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  1. By: Smith, Leslie M - Summers, Francis M
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 51
    Date: 1949
    Page Range: 209--218
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Kidder, George Wallace, - Summers, Francis M
    Type: Article
    In: The Biological bulletin
    Volume: 68
    Date: 1935-02-01
    Page Range: 51--68
    Publication Info: Woods Hole, Mass Marine Biological Laboratory