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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Strong, Leonell C
    Type: Article
    In: The Biological bulletin
    Volume: 38
    Date: 1920-01-01
    Page Range: 33--37
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Smith, G M - Coates, Christopher W. (Christopher William) - Strong, Leonell C
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 21
    Issue: 18
    Date: 1936-10-15
    Page Range: 219--224
    Publication Info: New York,