MORPHOLOGICAL VARIATION IN THE ENDEMIC COLOMBIAN WATER SNAKE, HELICOPS DANIELI AMARAL, 1937 (SERPENTES: XENODONTIDAE) von A. Rossman, Douglas

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A New Species of Dicranomyia (Idiopyga) from Wisconsin, U.S.A. (Diptera: Tipulidae) von Byers, George W., Rossman, Douglas A.

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Preliminary survey of the crane flies of Louisiana (Diptera: Tipulidae, Ptychopteridae) von Byers, G.W, Rossman, D.A

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Morphological variation in the endemic Colombian water snake, Helicops danieli Amaral, 1937 von Rossman, Douglas A

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The systematic relationships of the snake genus Anomochilus von CUNDALL, DAVID, WALLACH, V., ROSSMAN, DOUGLAS A.

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The systematic relationships of the snake genus Anomochilus von Cundall, David, Wallach, V., Rossman, Douglas A.

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Cephalic anatomy of the rare Indonesian snake Anomochilus weberi von CUNDALL, DAVID, ROSSMAN, DOUGLAS A.

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Cephalic anatomy of the rare Indonesian snake Anomochilus weberi von Cundall, David, Rossman, Douglas A.

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A New Dactylolabis Osten Sacken (Diptera: Tipulidae) from North Carolina von Byers, G W, Rossman, DA

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Variation in the Peruvian Dipsadine Snakes Sibynomorphus oneilli and S. vagus von Rossman, Douglas A., Kizirian, David A.

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Behavioral and Morphological Adaptations for Snail Extraction in the North American Brown Snakes (Genus storeria) von Rossman, Douglas A., Myer, Patrick A.

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Taxonomic Status of the West African Colubrid Snake Natrix firestonei von Rossman, Douglas A.

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Redescription of the South American Colubrid Snake Helicops hagmanni Roux von Rossman, Douglas A.

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Evidence for the Conspecificity of Carphophis amoenus (Say) and Carphophis vermis (Kennicott) von Rossman, Douglas A.

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Liodytes Resurrected, Reexamined, and Reinterred von Rossman, Douglas A.

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Evidence for Conspecificity of the Mexican Garter Snakes Thamnophis phenax (Cope) and Thamnophis sumichrasti (Cope) von Rossman, Douglas A.

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The Blue Ridge Two-Lined Salamander, Eurycea bislineata wilderae, in Southern Alabama von Rossman, Douglas A.

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Ecosystematic Relationships of the Salamanders Desmognathus fuscus auriculatus Holbrook and Desmognathus fuscus carri Neill von Rossman, Douglas A.

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Chorus Frog (Pseudacris nigrita ssp.) Intergradation in Southwestern Illinois von Rossman, Douglas A.

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A New Race of Desmognathus Fuscus from the South-Central United States von Rossman, Douglas A.

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