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  1. By: Ropes, John W - Stickney, Alden P
    Type: Article
    In: The Biological bulletin
    Volume: 128
    Date: 1965-04-01
    Page Range: 315--327
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Ropes, John W
    Type: Article
    In: The Biological bulletin
    Volume: 135
    Date: 1968-10-01
    Page Range: 349--365
    Publication Info: Woods Hole, Mass Marine Biological Laboratory