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Migration of Nymphalidae (Nymphalinae), Brassolidae, Morphidae, Libytheidae, Satyridae, Riodinidae, Lycaenidae and Hesperiidae (Butterflies) through Portachuelo Pass, Rancho Grande, North-central Venezuela
Vol 36, Iss 1, Page 1, Date 1951-04-20
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Deep-sea Fishes of the Bermuda Oceanographic Expeditions. Family Paralepididae
Vol 36, Iss 2, Page 17, Date 1951-04-20
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Miscellaneous notes on the eggs and young of Texan and Mexican reptiles
Vol 36, Iss 3, Page 37, Date 1951-04-20
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Sexual behavior in the guppy, Lebistes reticulatus (Peters)
Vol 36, Iss 4, Page 49, Date 1951-04-20
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Eastern Pacific Expeditions of the New York Zoological Society. XLIII. Mollusks from the West Coast of Mexico and Central America. Part X
Vol 36, Iss 5, Page 67, Date 1951-08-20
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Spontaneous neoplasms in fishes. V. Acinar adenocarcinoma of the pancreas in a hybrid platyfish
Vol 36, Iss 6, Page 121, Date 1951-08-20
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Genetics of Platypoecilus maculatus. V. Heterogametic sex-determing mechanism in females of a domesticated stock originally from British Honduras
Vol 36, Iss 7, Page 127, Date 1951-08-20
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Sex determination in Platypoecilus maculatus. I. Differentiation of the gonads in members of all-male broods
Vol 36, Iss 8, Page 135, Date 1951-08-20
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Sex determination in Platypoecilus maculatus. II. History of a male Platyfish that sired all-female broods
Vol 36, Iss 9, Page 147, Date 1951-08-20
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Notes on some New York oribatid mites
Vol 36, Iss 10, Page 155, Date 1951
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Response of a spontaneous fish lymphosarcoma to mammalian ACTH
Vol 36, Iss 11, Page 163, Date 1951-10-20
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A study of the social behavior of a captive herd of giant tortoises
Vol 36, Iss 12, Page 171, Date 1951-10-20
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A new genus and species of Lithosiinae (moths) from Rancho Grande, North-central Venezuela
Vol 36, Iss 13, Page 183, Date 1951-10-20
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Western Atlantic tonguefishes with descriptions of six new species
Vol 36, Iss 14, Page 185, Date 1951-10-20
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Agglutinins and agglutinogens in the blood of wild animals
Vol 36, Iss 15, Page 203, Date 1951-10-20
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Parasites of fish in the Upper Snake River drainage and in Yellowstone Lake, Wyoming
Vol 36, Iss 16, Page 213, Date 1951-10-20
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Report on a collection of spiders and harvestmen from Wyoming and neigh-boring States
Vol 36, Iss 17, Page 219, Date 1951-12-28
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A spontaneous epithelioma in the platyfish, Xiphophorus (Platypoecilus) variatus
Vol 36, Iss 18, Page 239, Date 1951-12-28
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Migration of day-flying moths through Portachuelo Pass, Rancho Grande, North-central Venezuela
Vol 36, Iss 19, Page 243, Date 1951-12-28
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Migration of insects (other than Lepidoptera) through Portachuelo Pass, Rancho Grande, North-central Venezuela
Vol 36, Iss 20, Page 255, Date 1951-12-28
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A new fish of the genus Gambusia from Southern Veracruz, Mexico, with a discussion of the tribe Gambusiini Hubbs
Vol 36, Iss 21, Page 267, Date 1951-12-28
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Epidermal fin tumors in the Gobiid fish, Bathygobius soporator
Vol 36, Iss 22, Page 273, Date 1951-12-28
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A new giant toad from Southwestern Colombia
Vol 36, Iss 23, Page 279, Date 1951-12-28