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By: Clark, Eugenie, - Kamrin, Robert Paul,Edition:Publication info: New York, American Museum of Natural History, [1951]Volume: no. 1509Series:Holding Institution: American Museum of Natural History LibrarySubjects: 59.7,55P:11,613 Anatomy Fins (Anatomy) Fishes Guppies Poeciliidae Reproduction Sexual behavior in animals XiphophorusBHL Collections: