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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Becker, Elery R. (Elery Ronald),
    Type: Article
    In: The Biological bulletin
    Volume: 50
    Date: 1926-06-01
    Page Range: 444--454
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Becker, Elery R. (Elery Ronald),
    Type: Article
    In: The Biological bulletin
    Volume: 51
    Date: 1926-11-01
    Page Range: 287--298
    Publication Info: Woods Hole, Mass Marine Biological Laboratory