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A field study of Costa Rican lizards
Vol 50, Iss 2, Page 39
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A caecilian miscellany
Vol 50, Iss 5, Page 187
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A caecilian miscellany
Vol 50, Iss 5, Page 187
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The Caecilians of Ecuador
Vol 50, Iss 7, Page 333
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The caecilians of Ecuador
Vol 50, Iss 7, Page 333
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Biology and Immature Stages of Pseudomethoca f. frigida, With Notes on Other Species (Hymenoptera: Mutillidae)
Vol 50, Iss 1, Page 1
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A Comparison of Various Techniques of Multiple Factor Analysis Applied to Biosystematic Data
Vol 50, Iss 3, Page 127
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Descriptions of Larvae and Key to Fourth Instars of North American Panorpa (Mecoptera: Panorpidae)
Vol 50, Iss 4, Page 163
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Taxonomic and Ontogenetic Studies of Cockroaches (Blattaria)
Vol 50, Iss 6, Page 233
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The Status and Faunal Affinities of the Summer Birds of Western Kansas
Vol 50, Iss 8, Page 347