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  1. By: Lewis, James
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 30
    Date: 1878
    Page Range: 273--275
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  2. By: Lewis, James
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 24
    Date: 1872
    Page Range: 97--107
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  3. By: Lewis, James
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 29
    Date: 1877
    Page Range: 26--36
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,