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Journal of the Academy of Natural Sciences of Philadelphia ser.2:v.6 (1866-1869)

Parts

  1. By: Cope, E. D. (Edward Drinker),
    Type: Article
    In: Journal of the Academy of Natural Sciences of Philadelphia
    Volume: 6
    Series: 2
    Date: 1867
    Page Range: 189--206
    Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia, 1817-1918