The American naturalist. v.27:pt.1=no.313-318 (1893)


  1. Prodromus of a new system of non-venomous snakes
    By: Cope, E. D. (Edward Drinker),
    Type: Article
    In: The American naturalist.
    Volume: 27
    Date: 1893
    Page Range: 477--483
    Publication info: Chicago, Ill. [etc.]Published for the American Society of Naturalists by the University of Chicago Press [etc.]
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