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  1. By: Clark, Eugenie, - Kamrin, Robert Paul,
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.7,55P:11,613  Anatomy  Fins (Anatomy)  Fishes  Guppies  Poeciliidae  Reproduction  Sexual behavior in animals  Xiphophorus