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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Myers, Charles W.
    Publication info: New York, N.Y, American Museum of Natural History, [1973]
    Holding Institution: American Museum of Natural History Library
    Subjects: Andes Region  Classification  Colombia  Colubridae  Ecuador  Evolution  Reptiles  Saphenophis  Saphenophis sneiderni  Snakes  South America