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A new dwarf toad from Southeastern Brazil
Vol 37, Iss 1, Page 1
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Sexual broods and the production of young queens in two species of army ants
Vol 37, Iss 2, Page 5
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Spectral effects on the growth rate and endocrine histology of the teleost, Astyanax mexicanus
Vol 37, Iss 3, Page 33
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Fungus associated with a granuloma in a Turkish fish, Aphanius chantrei Gaillard
Vol 37, Iss 4, Page 43
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Deep-sea fishes of the Bermuda Oceanographic Expeditions. Families Cetomimidae and Rondeletiidae
Vol 37, Iss 5, Page 55
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The effects of prolonged treatment with acriflavine on the killifish, Fundulus heteroclitus (Linnaeus)
Vol 37, Iss 6, Page 73
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Effects of ACTH and cortisone on the pituitary, thyroid and gonads of the teleost Astyanax mexicanus
Vol 37, Iss 7, Page 77
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The effects of holothurin on fish, and mice with Sarcoma 180
Vol 37, Iss 8, Page 89
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Sex determination in Xiphophorus (Platypoecilus) maculatus. III. Differentiation of gonads in platyfish from broods having a sex ratio of three females to one male
Vol 37, Iss 9, Page 91
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Four new species of Geometridae (moths) from Rancho Grande, north-central Venezuela
Vol 37, Iss 10, Page 101
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The Mutillidae (wasps) of British Guiana
Vol 37, Iss 11, Page 105
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A revision of the fishes of the subfamily Alfarinae in the family Poeciliidae
Vol 37, Iss 12, Page 151
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Introduction to the ecology of the Arima Valley, Trinidad, B.W.I.
Vol 37, Iss 13, Page 157
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Spontaneous neoplasms in fishes. VI. Thyroid tumors in marine fishes
Vol 37, Iss 14, Page 185
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Further comparisons of length and voltage in the electric eel, Electrophorus electricus (Linnaeus)
Vol 37, Iss 15, Page 191
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A contribution to the life history of Colobura (Gynaecia auct.) dirce dirce (Linnaeus). (Butterfly)
Vol 37, Iss 16, Page 199
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The Saturnioidea (Moths) of Rancho Grande, North-central Venezuela
Vol 37, Iss 17, Page 203
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The functional morphology of the egg-eating adaptations in the snake genus Dasypeltis
Vol 37, Iss 18, Page 209
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An annotated list of the mantids (Orthoptera, Mantoidea) of Trinidad, B.W.I.
Vol 37, Iss 19, Page 245
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A comparative study of innate defensive behavior in Trinidad mantids (Orthoptera, Mantoidea)
Vol 37, Iss 20, Page 259
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An experimental study of the color vision of the giant tortoise
Vol 37, Iss 21, Page 295