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  1. By: Dowling, Herndon G. (Herndon Glenn), - Cope, E. D. (Edward Drinker),
    Publication info: New York, N.Y, American Museum of Natural History, [1969]
    Holding Institution: American Museum of Natural History Library
    Subjects: Classification  Generative organs  Hemipenis  Reptiles  Snakes  South America  Tropidodryas