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

Parts

  1. By: Cope, E. D. (Edward Drinker),
    Type: Article
    In: The American naturalist
    Volume: 27
    Date: 1893-05
    Page Range: 477--483
    Publication info: Chicago, Ill. [etc.], Published for the American Society of Naturalists by the University of Chicago Press [etc.],