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  1. By: Lowther, Florence De L.
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 24
    Issue: 29
    Date: 1939-12-22
    Page Range: 477--480
    Publication Info: New York,
  2. By: Lowther, Florence De L.
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 25
    Issue: 27
    Date: 1940-12-31
    Page Range: 433--462
    Publication Info: New York,