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  1. By: Dowling, Herndon G. (Herndon Glenn),
    Publication info: New York, N.Y, American Museum of Natural History, [1959]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.81,2:11.613  Anatomy  Classification  Colubridae  Elaphe helena  Generative organs  Hemipenis  Snakes  Tropidoclonion lineatum