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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Spoor, W A
    Type: Article
    In: The Biological bulletin
    Volume: 108
    Date: 1955-02-01
    Page Range: 77--87
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Spoor, W A
    Type: Article
    In: The Biological bulletin
    Volume: 91
    Date: 1946-12-01
    Page Range: 312--325
    Publication Info: Woods Hole, Mass Marine Biological Laboratory