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  1. By: Jahn, Theo L - Kuhn, L Roland
    Type: Article
    In: The Biological bulletin
    Volume: 62
    Date: 1932-02-01
    Page Range: 89--111
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Jahn, Theo L
    Type: Article
    In: The Biological bulletin
    Volume: 61
    Date: 1931-12-01
    Page Range: 387--399
    Publication Info: Woods Hole, Mass Marine Biological Laboratory