with special reference to intersubspecific hybridization (Cercopithecuspygerythrus F. Cuvier, 1821)
, Mammalia 35: 598-609 (1971)

Observations on the reproduction and distribution of the green snake, Opheodrys vernalis (Harlan)
, Natural History Miscellanea, 1-11 (1954)

Observations on the reproduction and feeding of the Cape Kurper Sandelia capensis (C. and V.) in De Hoop Lake, Bredasdorp
, Invest Rep Dep Nat Conserv Cape of Good Hope, No 3: 1-12 (1963)

Observations on the reproduction of Aristaeomorpha foliacea (Crustacea, Aristeidae) in the SE. Ionian Sea
, Rapport du Congress de la CIESM: 36: 281 (2001)

Observations on the reproduction of Conochiloides coenobasis Skorikov and the statement of a physiological category of females new to heterogonous Rotifera
, Zoologicheskii Zhurnal 39: 670-677 (1960)

Observations on the reproduction of Nyctiphanes couchii (Bell) and Meganyctiphaneas norvegica (Sars) off the South Coast of Ireland
, Proceedings of the Royal Irish Academy 40: 194-232 (1932)

Observations on the reproduction of Python molurus bivittatus (Reptilia, Serpentes, Boidae)
, Journal Herpet 104: 333-340 (1976)

Observations on the reproduction of female wild and park Fallow deer (Dama dama) in southern England
, J, Lond: 27-37 (1969)

Observations on the reproduction of the Naididae with certain facts of geographical dis- tribution of the Indian Microdrili
, Proceedings of the Indian Science Congress 14: 195 (1927)

Observations on the reproduction of the dart, during an attempt to breed from a sinistral Helix aspersa, Mull
, Journ: 33-38 (1892)

Observations on the reproduction of the wild rabbit (Oryctolagus cunicvlus L.) at varying latitudes and altitudes in New Zealand
, New Zealand Journal of Science 5: 463-474 (1962)

Observations on the reproduction period of Greenland Seals (Histriophoca groenlandica oceanica Lepechin)
, CR Acad Sci Moscow, Vol. 2: 47-48 (1936)

Observations on the reproduction, early larval development, and colony astogeny of Conopeum tenvissimum (Canu)
, Chesapeake Science 144: 270-278 (1973)

Observations on the reproduction, growth and longevity of a laboratory colony of Archachatina (Calachatina) marginata (Swainson) subspecies ovum
, Proceedings of the Malacological Society of London 415: 395-413 (1975)

Observations on the reproduction, maturity, and sexual relations of the Food fishes
, Report of the Fishery Board for Scotland, X 232-243 (1892)

Observations on the reproductive activities, measurements, and growth rate of the Dikdik (Rhynchotragus kirkii thomasi Neumann)
, Proceedings of the Zoological Society of London 124: 751-784 (1955)

Observations on the reproductive and general morphology of Streblospio benedicti Webster
, Biological Bulletin Marine Biological Laboratory Woods Hole, 133: 462 (1967)

Observations on the reproductive behavi-our of the mantis, Acontiothespis multicolor
, Journal of the Trinidad Field Naturalists Club, 53-56 (1967)

Observations on the reproductive behavior of the maomao, a Hawaiian damsel fish
, Proceedings Hawaiian Academy of Science 34: 22 (1959)

Observations on the reproductive behaviour of the black bullhead (Ictalurus melas)
, Copeia 1967: 852-853 (1968)

Observations on the reproductive behaviour of the least shrew
, Bulletin Ecol Soc Am, 524: 23 (1973)

Observations on the reproductive biology and early postnatal development of the panther, Panthera pardus L., in captivity
, Journal Bombay nat Soc: 293-304 (1976)

Observations on the reproductive biology of Pseudomys (Rodentia: Muridae)
, Journal of Mammalogy 53(2): 318-328 (1972)

Observations on the reproductive biology of the American ringed snake Leptodeira annulata at East Berlin Zoo
, International Zoo Yearbook 9: 54-56 (1969)

Observations on the reproductive biology of the Kellet's whelk, Kelletia kelletii (Gastropoda: Neptuneidae)
, Veliger 12: 319-324 (1970)

Observations on the reproductive biology of the dibbler.Antechinus apicalis (Marsupialia: Dasyuridae)
, Journal RWest. Aust: 99-102 (1971)

Observations on the reproductive cycle of Agama stellio picea
, Herpetologica 26: 149-155 (1970)

Observations on the reproductive cycle of cynopterus sphinx sphinx Vahl, 1797 (Chiroptera: Pteropidae)
, Journal of Mammalogy 55(1): 200-202 (1974)

Observations on the reproductive cycle of Cyprinodon diabolis
, Copeia 3: 610-613 (1973)

Observations on the reproductive cycle of Urophonius brachycentus (Thorell, 1877) (Scorpiones, Bothruiridae)
, Physis Buenos Aires 29: 131-139 (1969)

Observations on the reproductive cycle of the American badger (Taxidea taxus)
, Symposia of the Zoological Society of London 15: 27-45 (1966)

Observations on the reproductive cycle of the swamp chorus frog, Pseudacris nigrita
, Copeia 1959: 2063-266 (1960)

Observations on the reproductive cycle, age and growth of the salema, Sarpa salpa (Osteichthyes: Sparidae) along the western central coast of Italy
, Scientia Marina 70(1): 131-138 (2006)

Observations on the reproductive cycles of Monodonta lineata, Gibbula umbilicalis and G. cineraria
, Marine Biol Berlin 174: 333-340 (1972)

Observations on the reproductive ecology of Siphonops paulensis Boettger, 1892 (Gymnophiona: Caeciliidae) in Bolivia
, Salamandra 41(1-2):: 91-94 (2005)

Observations on the reproductive ecology of the great blue heron (Ardea herodias) in western Oregon
, Murrelet 581: 7-12 (1977)

Observations on the reproductive habits of captive Etheostoma cragini Gilbert
, Southwestern Naturalist 16(3-4): 439-441 (1972)

Observations on the reproductive habits of darters (Pisees-Percidae)
, American Midland Naturalist 59: 190-212 (1958)

Observations on the reproductive pheromones of mice. 1. Source: 407-414, 3 figs., 8 tabs. 2. Neuro-endocrine mechanisms involved in the olfactory block to pregnancy:
, Journal of Reproduction and Fertility 11: 415-421 (1966)

Observations on the reproductive physiological status of mature herd bulls, bachelor bulls, and young bulls in the hippopotamus. Hippopotamus amphibius amphibius Linnaeus
, General and Comparative Endocrinology 26(1): 92-95 (1975)

Observations on the reproductive success in 26 nests of the marsh harrier (Circus aeruginosas) in Skane Province, Sweden
, Oologists' Record 41: 23-28 (1967)

Observations on the reproductive system of the female of Myobatrachus gouldii (Gray)
, West Australian Naturalist 7: 1-6 (1959)

Observations on the reproductive system, egg-case, embryos and breeding habits of Chiloscyllium griseum Mull. and Henle
, Proceedings of the Indian Academy of Sciences, B 7: 252-269 (1938)

Observations on the resistance of Leishtnania brasiliensis cultivated at different temperatures.
, Arquivos do lnstituto Biologico Sao Paulo 11: 5-9 (1940)

Observations on the resistance of Tigriopus fulvus (Fischer) to changes of temperature and salinity
, Journal of the Marine Biological Association of the United Kingdom 36: 115-119 (1957)

Observations on the respiration of Austrabis glabratus and some other aquatic snails
, Biological Bulletin Wood's Hole 95: 199-213 (1948)

Observations on the Respiration of Trypanosoma Cruzi in Culture
, Journal of General Physiology 30(2): 163-175 (1946)

Observations on the respiration of the crab, Gelasimus annulipes
, Broteria Serie Ciencias Naturais 37: 111-117 (1968)

Observations on the respiration of the sabellid polychaete Schizobranchia insignis
, Biological Bulletin Wood's Hole 121: 82-91 (1961)

Observations on the respiratory physiology and on the haemoglobin of the polychaete genus Nephthys, with special reference to N. hombergii (Aud. et M.-Edw.)
, Journal of Experimental Biology 32: 110-125 (1955)

Observations on the response to effectors on aldolase activity during aestivation in the apple snail, Pila globosa
, Comparative Physiol Ecol 12: 53-60 (1976)

Observations on the retina of Florida chameleon (Anolis carolinensis)
, Canadian Journal of Zoology 38: 965-971 (1960)

Observations on the retractor strands of the starfish stomach
, Biological Reviews of the City College New York 18: 14-17 (1956)

Observations on the return of fishes to a polluted tributary of the River Thames 1964-69
, Lond. Nat., 49: 76-81 (1970)

Observations on the ring-tailed cat
, Journal of Mammalogy 36: 292-293 (1955)

Observations on the river warbler (Locustella fluviatilis) from the northern Karelia, eastern Finland
, Ornis Fennica 44: 49 (1967)

Observations on the rock breeding birds of the Butt of Lewis
, Annals of Scottish Natural History, 65-70 (1911)

Observations on the rodents inhabiting the underground streets in Osaka city
, Japanese Journal of Sanitary Zoology 15: 115-116 (1964)

Observations on the role of cockroaches in disease
, Annals of Tropical Medicine and Parasitology 16: 441-448 (1922)

Observations on the role of dissolved organic compounds in the nutrition of benthic invertebrates. 2. Uptake by other animals living in the same habitat as pogonophores, and by some littoral Polychaeta
, Sarsia.,48: 61-70 (1972)

Observations on the role of dissolved organic compounds in the nutrition of benthic invertebrates. 3. Uptake in relation to organic content of the habitat
, Sarsia.,50: 29-46 (1972)

Observations on the role of dissolved organic compounds in the nutrition of benthic invertebrates. Experiments on three species of Pogonophora
, Sarsia 45: 69-95 (1970)

Observations on the role of kidney in survival of the Tammar wallaby (Macropus eugenii Marsupialia) on sea water
, Zeitschrift angew Zool 612: 223-238 (1974)

Observations on the role of methionine in experimental malaria (P. gallinaceum in chick malaria)
, Curr: 390-392 (1958)

Observations on the role of moult-hor-mone in Crustacea on its reproduction
, Journal of Animal Morphology and Physiology 14: 145-146 (1967)

Observations on the role of nest box sanitation in affecting egg hatchability of wild sparrow hawks in eastern Pennsylvania
, Raptor Res: 100-103 (1971)

Observations on the role of the American alligator (Alligator mississippiensis) in the southern Florida wetlands
, Copeia 4: 993-996 (1974)

Observations on the role of the pituitary-interrenal axis in the ion regulation of the eel and other teleosts
, General and Comparative Endocrinology Suppl 2: 296-316 (1969)

Observations on the role of water temperature in induced breeding of Indian carps
, Proceedings of the National Academy of Sciences of India (B): 412: 163-166 (1972)

Observations on the rook population of Wirral, Cheshire
, Proceedings of the Liverpool Naturalists and Field Club, 1961-63: 15-17 (1964)

Observations on the roosting habits of the big-eared bats, Plecotus townsendii, in California limestone caves
, Cave Notes 8: 17-22 (1966)

Observations on the roosting of Yellow wagtails Budytes flavus in Ibadan
, Bull. Orn. Soc: 33 (1969)

Observations on the root-vole on islands of the middle course of the Volga
, Trudy Zoologicheskogo Instituta 29: 137-155 (1961)

Observations on the rotifers from shallow ponds in Delhi
, Current Science 30: 268-269 (1961)

Observations on the rusty-rumped grasshopper-warbler Locustella certhiola (Pallas) at Mysore, Karnataka
, Journal of the Bombay Natural History Society 101(3): 461-462 (2004)

Observations on the saccus vasculosus of the mudskipper, Periophthalmus sobrinus
, University Sci J Dar-es-Salaam 21: 25-33 (1976)

Observations on the salamander Dicamptodon
, Copeia, Ann ArborI: 79-80 (1949)

Observations on the salinity tolerance and habits of a euryhaline caddis larva, Limnephilus affinis Curtis (Trichoptera: Limnephilidae)
, Proceedings of the Royal Entomological Society of London (A): 35: 156-162 (1960)

Observations on the salinity tolerance of the hydroid of Eutima commensalis
, Forma Functio 1: 1-8 (1975)

Observations on the salivary glands of Mammals
, Anatomical Record Philadelphia, 2 105-107 (1908)

Observations on the salmonid populations of the Lough Erne tributaries in northern Ireland
, J. Fish Biol.: 1: 297-309 (1969)

Observations on the sand dollar, Mellita quinquiesperforata
, Limnologr: 152-155 (1965)

Observations on the sand dune chinch bug Blissus mixtus Barber (Lygaeidae Hemiptera)
, Pan Pacif San Francisco: 59-60 (1943)

Observations on the sardines Sardina pilchardus Walb.) from the upper Adriatic, landed at Chioggia in 1958
, Proceedings of the General Fisheries Council for the Mediterranean FAO 6: 189-196 (1961)

Observations on the saury (Cololabis saira) seen near the California Coast during 1950-52
, California Fish and Game 40: 39-46 (1954)

Observations on the scales of Japanese Cobitid fishes
, Botany and Zoology Tokyo 4: 855-862 (1936)

Observations on the scales of the Nile-eel
, Bulletin of the Faculty of Science Fouad I University 21: 37-56 (1940)

Observations on the scales of the short-finned eel, Anguilla bicolor McClelland and their utility in age determination
, Current Sci 4(2): 53-55 (1975)

Observations on the scarabaeid beetles in Greece. (1)
, Saikaku Tsushin. Feb; 4: 5-10 (2002)

Observations on the sea hare Aplysia parvula (Gastropoda: Opisthobranchia) from the Gulf of California
, VeIiger 14: 60-63 (1971)

Observations on the sea-snake Laticauda laticauda in captivity
, International Zoo Yearbook 7: 229-231 (1967)

Observations on the seabirds in the Arabian Gulf
, Transactions Tokyo Univ Fish, 1,1974: 13-16 (1977)

Observations on the seals of Elephant Island, South Shetland Islands, 1970-71
, Bulletin Br Antarct Surv 36: 99-104 (1973)

Observations on the seals of Gough Island
, South African Journal Antarct Res, 5,1975: 42-44 (1977)

Observations on the seals of the (Welsh) Dee estuary
, Proceedings of the Zoological Society of London 135: 375-385 (1960)

Observations on the seals of the Antarctic
, BullNat. Moscou. Biol: 39-44 (1957)

Observations on the seasonal abundance of Aphis gossypii Glover on egg-plants in Japan (Hemiptera)
, Mushi 27: 59-68 (1954)

Observations on the seasonal abundance of post larvae of Metupenaeus monoceros (Fabricius) and M. dobsoni (Miers) in the Pulicat Lake
, lndian J Sci: 948-955 (1974)

Observations on the seasonal activities of the larvae of the swine kidney worm and practical application of the results to the establishment of health-restoring pigpens
, Acta Zoologica Sinica 204: 357-363 (1974)

Observations on the seasonal behaviour ofthe Hudson Bay eider (Somateria mollissima sedentaria)
, Can. Fld Nat.: 84: 145-153 (1970)

Observations on the seasonal changes in the histological structure of the skin of the giant toad (Bufo bufo gargarizans Cantor)
, Acta Zoologica Sinica 11: 313-330 (1959)

Observations on the seasonal distribution of the plankton of the Trivandrum Coast
, Proceedings Indian Acad Science Sect B 22(2): 31-62 (1945)

Observations on the seasonal incidence and distribution of Tabanidae (Diptera) in Southern Rhodesia
, Entomologist's Monthly Magazine 101: 230-239 (1966)

Observations on the seasonal incidence of Tabanidae (Diptera) in the southern Sudan
, Entomologist's Monthly Magazine 93: 76-81 (1957)

Observations on the seaward migration of Mugil cepha-lus Linnaeus from the Chilka Lake for breeding
, Curr: 181-182 (1958)

Observations on the seaward migration of the so-called Indian shad, Hilsa ilisha (Hamilton)
, Records of the Indian Museum 42: 529-552 (1940)

Observations on the secretion of growth hormone, and its blockade, in the rhesus monkey
, Annals of the new York Academy of Sciences 148(2): 459-470 (1968)

Observations on the secretory processes in the corpus cardiacum of the stick insect, Carausius morosus
, Journal of Cell Science 1(1): 59-66 (1966 )

Observations on the selection of algal substrata by hydrozoan larvae, Sertularella miurensis in nature
, Bull Stn Asamushi: 35-48 (1967)

Observations on the seminal vesicle of the Nile catfish Olarias lazera
, Annals and Magazine of Natural History 13 2: 444-448 (1960)

Observations on the septum of the Caecidae, and some remarks on the subject of the suppression of the genera Brochina and Strebloceras or Phleboceras
, Journal of the Linnean Society, Vol. X 254-260 (1868)

Observations on the settlement of the brachiolaria larvae of Stichaster australis (Verrill) and Coscinasterias calamaria (Gray) (Echinodermata: Asteroidea) in the laboratory and on the shore
, Journal of exp mar Biol Ecol 301: 95-108 (1977)

Observations on the settling behaviour of larvae of the tubeworm Spirorbis borealis Daudin (Poly-chaeta)
, Australian Journal of Marine and Freshwater Research 2: 55-72 (1960)

Observations on the sex of Campeloma (Gastropoda: Viviparidae)
, Occasional Papers of the Museum of Zoology University of Michigan Ann Arbor 641: 1-15 (1965)

Observations on the sex of Mice
, Proceedings of the Royal Society London, lxxiii 32-48 (1904)

Observations on the sex reversal in the symbranchoid eel, Fluta alba (Zuiew)
, Proceedings of the Japan Academy 42: 491-496 (1966)

Observations on the sex skin and sex cycle in the chimpanzee
, Endocrinology 43(4): 218-231 (1948)

Observations on the sexology of Vespericola columbiana (Lea) from Olympic Peninsula, Washington
, Gastropodia 1(8): 75-77 (1970)

Observations on the sexology of the endodontid land-snail, Anguispira alternata (Say)
, Gastropodia 17: 66-67 (1968)

Observations on the sexual behavior and spawning of the squid, Loligo opalescens, at La Jolla, California
, California Fish and Game 40(1): 47-54 (1954)

Observations on the sexual behavior of captive turtles
, Lloydia Cincinnati 18(2): 95-99 (1955)

Observations on the sexual behaviour of Java sparrows, Padda oryzivora
, Avicultural Mag 805: 172-176 (1974)

Observations on the sexual behaviour of intersexes in Drosophila subobscura
, Animal Behaviour London 7: 57-59 (1959)

Observations on the sexual behaviour of the common scoter (Melanitta nigra) on the breeding grounds, with special reference to courting parties
, Var Fagelvarld: 202-226 (1966)

Observations on the sexual cycle of male deer in Britain
, Mamm. Rev.: 1: 49-52 (1970)

Observations on the sexual generation of Gromia oviformis Dujardin
, Journal of Protozoology 13(1): 23-27 (1966)

Observations on the shallow-water Fauna of the Bay of Bengal, made on the Bengal Fisheries steam-trawler Golden Crown, 1908-1909
, Records of the Indian Museum 7: 51-64 (1912)

Observations on the shallow-water marine fauna
, Atoll Res Bull 149: 31-39 (1971)

Observations on the shape of the nucleus and its determination
, Quarterly Journal of Microscopical Science 65: 591-610 (1921)

Observations on the shark eye or callused moon snail Polinices duplicatus Say. 1. Notes on its name
, New York Shell Club Notes 186: 6-7 (1972)

Observations on the sharp-nosed bat, Bhynchiscus naso (Maximilian)
, Texas Journal of Science 9: 219-226 (1957)

Observations on the shedding of the antlers of Virginia deer (odocoileus virginianus borealis)
, American Journal of Anatomy 88(3): 351-395 (1951)

Observations on the shell formation in the cocoon of Dugesia lugubris s.l
, Bollettino Zool 393: 337-341 (1972)

Observations on the shell morphology of two species of cockle Cerastoderma edule and C. glaucum
, Zoological J Linn Soc 524: 269-292 (1973)

Observations on the shell structure of Calyptogena (Vesicomyidae, Bivalvia, Mollusca)
, Revue suisse Zool.: 77: 81-90 (1970)

Observations on the shells of some fresh-waterneritid gastropods from Hawaii and Guam
, Micronesica 5: 155-164 (1969)

Observations on the shells of the Family Doliidie
, Memoirs of the Indian Museum 7: 145-190 (1910)

Observations on the shifting range, migration and economic value of the Bobolink
, Auk Cambridge Mass, 36 430-431 (1919)

Observations on the shoaling behaviour of cod (Gadus callarias) in deep water relative to daylight
, Journal of the Marine Biological Association of the United Kingdom 35: 415-417 (1956)

Observations on the short-tailed vole in the Tewkesbury area
, Biology Report Cheltenham Grammar School, 2: 9 (1958)

Observations on the shrimp fisheries of the central and southern coast of Brazil
, FAO Fisheries Reports 57: 847-858 (1969)

Observations on the shrimp fisheries of the central and southern coast of Brazil. FAO World Sci. Conf. on biology and culture of shrimps and prawns, Mexico, 1967
, FAO Experience Paper 46: 1-12 (1967)

Observations on the silky shark, Carcharhinus falciformis in the Gulf of Guinea
, Copeia: 354-356 (1966)

Observations on the silver-banded hairstreak, Chlorostrymon simaethis (Lepidoptera: Lycaenidae)
, Bahamas Journal of Science 10(1): 44-47 (2002)

Observations on the singing of the Chaffinch
, British Birds 35(5): 98-104 (1941)

Observations on the siphonal behavior of young surf clams, Spisula solidissima
, Nautilus Philad 861: 25-26 (1972)

Observations on the six-lined race-runner (Cnemidophorus sexlineatus) in North Central Louisiana
, Proceedings of the Louisiana Academy of Sciences 27: 13-16 (1964)

Observations on the size groups of Penaeus indicus (Milne Edwards) in the commercial catches of different nets from the backwaters of Cochin
, Indian Journal of Fisheries 9: 468-475 (1965)

Observations on the size of galls formed on couch-grass by a Chalcidoid of the genus Harmolita Motschulsky (Isosoma Walker) (Hym. Eurytomidae)
, JBrit. Ent., Manchester: 203 (1957)

Observations on the skeleton and somatic musculature of the abdomen and thorax of Procambarus clarkii (Girard), with notes on the thorax of Panu Urus interruptus (Randall) and Astacus
, Journal of Morphology 113: 453-488 (1963)

Observations on the skeletons of Moropus cooki in the American Museum. New York N.Y
, Bulletin of the Geological Society of America, 29 131-133 (1917)

Observations on the skin pigment and amoebocytes, and the occurrence of phenolases in the coelomic fluid of Hobthuria forskali delle Ghiajo
, Journal of the Marine Biological Association of the United Kingdom 31: 529-539 (1953)

Observations on the skull in foetal specimens of Whales of the Genera Megaptera and Balaenoptera
, Philosophical Transactions of the Royal Society London B: 211: 209-272 (1922)

Observations on the skulls of Mustelidae infected with the nematode, Skojdbingylus nasicola
, Journal of Zoology London 153: 561-564 (1967)

Observations on the small mammals of the southeastern shore of the Hudson Bay
, Canadian Field-Naturalist 77(1): 1-12 (1963)

Observations on the smooth snake (Coronella austriaca) in east Dorset during the three years 1954-56
, British Journal of Herpetology, 2: 94 (1957)

Observations on the snakes of Queretaro, Mexico. Bulletin Chicago herpetol
, Soc 123: 69-74 (1977)

Observations on the snout of Varanus, and a comparison with that of other lizards and snakes
, Journal of Anatomy 83(Pt 2): 116-146.1 (1949)

Observations on the snow algae of the South Orkney Islands
, Philosophical Transactions of the Royal Society, 252B 279-287 (1967)

Observations on the so-called dimorphism in the males of Cambarus Erichson
, Zoologischer Anzeiger: 683-689 (1901)

Observations on the so-called thymus II of birds
, Journal of Anatomy 91(1): 12-24 (1957)

Observations on the so-called trumpeter in bumble-bee colonies
, Psyche Boston Mass 30: 146-154 (1923)

Observations on the social behaviour of helmet-shrikes. Bulletin niger. Orn
, Yearbook American Philosophical Society 1241: 25-30 (1976)

Observations on the social behaviour of the Chinese hamster, Cricetulus griseus
, Canadian Journal of Zoology 543: 361-368 (1976)

Observations on the social organization of Impala (Aepyceros melampus)
, Z. Tierpsychol.: 27: 693-721 (1970)

Observations on the soil of the mounds of the mining bee Andrena armata Gmelin (fulva Schrank)
, Entomologist's Monthly Magazine 76: 230-231 (1940)

Observations on the song of the North Island saddleback
, Notornis 11: 98-99 (1964)

Observations on the southern White-breasted Crake (Laterallus leucopyrrhus)
, Avicultural Magazine 72(1): 24-26 (1966)

Observations on the spawn and veligers of conchs (Strombus) in the Bahamas
, Proceedings of the Malacological Society of London 33: 164-171 (1959)

Observations on the spawning and early development of the common scallop, Pecten irradians
, Journal of the Elisha Mitchell Scientific Society 75: 73 (1959)

Observations on the spawning and reproductive cycle of Chiton granoradiatus Leloup
, Broteria Serie Ciencias Naturais 37: 223-233 (1968)

Observations on the spawning behaviour of Saccoglossus horsti Brambell and Goodheart, and of other Enteropneusta
, Journal of the Marine Biological Association of the United Kingdom 29(3): 625-638 (1951)

Observations on the spawning behaviour of carp in the Punjab
, Proceedings of the National Institute of Sciences of India 113: 315-320 (1945)

Observations on the spawning behaviour of the Indian oil sardine, Sardinella longiceps Valenciennes, determined by ova diameter studies
, Indian Journal of Fisheries 194 ; 11((A)): 371-390 (1967)

Observations on the spawning behaviour of the grayling, Thymallus thymallus (L.)
, Report Institute of Freshwater Research Drottningholm 36: 75-103 (1955)

Observations on the spawning frequency and fedundity of certain Bhakra reservoir fishes
, Indian Journal of Fisheries 11(A) 485-502 (1967)

Observations on the spawning habits of Centrarchid fishes in Deep Lake, Oakland County, Michigan
, Transh N. Amer. Wildlife Conference: 275-287 (1939)

Observations on the spawning habits of Hydroides dianthus
, American Naturalist, 44 376-378 (1910 )

Observations on the spawning habits of Melibe leonina (Gould)
, Publications of the Puget Sound Marine Biological Station 6: 263-270 (1928)

Observations on the spawning habits of some of the Japanese Opisthobranchia
, Publications of the Seto Marine Biological Laboratory 2: 87-90 (1952)

Observations on the spawning habits of the northern Pike, Esox lucius, in Northwestern Ohio
, Copeia, 285-288 (1950)

Observations on the spawning in Indian carps by hormone injection
, Current Science 26: 381-382 (1957)

Observations on the spawning migrations of Galaxias attenuatus (Jenyns)
, New Zealand Journal of Science 8: 79-87 (1965)

Observations on the spawning of Cirrhina reba (Hamilton) in the Cauvery and Bhavani rivers
, Journal Inland FishIndia: 69-73 (1972)

Observations on the spawning of Hilsa ilisha (Hamilton) in the Hooghly estuary
, Journal Inland Fish Soc India 5: 50-54 (1973)

Observations on the spawning of Sacramento Hitch in a lacustrine environment
, CalifGame: 211-215 (1960)

Observations on the spawning of carp in a tank in the Punjab
, Procn Sci. Congr: 184 (1948)

Observations on the spawning of four species of tuna (Neothunnus macropterus, Katsuwonus peiamis, Auxis thazard and Euthynnus lineatus) in the Eastern Pacific Ocean, based on the distribution of their larvae and juveniles
, Bulletin Inter-American Tropical Tuna Commission 6: 447-540 (1963)

Observations on the spawning of spring spawning fish
, Bulletin of the Institute of Freshwater Fisheries Leningrad 21: 65-80 (1939)

Observations on the spawning of surgeon fishes (Acanthuridae) in the Society Islands
, Copeia, 237-238 (1961)

Observations on the spawning of the Cunner in waters of Northern New Jersey
, Chesapeake Sci.: 11: 137 (1970)

Observations on the spawning of the Mississippi silversides, Menidia audens Hay
, California Fish Game(4): 315-316. (1973)

Observations on the spawning runs of brown trout in the South Queich, Loch Leven
, Sci Invest Freshwater Fish Scotland 13: 1-17 (1956)

Observations on the spawning season of the rainbow trout
, Dublin, Fishnd Sci. Invest: 9-13 (1906)

Observations on the spawning site of the common frog, Rana temporaria temporaria L
, Procys. Soc. Edinb: 69-75 (1958)

Observations on the spearfishes of the Central Pacific
, U S Fish And Wildlife Serv Fish Bull 57(124): 497-554 (1957)

Observations on the special Internal Anatomy of Uropoda krameri
, Journal of the Royal Microscopical Society, 1-15 (1889)

Observations on the species of Dorippe from the Indo-Malayan region
, Marine Research in Indonesia 9: 1-35 (1969)

Observations on the species of Pachyzancla Meyrick (Lep., Pyraustidae) in Trinidad
, EntMag., London: 160-161 (1953)

Observations on the species of Rhopalocera common to Madagascar and the Oriental region
, Transactions of the Royal Entomological Society of London 99: 589-607 (1948)

Observations on the species of intestinal parasites of poultry
, Journal of the American Vet Association 70: 656-659 (1926)

Observations on the species of the Homopterous genus Orthezia, with a description of a new species
, Trc: 297-303 (1881)

Observations on the species of the genus Partula
, Bulletin Mus. C. Z.: ix((No. 5): 171-196 (1881)

Observations on the species related to new forms of Drosophila affinist with descriptions of seven
, American Naturalist 70: 574-584 (1936)

Observations on the specificity and clinical use of Dirofilaria immitis antigen in tho diagnosis of human fllariasis (Wuchereria bancrofli)
, American Journal of the Medical Sciences 2111: 97-102 (1916)

Observations on the speckled pigeon Columba guinea in Tigrai, Ethiopia
, Ibis 1192: 195-198 (1977)

Observations on the speckled trout (Salvelinus fontinalis) in Ungava
, Naturaliste can 3: 187-198 (1966)

Observations on the speed at which ants of the genus Messor travelled (Hym. Formicidae) in Algeria
, Entomologist's Record 58: 137-142 (1946)

Observations on the spelling and gender of technical names in the Odonata
, Selysia 61: 1-6 (1973)

Observations on the sperm of the pelecypod Anodontoides ferussacianus (Lea)
, Transicrosc. Soc: 228-230 (1965)

Observations on the spermary of the freshwater spiny eel, Macrognathus aculeatum (Bloch), during the reproductive cycle
, Acta Biologica Academiae Scientiarum Hungaricae 19(2): 239-253 (1968)

Observations on the spermatogenesis of Bacillus rossius (Phasmoidea)
, Proceedings 15th int Congr Zool 1958 London, 749-750 (1960)

Observations on the spermatogenesis of some scarabaeoid beetles
, J. Univ. P. Rico: 338-341 (1966)

Observations on the spermatozoon of the soft-shelled sea urchin, Araeosoma owstoni
, Zoological Mag Tokyo 833: 259-263 (1974)

Observations on the spicules of Salmacis bicolor (Agassiz) and Stomopneustes variolaris (Lamarck) (Echinoidea)
, Annals and Magazine of Natural History 13: 468-473 (1934)

Observations on the spider Latrodectus hasseltii Indiens Simon with a note on arachnidism
, Journal of the Bombay Natural History Society 58: 823-826 (1961)

Observations on the spinal cord of the Emu and its segmentation
, Journal of Comparative Neurology and Psychology Granville, 15 81-97 (1905)

Observations on the spinal cord of the right whale
, Scientific Reports of the Whales Research Institute Tokyo 13: 231-251 (1958)

Observations on the spine of Squalus acanthias
, Bull. Mt Desert Isl. biol. Lab.: 9: 38-41 (1969)

Observations on the spinning of cocoons by larvae of the sawfly Neodipron sertifer (Geoff.) (Hym., Diprionidae)
, Entomologist's Monthly Magazine 95: 178-179 (1960)

Observations on the spiny-tailed lizard, Uromastix hardwicki Gray, in captivity
, Geobios, Jodhpur 4: 167-168. (1977)

Observations on the spiruroid nematodes of fish with a revision of the genus Metabronema York & Maplestone, 1926
, Zeitschrift fuer Zoologische Systematik und Evolutionsforschung 3: 359-387 (1965)

Observations on the sporogony of Leucocytozoon mirandae, L. bonasae and L. fringillinarum (Sporozoa : Leucocytozoidae)
, Canadian Journal of Zoology 40: 395-400 (1962)

Observations on the sporozoa inhabiting the gut of the polychaete worm Polydora flava Claparede
, Parasitology Cambridge 28: 414-430 (1936)

Observations on the spread of Asiatic Schistosomiasis, with a note on Katayama nosophora by G. C. Robson
, British Medical Journal 1: 201-203 (1915)

Observations on the spring and autumn migration over South Zealand and the Island of Moen.
, Dansk Ornithologisk Forenings Tidsskrift 40: 108-120 (1946)

Observations on the spring migration (1910) at Ann Arbor, Michigan
, Wilson Bullin Ohio: 28-34 (1911)

Observations on the spring migration and behavior of gray whales near Pachena Point, British Columbia
, Murrelet 582: 40-43 (1977)

Observations on the spring migration of birds at the Kandalaksha archipelago in 1958
, Trudy Kandalakshskogo Zapovednika 3: 121-132 (1960)

Observations on the staphylinid groups Aleocharinae and Xantholinini, chiefly of America
, St Louis Transactions of the Academy of Science, 16 125-434 (1906)

Observations on the status of Steller ' s albatross (Diomedea albatrus) 1973
, Bulletin Int Coun Bird Preserv 12: 125-131 (1975)

Observations on the status of certain genera of Acanthocephala, chiefly from birds
, Journal of Parasitology Urbana 20: 324 (1934)

Observations on the status of certain sea-birds in the Isle of Man, 1952-61
, Proceedings of the Isle of Man Natural History and Antiquarian Society 6: 597-614 (1964)

Observations on the status of subtidal meiofauna research
, Smithsonian Contributions to Zoology 76: 149-154 (1971)

Observations on the status, habitat and behaviour of the Mountain nyala Tragelaphus buxtoni in Ethiopia
, Mammalia 33: 545-597 (1969)

Observations on the steppe lemming (Lagurus lagurus) in captivity
, Proceedings of the Bristol Naturalists' Society 31: 107-110 (1965)

Observations on the stereotaxic configuration of the hypothalamus nuclei in the sheep
, Anatomischer Anzeiger 124(1): 1-27 (1969)

Observations on the Sterility of Mutant Hybrids in Drosophila Virilis
, Proceedings of the National Academy of Sciences of the United States of America 6(7): 421-423 (1920)

Observations on the sticky trap predator Zelus luridus Stal (Heteroptera, Reduviidae, Harpactorinae), with the description of a novel gland associated with the female genitalia
, Denisia 12 Oktober; 1169-1180 (2006)

Observations on the stomach and digestive diverticula of the Lamellibranchia. I
, Quarterly Journal of Microscopical Science 96: 517-537 (1955)

Observations on the stomach and digestive diverticula of the Lamellibranchia. II. The Nuculidae
, Quarterly Journal of Microscopical Science 97: 541-567 (1956)

Observations on the stomach and digestive glands of Scutus breviculus (Blainville)
, Proceedings of the Malacological Society of London 33: 103-114 (1958)

Observations on the stomach contents of the silver hake
, Transactions of the American Fisheries Society 89: 239-240 (1960)

Observations on the storage of trypan blue in the embryo chick
, American Journal of Anat 42(1): 155-180 (1928)

Observations on the straining of suspensions by mussels
, Arch Neerl And Zool 11(1): 87-112 (1955)

Observations on the stratigraphic distribution of some warm water planktonic Foraminifera in the young Miocene to Recent
, Eclogae Geologicae Helvetiae 57: 541-552 (1964)

Observations on the striding habits of the Gerridae (Hemiptera)
, Pan-Pacific Entomologist, 14: 157 (1938)

Observations on the structure and affinities of Branchiomaldane vincenti Langerh
, Edinburgh Proceedings of the Royal Society, 32 62-72 (1912)

Observations on the structure and contents of yellow jackets' nests (Hymenoptera)
, Proceedings of the Entomological Society of Washington 64: 181-183 (1962)

Observations on the structure and development of the medusa of Vellela vellela (Linne 1758)
, Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening I Kjobenhavn 126: 327-336 (1964)

Observations on the structure and development of the spermatozoa of Aspiculuris tetraptera
, Parasitology 57(4): 7p (1967)

Observations on the structure and developmental stages of a new species of Arachnactis from the Madras plankton
, Annales des Sciences Naturelles Paris 11: 9: 227-251 (1947)

Observations on the structure and distribution of the metacercaria, Diplostomulum trituri (Trematoda : Strigeida)
, ASB Bull, 6: 28 (1959)

Observations on the structure and ecology of Synura spiendida
, Bot Tidsskr 58: 280-289 (1963)

Observations on the structure and ecology of Victorella pavida Kent (Bryozoa) from the south west coast of India
, Internationale Revue der Gesamten Hydrobiologie u Hydrographie 52: 237-256 (1967)

Observations on the structure and function of oral breathing valves of freshwater cyprinoids
, Zoologische Beitr 223: 455-458: 1976 (1977)

Observations on the structure and function of the seminal receptacles and associated accessory pouches in ovoviviparous Onychophorans from Australia (Peripatopsidae; Onychophora)
, Journal of Zoology (London) 270(3): 531-542 (2006)

Observations on the structure and life history of Auto-lytus prolifer (O. F. Muller)
, Journal of the Marine Biological Association of the United Kingdom 30: 119-128 (1951)

Observations on the structure and life-history of Pleistophora periplanatae, Lutz and Splendore
, Quarterly Journal of Microscopical Science 49: 615-633 (1906)

Observations on the structure and mechanism of the external ear in the Lorisoids and Tarsius
, Ceylon Journal Science Sect B Zool and Geol Spolia Zeylanica 22(1): 135-139 (1940)

Observations on the structure and mode of implantation of the blastocyst of Cavia
, Transactions of the Zoological Society of London 21: 295-354 (1931)

Observations on the structure of Leishmania donovani; the kala-azar parasite
, Experimental Cell Research 6(2): 353-360 (1954)

Observations on the structure of Mesosaurus
, Transactions S African Soc, XV 103-112 (1904)

Observations on the structure of chromosomes in the salivary glands of Droaophila melanogaater.
, Bull Acad Sci URSS Ser Biol Moscow, 392-426 (1937)

Observations on the structure of cilia and flagella
, Proceedings Europ Reg Conf Electr Microsc Delft 196; 2: 929-933 (1961)

Observations on the structure of cysticerci of Taenia solium and T. saginata (Cestoda : Taeniidae)
, Journal of Parasitology 49: 85-90 (1963)

Observations on the structure of double monsters in the earthworm
, Biol Woods Hole Mass: 339-354 (1917)

Observations on the structure of grasshopper chromosomes subjected to a new acetocarmine treatment
, Journal of Morphology Philadelphia 86: 229-245 (1950)

Observations on the structure of protoplasm by aid of micro-dissection
, Biological Bulletin Wood's Hole, 34 307-324 (1918)

Observations on the structure of red cell ghosts
, Cold Spring Harbor Symposia on Quantitative Biology 8: 224-232 (1940)

Observations on the structure of secretory cells associated with aphid cornicles
, Zeitschrift für Zellforschung und Mikroskopische Anatomie 130(3): 312-317 (1972)

Observations on the structure of the adrenal in Naja naja (Linne) and Matrix piscator (Schneider) (Reptilia: Ophidia)
, British Journal of Herpetology 4: 124-126 (1969)

Observations on the structure of the cercaria of Himasthla quissetensis
, Biological Bulletin Wood's Hole, 115: 346 (1958)

Observations on the structure of the cochlear duct limbus of reptiles
, Prgc Calif Acad Sci 35(3): 37-51 (1967)

Observations on the structure of the connective tissue sheaths of cutaneous nerves
, Journal of Anatomy 77(Pt 2): 153-159 (1943)

Observations on the structure of the coronary arteries of rabbits of variable age
, Acta Anatomica 46: 230-243 (1961)

Observations on the structure of the epidermis of teleosteans
, Ciencia e Cultura Sao Paulo 2512: 1169-1174 (1973)

Observations on the structure of the exuvial glands and the formation of the exuvial fluid in Insects
, Zoologischer Anzeiger: 652-654 (1902)

Observations on the structure of the heart of the snake Typhlops sp
, Proceedings of the Indian Science Congress 36th, 3: 169 (1949)

Observations on the structure of the hemipenis iu some Indian snakes
, Journal of the Bombay Natural History Society 741: 181-184 (1977)

Observations on the structure of the kidney of the otter, Lutra lutra chinensis Gray
, Acta Zool Sinica 10(2): 125-130 (1958)

Observations on the structure of the mouth parts and the mechanism of feeding in Caridina laevis (Heller) 1862
, Proceedings of the Indian Science Congress Ass 43rd 3: 287-288 (1956)

Observations on the structure of the pulmonary alveolar wall in the adult Rat, Guinea Pig and Babbit
, Proceedings of the Royal Irish Academy, 43B 73-811 (1936)

Observations on the structure of the reproductive organs of the box turtle
, Jour Morphol 89(3): 599-621 (1951)

Observations on the structure of the shipworms, Nausitora hedleyi, Teredo furcifera and Teredora princesae (Bivalvia: Teredinidae)
, Transactions R Soc Edinburgh 68: 507-566 (1971)

Observations on the structure of the vagus nerve
, American Journal of Anat 53(2): 289-315 (1933)

Observations on the structure of vibrissa follicles in the marsupial Trichosurus vulpecula, with special reference to keratinization
, Australian J Zool 231: 9-28 (1975)

Observations on the structure, affinities and biology of a rare copepod Eunicicola (formally Eurynotus) insolens (T. & A. Scott)
, Proceedings of the Zoological Society of London 140: 47-56 (1963)

Observations on the structure, biology and systematic position of Pantophthalmus tabaninus Thunb. (Diptera Pantophthalmidae)
, Transactions of the Royal Entomological Society of London 82: 5-22 (1934)

Observations on the study and collecting of insects in South Devon
, Journal of the Torquay Natural History Society, 2 8-16 (1915)

Observations on the study of Gall-flies (Cynipidae)
, Entomologist's Monthly Magazine 181-183 (1867)

Observations on the stytosome (feeding tube) of some Utah chiggers
, Proceedings of the Utah Academy of Sciences 31: 61-63 (1954)

Observations on the subcuticular layer in the insect integument
, Journal of Morphology Philadelphia 99: 211-231 (1956)

Observations on the subgeneric classification of Calliostoma
, Journal de Conchyliologie 963: 119-120 (1956)

Observations on the subgenus Ar gas (Ixodoidea, Argasidae, Argas). 6. Redescription and biological notes on A. lagenoplastis Froggatt1906of Australian fairy martins, Hylochelidon ariel (Gould)
, Annals of the Entomological Society of America 5: 577-582 (1963)

Observations on the subgenus Argas (Ixodoidea, Argasidae, Argas) 2. A. cooleyi, new species, from western north American birds
, Annals of the Entomological Society of America 53: 625-631 (1960)

Observations on the subgenus Argas (Ixodoidea, Argasidae, Argas). 1. Study of A. reflexus reflexus (Fabricius, 1794), the European bird argasid
, Annals of the Entomological Society of America 53: 611-618 (1960)

Observations on the subgenus Argas (Ixodoidea: Argasidae, Argas). 7. A. (A.) himalayensis, new species. parastizing the snow partridge, Lerwa lerwa. inNepal
, Annals ent Soc Am 661: 1-3 (1973)

Observations on the subgenus Argas (Ixodoidea: Argasidae, Argas). 9. A. (A.) falco, new species, parasitizing kestrels in Western Australia
, Annals ent Soc Am 671: 5-10 (1974)

Observations on the subgenus Argas (Ixodoidea: Argasidae: Argas) 12Argas(A. ) africolumbae: variation, bird hosts, and distribution in Kenya, Tanzania, and South-West Africa
, Journal Med Ent Honolulu 13(4-5): 441-445 (1977)

Observations on the subgenus Argus (Ixodoidea, Argasidae, Argas) 4.-A. neghemi, new species from poultry houses and human habitations in northern Chile
, Annals of the Entomological Society of America 54: 844-851 (1961)

Observations on the subgenus Rhachiocrema (Hymenoptera: Formicidae) with the description of a new species from Borneo
, Psyche Cambridge Mass 52: 109-118 (1945)

Observations on the successful breeding and rearing of Sarus cranes, Grus antigone, in captivity
, Int. Zoo Yb.: 10: 99-100 (1970)

Observations on the succession of the gastropods Puludestrina ulvae and ventrosa in brackish water
, Annals and Magazine of Natural History, 6 525-529 (1920)

Observations on the suckling period in the Guinea-pig
, Berkeley University of California Publ Zoology, 9 341-351 (1912)

Observations on the summer birds of parts of Clinton and Potter counties
, Cassinia Philadelphia 5(1901, 1902: 8-21 (1907)

Observations on the summer diet of rough-legged hawks from Alaska
, Condor 773: 338-339 (1975)

Observations on the summer fishery for the Indian mackerel, Rastrelliger kanagurta (Cuvier) in the Godavary Estuary
, Indian Journal of Fisheries 211: 275-278 (1974)

Observations on the supposed semiaquatic Phasmid, Cotylosoma dipneusticum, W.-M
, Annals of Natural History, XV 498 (1895)

Observations on the supra-optic decussations in the albino rat
, Journal of Comparative Neurology 129(4): 297-312 (1967)

Observations on the surface structure of the hairs of Tasmanian monotremes and marsupials
, Papers Royal Society of Tasmania 1950: 71-81 (1951)

Observations on the survival of cladocerans of the genus Ilyocryptus (Macrothricidae) in moist grounds
, Biologiya vnutrenn Vod inf Byull 17: 37-39 (1973)

Observations on the susceptibility of Anopheles culicifacies to infection by-malarial parasites
, Proceedings of the Indian Science Congress 34: 209 (1948)

Observations on the susceptibility of Schistosoma mansoni in St. Lucia of several Caribbean strains of snails of the genus Biomphalaria
, W. Indian med. J.: 19: 9-13 (1970)

Observations on the susceptibility of white mice to infection with Leishmania mexicana following whole-body x-irradiation
, Annals of Tropical Medicine and Parasitology 62(2): 174-177 (1968)

Observations on the swarming and mating of gad flies in the central part of Yakatia
, Parazitologiya 2: 129-132 (1972)

Observations on the swarming and mating of mosquitoes in Uganda
, Proceedings of the Royal Entomological Society of London (A): 39: 15-22 (1964)

Observations on the swarming flight and mating of Culicoides (Diptera: Ceratopogonidae)
, Transactions of the Royal Entomological Society of London 106: 213-236 (1955)

Observations on the swarming habits and lunar periodicity of Platy nereis sp. from the Madras harbour
, Proceedings of the Indian Academy of Sciences (Ser B): 5: 245-260 (1937)

Observations on the swarming of Thalia Democratica (Tunicata: Salpidae)
, Report of the Challenger Society, 3: 53 (1969)

Observations on the swarming of a nereid polychaete, Neanthes succinea, from the northern Gulf of Mexico
, Proceedings of the Louisiana Academy of Sciences 37: 60-63 (1974)

Observations on the swarming of the Atlantic palolo
, Yearbook of the Carnegie Institution of Washington 36: 89-90 (1937)

Observations on the swarms of certain ldaho Chironomini (Diptera: Chironomidae)
, Proceedings Wash St ent Soc 34: 352-353 (1974)

Observations on the swimming speeds of fish
, J int. Explor. Mer: 472-479 (1959)

Observations on the symbiotes of certain Coccidae
, Hilgardia 24(8): 185-206 (1955)

Observations on the symptoms of competition in mutated forms of Drosophila melanogaster
, Prace Zoologiczne (Zes Nauk Uniw Jagiellonsk): 6: 81-94 (1962)

Observations on the Synchronous Flashing of Fireflies in Siam
, Science 69(1789): 400-401 (1929)

Observations on the synonymy of Caligulus coryphaenae Stp. & Lutk
, Annals and Magazine of Natural History 5(13): 513-522 (1962)

Observations on the systematic position of the genus Gaigeria RaiUet & Henry,1910 (subfamily Necatorinae Lane, 1907: family Ancylostomidae Lane, 1907: Nematoda)
, Revista de Biologia Tropicale 13: 213-217 (1965)

Observations on the systematics and ecology of Cryptobranchus from the Ozark Plateaus of Missouri and Arkansas
, Copeia, 369-370 (1965)

Observations on the tapeworms Avitellina lahorea and Helictometra from Lahore
, Proceedings of the Indian Science Congress 21: 262 (1934)

Observations on the tarsal organ, socket of trichobothria and spinnerets of three lynx spiders by scanning electron microscope
, Journal of Hebei University Natural Science Edition: 188-194 (2007)

Observations on the tarsier in captivity
, Zoologische Garten Leipzig (N F): 27(1-3): 106-121 (1963)

Observations on the taste reactions in pigs
, Animal Behaviour 13(2): 265-269 (1965)

Observations on the tawny eagle
, Ostrich 441: 1-22 (1973)

Observations on the taxonomic status of amoeboid organisms from the American oyster, Crassostrea virginica
, Journal of Protozoology (Suppl): 13(3): 23 (1966)

Observations on the taxonomie characters of Triops orientalis (Tiwari) with a note on its biology
, Journal of the Bombay Natural History Society 56: 215-225 (1959)

Observations on the taxonomy and biology of some Indo-West-Pacific Penaeidae (Crustacea, Decapoda)
, Fishery Publications London 17: 4 (1962)

Observations on the taxonomy and distribution of chaetognaths of the Pacific
, Publications of the Seto Marine Biological Laboratory 7: 349-354 (1959)

Observations on the taxonomy and natural history of the rubber boa, Charina bottae
, Southwestern Naturalist 11: 298-299 (1966)

Observations on the taxonomy of the Bathynellid genera
, Journal of the Faculty of Science Hokkaido University Zoology 13: 133-138 (1957)

Observations on the taxonomy of the genera Pseudoprolepus Khera,and Notopter-oides Chakravarty and Majumdar, 1962 (Spiruroidea: Nematoda)
, Indian Journal of Helminthology 18: 148-150 (1967)

Observations on the tectibranch Ringicula buccinea (Brocchi)
, Proceedings of the Zoological Society of London 135: 537-549 (1960)

Observations on the teeth of the mountain gorilla (Gorilla gorilla beringei)
, American Journal of Physical Anthropology 34(1): 85-88 (1971)

Observations on the temperature tolerance of lizards in the Central Namib Desert, South West Africa
, Cimbebasia 4: 1-5 (1962)

Observations on the tentacles of Vaginulus borellianus Colosi (Mollusca: Gastropoda: Soleolifera)
, Veliger 12: 181 (1969)

Observations on the tentacles of Vaginulus borellianus Colosi (Molluscs Gastropoda Soleolifera). Pubbl. Ist. Zool. Univ. Siena 4 (35) 1969.
, Veliger(2): 176-181 (1969)

Observations on the terminal innervation of segmental muscle fibres in amphibia
, Acta Anatomica 40: 1-12 (1960)

Observations on the termination of migratory movements of Chaffinches (Fringilla coelebs) over the North Sea, when there is very little or no wind.
, Ardea 48: 150-160 (1960)

Observations on the terrestrial Mollusca of the district around Silverdale, Lancashire
, Journal of Conchology Leeds, 11 325-330 (1906)

Observations on the terrestrial Pulmonifera of Maine, including a catalogue of all the species of terrestrial and fluviatile Mollusca known to inhabit the State
, Journand Soc. Nat. Hist: 63 (1864)

Observations on the territorial behaviour of Japanese majarra, Gerres oyena (Forssk$l), in the vicinity of Seto
, Publications Seto mar Lab: 105-118 (1976)

Observations on the testis of the crayfish Cambarus montanus acuminatus Faxon
, Transactions American Microsc Society 77(4): 435-450 (1958)

Observations on the theory of tetany
, Proceedings of the Society for Experimental Biology and Medicine 22: 117-118 (1924)

Observations on the thermal activity of some tropical lizards of the genus Anolis (Iguanidae)
, Carribi: 17-20. (1971)

Observations on the thermal death points of the blow-fly at different relative humidities
, Bulletin Ent Res London 18(4): 397-403 (1928)

Observations on the thermal ecology of developing eggs of Antherea pernyi Guer
, Ekol Polska Ser A 8(13): 303-314 (1960)

Observations on the thermal regime of a stream in the eastern Transvaal, with reference to certain aquatic Pulmonata
, South Mr J Sci 721: 20-23 (1976)

Observations on the thermal relations of Western Australian lizards
, Copeia, 97-110 (1966)

Observations on the thyroid and parathyroid glands of the Bufo regularis (the Egyptian toad)
, Journal of the Arab Veterinary Medical Association 26: 277-283 (1966)

Observations on the tidepool ecology and behaviour of Peridinium gregarium
, Journal of Phycology 7: 188-194 (1971)

Observations on the tolerance of the isopod Asellus meridianus Rae. to copper and lead. Water
, Res 106: 555-559 (1976)

Observations on the toleration of high temperatures and low dissolved oxygen in natural waters by Crenichthys baileyi
, Southwestern Natur 9(4): 245-248 (1964)

Observations on the tongues of some New Zealand birds
, Notornis 11: 36-45 (1964)

Observations on the toxoglossan gastropod Mangelia brachystoma (Philippi)
, Proceedings of the Zoological Society of London 135: 319-338 (1960)

Observations on the tracheae of some insects
, Proceedings of the Indian Science Congress 53(4): 31-32 (1966)

Observations on the transferring process of spermatophore of Acomatacarus yosanoi Fukuzumi and Obata, 1953 (Acariformes: Trombiculidae), with description of male and female genitalia. I. The transferring process of spermatophore. (Studies on Tsutsugamush
, Acta Zoologica Sinica 11: 409-421 (1959)

Observations on the transmission of malaria by anopheline mosquitoes in Ceylon
, Ceylon Jour Sci Sect D Med Sci 2(2): 67-86 (1929)

Observations on the transmission of theileriasis to their progeny by the ticks, Hyalomma aegyptium Neumann
, Procn Sci. Congr: 171 (1948)

Observations on the transmission of thoileriasis to their progeny by the ticks, Hyalomma aegiiplium Neumann
, Proceedings of the Indian Science Congress 34th. 3: 171 (1947)

Observations on the Transport of Carbon Dioxide in the Blood of some Marine Invertebrates
, Journal of General Physiology 6(2): 153-166 (1923)

Observations on the treatment of Nosema apis with drugs
, New Zealand Journal of Science and Technology, 32A(6): 28-38 (1951)

Observations on the treatment of an insect infested osteological collection
, Biology Curator 4: 15-19 (1995)

Observations on the treatment of falciparum malaria
, Transactions of the Royal Society of Tropical Medicine and Hygiene 42(6): 565-568 (1949)

Observations on the treatment of scabies
, Brit Med Jour 4248: 685-687 (1942)

Observations on the tree-climbing habits of the California Ground Squirrel
, Journal of Mammalogy 26: 438 (1945)

Observations on the trifid tails in two specimens of Hemidactylus flaviviridis with a note on the artificial regeneration of double and triple tails of the Tokhak Lizard Gecko verticillatus
, Journal of the Bombay Natural History Society 35: 657-662 (1932)

Observations on the trombiculid mites of Takaoka district, Toyama
, Prefecture Jap J sanit Zool 6: 164-165 (1954)

Observations on the trombiculid mites of Takaoka district, Toyama Prefecture
, Japanese Journal of Sanitary Zoology 6: 164-165 (1955)

Observations on the trophic significance of jellyfishes in Mississippi Sound with quantitative data on the associative behavior of small fishes with medusae
, Transactions of the American Fisheries Society 98: 703-712 (1969)

Observations on the tropical rat mite, Liponyssus bacoti, as an ecto-parasite of laboratory animals and suggestions for its control
, Journal of Parasitology Lancaster 321: 56-60 (1940)

Observations on the trout-perch Percopsis omiscomaycus (Walbaum) at Heming Lake, Manitoba
, Journal of the Fisheries Research Board of Canada 11: 1-4 (1954)

Observations on the trypanosome of Pipistrellus pipistrellus in Britain, Trypanosoma (Schizotrypanum) vespertilionis
, Annls Soc belge Med trop 51: 335-348 (1971)

Observations on the tube-forming habits of Panthalis oerstedi
, Proceedings of the Liverpool Biological Society, IX 169-188 (1895)

Observations on the tufted ducks nesting in Hungary
, Aquila 73-74: 193-194 (1967)

Observations on the tumor-like growths in the chuckwalla, Sauromalus varius
, J Herpet 5: 76-78 (1971)

Observations on the two forms of the Periodical Cicada Magicicada septendecim (L.)
, Proceedings of the Indiana Academy of Science 63: 177-179 (1954)

Observations on the type specimen of the fossil Cetacean Anoylonassa forcipata, Cope
, Bulletin of the Museum of Comparative Zoology at Harvard College, 51 97-106 (1907 )

Observations on the type-material of some genera and species of Polyzoa
, Bull Brit Mus Nat Hist Zool 14(3): 57-78 (1966)

Observations on the Ultimobranchial Body in Rana Pipiens
, Anatomical Record 148: 219-229 (1964)

Observations on the ultimobranchial gland in small wild and laboratory mammals, with special reference to the histochemical localization of polysaccharides
, Journal of Morphology 120: 425-442 (1966)

Observations on the ultra-structure of the suctorial tube of ancistrocomid ciliates
, Folia Parasitologica 15: 291-308 (1968)

Observations on the ultrastructure and size of the hepatocytes of the lungfish Lepidosiren paradoxa (Dipnoi, Pisces)
, Acta Biologica Cracoviensia Serie Zoologique 162: 247-255 (1973)

Observations on the ultrastructure of a cephalic sense organ of the nematode Mermis nigrescens
, Journal Zool London 1732: 247-250 (1974)

Observations on the ultrastructure of a fiber network in the flagellum of sperm of the blush tailed phalanger, Trichosurus vulpecula
, Journal of Ultrastructure Research 50(2): 193-198 (1975)

Observations on the ultrastructure of hepatic cells of the chub (Leuclscus cephalus L. ) and roach (Rutilus rutilus L.)
, Acta Biologica Cracoviensia Serie Zoologique 14: 279-284 (1971)

Observations on the ultrastructure of hepatic cells of the stone-loach (Nemachllus barbatulusL. ) and perch (Perca fluvialilis L.)
, Acta Biologica Cracoviensia Serie Zoologique 14: 151-156 (1971)

Observations on the ultrastructure of isolated mitochondria from normal rat liver
, Acta Universitatis Lundensis (NF): 493: 1-11 (1954)

Observations on the ultrastructure of nerve cells in the brain of the earthworm, Eisenia foetida, with special reference to neurosecretion
, Zeitschrift fuer Zellforschung und Mikroskopische Anatomie 72: 534-542 (1966)

Observations on the ultrastructure of nerve cells in the brain of the planarian, Dugesia gonocephala
, Zeitschrift für Zellforschung und Mikroskopische Anatomie 66(6): 782-793 (1965)

Observations on the Ultrastructure of Nucleated Erythrocytes and Thrombocytes, with Particular Reference to the Structural Basis of their Discoidal Shape
, Zeitschrift für Zellforschung und Mikroskopische Anatomie 62: 785-806 (1964)

Observations on the ultrastructure of spermatozoa and spermiogenesis in the monogenean Gyrodactylus eucallae Ikezaki et Hoffman, 1957. Trudy dal'nevost. nauch. tsentralbiol. pochv
, Trudy dal'nevost. nauch. tsentralbiol. pochv. Inst 34137: 70-74 (1976)

Observations on the ultrastructure of the buccal apparatus in thigmotrich ciliates and their bearing on thigmotrich-peritrich affinities
, Journal of Protozoology 15(4): 824-840 (1968)

Observations on the ultrastructure of the cyst of Posthodiplostomum minimum
, ASB Bull, 9: 36 (1962)

Observations on the ultrastructure of the developing cerebellum of Macaca mulatto
, Journal of Comparative Neurology 130: 1-23 (1967)

Observations on the ultrastructure of the ectodermal component during odontogenesis in Helostoma temmincki
, Anatomical Record 166(2): 167-187 (1970)

Observations on the ultrastructure of the eye of the basommatophoran snail Lymnaea stagnalis (L.)
, Proceedings K ned Akad Wet (Biol med Sci): 764: 414-424 (1973)

Observations on the ultrastructure of the flame cell in cercaria of Schistosoma mansoni and Schistosoma japonkum
, Japanese Journal of Parasitology 9: 379-380 (1960)

Observations on the ultrastructure of the oviduct of the Costa Rican green turtle (Chelonia mydas L.)
, Journal of exp mar Biol Ecol 211: 75-90 (1976)

Observations on the ultrastructure of the pineal eye
, Journal of the Royal Microscopical Society 379: 47-58 (1960)

Observations on the ultrastructure of three new species of Cyathobodo Petersen et Hansen (C. salpinx, C. intricatus and C. simplex ) and on the external morphology of Pseudodendromonas vlkii Bourrely
, Protistologica 122: 249-261 (1976)

Observations on the undulatory motion of the costa in the zooflagellate Trichomitopsis termopsidis
, Transactions of the American Microscopical Society 90(3): 309-313 (1971)

Observations on the uneven distribution of the oceanic plankton
, Discovery Reports Cambridge 11: 511-538 (1936)

Observations on the unsuccessful rearing of two white-cheeked turacos Tauraco leucotis leucotis at Padstow Tropical Bird Gardens
, International Zoo Yb3: 122-123 (1973)

Observations on the unusual nesting of a killdeer
, Ontario Field Biologist 23: 44 (1969)

Observations on the uptake of 35sulfur by the hypothalamo-hypophysial system of the white-crowned sparrow (Zonotrichia leucophrys gambelli), following intraventricular injection of SSS DL-cystine
, Zeitschrift fuer Zellforschung und Mikroskopische Anatomie 69: 228-245 (1966)

Observations on the uptake of 35sulphur by the hypothalamo-hypophysial system of the white-crowned sparrow (Zonotrichia leucophrys gambelii) following intraventricular injection of of 35S DL-cysteine
, Z Zellforch mikrosk Anat 69: 228-245 (1966)

Observations on the urban feeding habits of the roadrunner (Geococcyx californianus)
, Condor(2): 246. (1973)

Observations on the urine of Trichosurus vulpecula
, Austi. Sydney: 178 (1940)

Observations on the urinogenital ducts of the Egyptian toad, Bufo regularis Reuss
, Bulletin zool Soc Egypt 24: 15-19 (1972)

Observations on the urinogenital system of Breviceps poweri Parker
, Proceedings Zool Society india 15(1): 65-73 (1962)

Observations on the urogenital organs of Microhyla ornata (Dum. & Bib.)
, Proceedings of the National Institute of Sciences of India 10: 183-192 (1944)

Observations on the use by sea birds of human fishing activities
, British Birds 53: 212-215 (1960)

Observations on the use of Kendall's medium in the cultivation of Endamoeba histolytica
, Proceedings of the Society for Experimental Biology and Medicine 29: 663 (1932)

Observations on the use of amprolium in the treatment of acute coccidiosis in calves
, Irish Veterinary Journal 22: 142-145 (1968)

Observations on the use of food by the silkworm (Bombyx mori L.)
, Folia Entomologica Hungarica NS: 10: 263-274 (1957)

Observations on the use of furanace for the control of Vibrio disease in marine flatfish
, Aquaculture 33: 295-302 (1974)

Observations on the use of grottos by Mediterranean monk seals ( Monuchces monachus)
, Journal Zool London 1752: 291-298 (1975)

Observations on the use of hetrazan in onchoceicariasis in Mexico
, AmeroMed: 628-632 (1951)

Observations on the use of mucus envelopes by the California sheephead, Pimelometopon pulchrum, on southern California rock reefs
, Copeia 3: 789-790 (1974)

Observations on the use of size limits in the regulation of whaling
, Norsk Hvalfangsttidende Sandefjord 43: 192-198 (1954)

Observations on the use of stubs by wild birds: a 10 year update
, British Columbia Journal of Ecosystems and Management 11: 1-5 (2001)

Observations on the use of terramycin and vigofac1 enriched diet on bangos fry, Chanos chanos (Forskal)
, Philippine Journal of Fisheries 5: 113-124 (1959)

Observations on the use of the exercise-wheel in relation to the social rank and hormonal conditions in the bank vole (Clethrionomys glareolus), and the Norway lemming (Lemmus lemmus)
, Zeitschrift für Tierpsychologie 29(2): 180-195 (1971)

Observations on the utilisation of tubificid worms by Heteropneustes fossilis (Bloch)
, Journal Inland FishIndia: 135-137 (1971)

Observations on the value of l1 in herring investigations
, Rapport Conseil Exploration Mer 128(Pt. 1: 39-46 (1951)

Observations on the variability of the Tasmanian Unio
, Pc. Tasm: 95-96 (1892)

Observations on the variability of wing venation in the honeybees
, Journal of the Faculty of Science Hokkaido University Zoology 6: 14: 175-184 (1959)

Observations on the variation of Cyllo leda of Linnaeus, and on the different forms of that Insect in the National Collection
, Annals and Magazine of Natural History, Vol. XIX 51-54 (1867)

Observations on the variations in planktonic copepod Undinula vulgaris (Dana 1849) from the north Arabian sea
, University Studies University of Karachi 5: 86-92 (1968)

Observations on the vascularity of the valves of the foetal bovine heart
, Anatomischer Anzeiger 130(1): 50-55 (1972)

Observations on the vasculature of the baboon placenta (papio sp.) with special reference to the transverse communicating artery
, Folia Primatologica; International Journal of Primatology 9(1): 68-77 (1968)

Observations on the venom of the Sydney-funnel-web spider (Atrax robustus)
, Medst: 693-699 (1962)

Observations on the venomous effect of Naja bungarus
, Mededeel Volksgezondheid Nederlandsch Indie 18(2): 304-309 (1929)

Observations on the venous system in certain Pinnipedia and Cetacea
, Proceedings of the Zoological Society of London 126: 205-233 (1956)

Observations on the venous system of three species of Polypterus (Pisces)
, Journal of Zoology London 152: 19-30 (1967)

Observations on the veronicellid slugs of the southern United States
, Nautilus Philad 913: 108-114 (1977)

Observations on the vertical distribution of Bosmina spp. (Crustacea : Cladocera) in Malham Tarn and in Grasmere
, Annals and Magazine of Natural History Series 12: 6: 717-720 (1953)

Observations on the vertical distribution of the benthos in a Malaysian stream
, Freshwater Biol 32: 147-156 (1973)

Observations on the vertical distribution of the genus Acanthephyra (Crustacea: Decapoda) in the eastern north Atlantic, with particular reference to species of the 'Purpurea' group
, Proceedings REdinb. (B): 301-313 (1972)

Observations on the vertical migration nf infective larvae of certain bureate nematodes
, Journal of Helminthology London 18: 173-182 (1940)

Observations on the vertical migrations of the third-stage larva of Haemonchus contortus (Rud.) on experimental plots of Lolium perenne S24, in relation to meteorological and micrometeorological factors
, Parasitology 40(1-2): 127-143 (1950)

Observations on the viability and morphology of Plasmodium berghei after direct contact with liquid nitrogen
, Transactions of the Royal Society of Tropical Medicine and Hygiene 55: 10-11 (1961)

Observations on the visceral motor component of the ninth and seventh cranial nerves in the hedgehog, Erinaceus europaeus L
, Acta Anatomica 57: 338-348 (1964)

Observations on the vital staining of Opalina ranarum in connection with Bethe's hypothesis
, Proceedings of the Third Congress of Russian Zoologists Anatomists and Histologists Leningrad 1928: 220-221 (1929)

Observations on the vocal behavior of chelonians
, Herpetologica(3): 277-280 (1972)

Observations on the vocal behaviour of free-ranging squirrel monkeys (Saimiri sciureus)
, Zeitschrift für Tierpsychologie 31(1): 1-7 (1972)

Observations on the vocalization of a captive infant orang-utan (Pongo pygmaeus)
, Sarawak Museum Journal 45: 237-250 (1976)

Observations on the voice and some displays of certain pigeons
, Avicultural Magazine 62: 17-33, 62-70 (1956)

Observations on the voluntary display of coremata in Estigmene acrea (Lepidoptera: Arctiidae)
, Pan-Pacific Entomologist 38: 195-198 (1962)

Observations on the vomeronasal organ of Pteronotus macleayii and Pteronotus quadridens (Chiroptera: Mormoopidae)
, Mammalia 70(3-4): 288-292 (2006)

Observations on the walrus (Odobenus rosmarus L.) in Spitsbergen in 1971-1972
, Annales Zool fenn 123: 193-196 (1975)

Observations on the walrus (Odobenus rosmarus) in captivity
, Zoologische Garten Leipzig 18: 227-234 (1951)

Observations on the wandering of the Crossbill (Loxia curvirostra L.)
, Ornis Fennica 29: 116-117 (1952)

Observations on the wanderings of perch-pike Lucioperca lucioperca (L.) in the Odra Estuary
, Przeglad Zoologiczny 13(2): 191-195 (1969)

Observations on the water economy and electrolyte excretion of chuck-wallas (Lacertilia, Sauromalus)
, Copeia, 638-646 (1964)

Observations on the water metabolism of Australian hopping mice
, Bulletin Australian Mammal Society 2(5): 117 (1968)

Observations on the water opossum or yapok Chironectes minimus in captivity
, International Zoo Yearbook 15: 4-6 (1975)

Observations on the water snails of Monaro and New England, N.-S.-W., with especial reference to their cercarin carrying capacity
, Medical Journal of Australia 1920: 147-159 (1943)

Observations on the water-vascular system in Echinarachnius parma
, Zoologischer Anzeiger 38: 323-326 (1911)

Observations on the weightand disk's width of the Raya pintada Potamotrygon magdalenae (Dumeril)
, Acta scient. Inst. latinoam. Fisiol. Reprod.: 8 7-10 (1970)

Observations on the weights of Birds' eggs
, Irish Naturalist, 216-219 (1909)

Observations on the wheat curl mite, Aceria tulipae (K.), Acarina, Eriophyidae) on wheat and sorghum sprouted under ripening wheat
, Journal of the Kansas Entomological Society 30: 25-28 (1957)

Observations on the white-backed vulture Gyps africanus in the Kruger National Park, with notes on other avian scavengers
, Koedoe 18: 51-68 (1975)

Observations on the white-breasted sea-eagle
, Australian Bird Watcher 1: 194-196 (1962)

Observations on the white-faced wasp Dolichovespula maculata (Linn.) (Vespidae, Hymenop-tera)
, Annals of the Entomological Society of America 47: 445-458 (1954)

Observations on the white-footed mouse in eastern Kansas
, Transactions of the Kansas Academy of Science 58: 225-228 (1955)

Observations on the white-headed plover
, East African Wildlife Journal 6: 142-144 (1968)

Observations on the wildlife of Nara Wetland Complex, Tehsil Nara, District Khairpur, Sindh with special reference to the waterbirds
, Pakistan Journal of Zoology 38(1): 21-25 (2006)

Observations on the wildlife sanctuaries of India
, Journal of the Bombay Natural History Society 693: 574-590 (1972)

Observations on the winking or barking owl
, Australian Bird Watcher 2: 102-104 (1964)

Observations on the winter activities of desert reptiles
, Ecology 22(2): 125-140 (1941)

Observations on the winter activity of the red-backed salamander Plethodon cinereus, in Indiana
, Herpetologica 311: 21-22 (1975)

Observations on the winter behaviour of the white helmet shrike, Prionops plumata
, Ostrich 37: 3-5 (1966)

Observations on the wintering flocks of Canada Gccssc in Nova Scotia
, Canadian Field-Naturalist 37: 26-28 (1923)

Observations on the wintering of the Wren and the Starling
, Ornis Fennica 30: 83-91 (1953)

Observations on the wood frog Sana syhxitica in Alaska
, Ecology 43: 146-147 (1962)

Observations on the wound repair processes in the freshwater crayfish Procambarus sp
, Journal Invertebrate Path 253: 391-393 (1975)

Observations on the yam nematode (Rotylenchus bradys (Steiner and Le Hew, 1933) Filipjev, 1935)
, Phytopathology Lancaster 27: 865-867 (1937)

Observations on the yolk-nucleus in the eggs of Lumbricts
, Transactions of the New York Academy, XIV 222-230 (1895)

Observations on the yolk-nucleus in the eggs of Lumbricus
, Transactions of the New York Academy, 222-230 (1895)

Observations on the young of Eutamias
, Murrelet Seattle 28: 84 (1943)

Observations on the young of Ranatra quadridentala Stal
, Biological Bulletin Wood's Hole, 12 158-164 (1907)

Observations on the young of the Red Kangaroo
, American Naturalist, 61 724-725 (1907)

Observations on the, gemmule and egg development of Marine sponges
, Jol: 277-406 (1894)

Observations on thecate swarmers of Pyrocystis species in laboratory culture: Pyrocystis fusiformis Wyville Thomson ex Murray and Pyrocystis pseudonoctiluca Wyville Thomson ex Murray (Dinococcales)
, Phycologia 164: 359-365 (1977)

Observations on theileriosis in Palestine
, Arch Inst Pasteur Algerie 13(4): 451-470 (1935)

Observations on thermal resistance of Trichomonas gallinae and T. vaginalis
, Journal of Parasitology Suppl 45: 51-52 (1959)

Observations on thick-billed grasswrens on the north Olary Plains
, South Australian Ornithologist 34(2-3): 70-74 (2003)

Observations on tho behaviour of pulmonary vessels in the isolated perfused Rat lungs
, Indian Journal of Medical Research 30: 623-627 (1942)

Observations on tho biology of Aphis nerii (Fonsc)
, Journal of the Bombay Natural History Society 46: 684-686 (1947)

Observations on tho colonies of the Arctic Tern (Sterna macrura Naumann) on the Fame Islands
, Proceedings of the Zoological Society of London, 112A 1-12 (1942)

Observations on tho distribution and breeding of the Asterine Warbler in Sweden
, Fauna och Flora Uppsala, 186-220 (1948)

Observations on tho division of Eudi-plodinium neglectum Dogiel (1925) (Ciliata; Entodiniomorpha)
, Proceedings of the Society of Protozoologists 4: 5-6 (1954)

Observations on tho ecology and natural history of Anura. XI. The invasion of the Canadian River Flood Plain by two prairie species
, Proceedings of the Oklahoma Academy of Science 22: 73-75 (1941)

Observations on tho growth of Cyprinus carpio in tropical environment at the Chetput Fish Farm, Madras
, Proceedings of the Indian Science Congress, 35th 3: 206 (1949)

Observations on tho identity of the Saldidae and certain other aquatic and semi-aquatic families in the Dale collection of British Hemip-tera-Heteroptera
, Entomologist's Monthly Magazine 84: 125-127 (1948)

Observations on tho lake trout of Great Bear Lake
, Journal of the Fisheries Research Board of Canada 7: 176-189 (1948)

Observations on tho sizes and shapes of the red corpuscles of the blood of Vertebrates
, P: 474-495 (1875)

Observations on three gastro intestinal problems encountered in baby gorillas. Annual
, Proceedings Am Ass Zoo Vet 1973: 273-277 (1974)

Observations on three gynandromorphs of Caraphractus cinetus Walker (Hym., Mymaridae), and notes on antennal variation in this species
, Entomologist's Monthly Magazine 95: 198-203 (1960)

Observations on three opisthobranches (Mollusca: Gastropoda) of the La Paz area, Baja California, Mexico
, Southwestern Naturalist 182: 165-176 (1973)

Observations on three species of Chaoborus Licht. (Diptera: Culicidae) at Churchill, Manitoba
, Mosquito News Albany NY: 18: 242-248 (1958)

Observations on three species of East African Chironomidae (Diptera)
, Arb Univ Bergen (Naturw): 1958(17): 1-20 (1959)

Observations on three species of Phidippus jumping spiders (Araneae: Salticidae)
, Psyche Cambridge 72: 133-147 (1965)

Observations on three species of Vexillum (Gastropoda)
, Veliger: 184-191 (1962)

Observations on three species of baleen whales off northern Newfoundland and adjacent waters
, Journal Fish Res Bd Canada 349: 1436-1440 (1977)

Observations on three species of jellyfishes from Chesapeake Bay with special reference to their toxins. 2. Cyanea capillata
, Biological Bull Mar Biol Lab Woods Hole 1433: 617-622 (1972)

Observations on three sympatric species of Tapaculos (Rhinocryptidae) in Argentina
, Ibis 111: 239-240 (1969)

Observations on threshold intensity and sensitivity to different wave lengths of photoperiodic responses in the Colorado beetle (Leptinotarsa decemlineata Say)
, Entomologia Experimentalis et Applicata 1: 301-307 (1958)

Observations on thrips with description of a new species
, Australian Zool 11(3): 255-258 (1948)

Observations on thyroidal control of sloughing in the garter snake, Thamnophis sirtalis
, Copeia 1: 158-163 (1972)

Observations on tick repellants
, Journal of Economic Entomology 393: 374-378 (1946)

Observations on ticks (Ixodoidea) of Libya
, Annals of the Entomological Society of America 53: 445-457 (1960)

Observations on tiger salamanders (Ambystoma tigrinum complex, family Ambystomatidae) in Mexico with description of a new species
, Bulletin of the: 122-143 (2004)

Observations on times of feeding
, British Birds 29: 45-49 (1935)

Observations on tissue schizogony and sporogony of rodent malaria
, Annales des Societes Belges de Medecine Tropicale de Parasitologie et de Mycologie 48(5): 535-540 (1968)

Observations on tongue extension of vine snakes (Genus Oxybelis) with suggested behavioral hypotheses
, Herpetologica(1): 131-133 (1975)

Observations on tool use in captive lion-tailed macaque (Macaca silenus)
, Current Science 94(7): 925-928 (2008)

Observations on tooth-development in Ornithorhynchus
, Quarterly Journal of Microscopical Science, 51 137-165 (1907)

Observations on torpidity in captive chipmunks of the genus Eutamias
, Ecology 44(2): 255-261 (1963)

Observations on toxoplasmosis in pigeons
, Journal of Parasitology Suppl 38: 12 (1952)