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By: Bogert, Charles M. (Charles Mitchill), - Duellman, William E. (William Edward), - Hallberg, Boone.Edition:Publication info: New York, N.Y, American Museum of Natural History, [1963]Volume: no. 2162Series:Holding Institution: American Museum of Natural History LibrarySubjects: 59.81,2C(72.7) Classification Cryophis hallbergi Mexico Oaxaca (State) Reptiles SnakesBHL Collections: