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  1. Polymorphism and evolution of the Hispaniolan snake genus Uromacer (Colubridae)
    By: Horn, H S
    Type: Article
    In: Breviora.
    Volume: 324
    Date: 1969
    Page Range: 1--23
    Publication info: Cambridge, Mass. :Museum of Comparative Zoology, Harvard University,[1952-
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