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  1. By: Billups, A. C.
    Type: Article
    In: The Nautilus
    Volume: 16
    Date: 1902
    Page Range: 50--52
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  2. By: Billups, A. C.
    Type: Article
    In: The Nautilus
    Volume: 16
    Date: 1903
    Page Range: 112--114
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  3. By: Billups, A. C.
    Type: Article
    In: The Nautilus
    Volume: 16
    Date: 1903
    Page Range: 125--128
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  4. By: Billups, A. C.
    Type: Article
    In: The Nautilus
    Volume: 17
    Date: 1903
    Page Range: 22--24
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc