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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Richards, Oscar W
    Type: Article
    In: The Biological bulletin
    Volume: 56
    Date: 1929-01-01
    Page Range: 32--40
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Richards, Oscar W
    Type: Article
    In: The Biological bulletin
    Volume: 56
    Date: 1929-04-01
    Page Range: 298--305
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  3. By: Richards, Oscar W
    Type: Article
    In: The Biological bulletin
    Volume: 56
    Date: 1929-01-01
    Page Range: 28--31
    Publication Info: Woods Hole, Mass Marine Biological Laboratory