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Proceedings of the Academy of Natural Sciences of Philadelphia v.42 (1890)

Parts

  1. By: Pilsbry, Henry Augustus,
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 42
    Date: 1890
    Page Range: 63--64
    Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  2. By: Sharp, Benjamin,
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 42
    Date: 1890
    Page Range: 148--149
    Publication info: Philadelphia, Academy of Natural Sciences of Philadelphia,