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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Schwengel, J S
    Type: Article
    In: The Nautilus
    Volume: 56
    Date: 1942
    Page Range: 62--66
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  2. By: Schwengel, J S
    Type: Article
    In: The Nautilus
    Volume: 56
    Date: 1943
    Page Range: 75--78
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  3. By: Schwengel, J S
    Type: Article
    In: The Nautilus
    Volume: 54
    Date: 1940
    Page Range: 49--52
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
  4. By: Schwengel, J S - Mcginty, T L
    Type: Article
    In: The Nautilus
    Volume: 56
    Date: 1942
    Page Range: 13--18
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc