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A monograph of the genus Taphrina
Vol 33, Iss 1, Page 3, Date 1949-04-20
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A preliminary account of the herpetology of the state of San Luis PotosÃ, México
Vol 33, Iss 2, Page 169, Date 1949-04-20
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A review of the lizard genus Barisia
Vol 33, Iss 3, Page 217, Date 1949-04-20
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Costa Rican frogs of the genera Centrolebe and Centrolenella
Vol 33, Iss 4, Page 257, Date 1949-04-20
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Two new teiid lizards from Costa Rica
Vol 33, Iss 5, Page 271, Date 1949-04-20
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New salamanders from Costa Rica
Vol 33, Iss 6, Page 279, Date 1949-04-20
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Studies on Kansas Mosses I
Vol 33, Iss 7, Page 291, Date 1950-03-20
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Type localities of Mexican reptiles and amphibians
Vol 33, Iss 8, Page 313, Date 1950-03-20
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Anomalies Found in a Series of Fetal and Newborn Puppies
Vol 33, Iss 9, Page 381, Date 1950-03-20
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The Bees of the Genus Proteriades (Hymenoptera, Megachilidae)
Vol 33, Iss 10, Page 387, Date 1950-03-20
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Second contribution to the herpetology of San Luis PotosÃ
Vol 33, Iss 11, Page 441, Date 1950-03-20
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On the status of the family Desmognathidae (Amphibia, Caudata)
Vol 33, Iss 12, Page 459, Date 1950-03-20
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Ceylones lizards of the family Scincidae
Vol 33, Iss 13, Page 481, Date 1950-03-20
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The snakes of Ceylon
Vol 33, Iss 14, Page 519, Date 1950-03-20