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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Perkins, T H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 98
    Date: 1985
    Page Range: 856--915
    Publication Info: Washington, Biological Society of Washington,
  2. By: Wainright, Sam C. - Perkins, T H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 95
    Date: 1982
    Page Range: 694--701
    Publication Info: Washington, Biological Society of Washington,
  3. By: Perkins, T H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 92
    Date: 1979
    Page Range: 415--465
    Publication Info: Washington, Biological Society of Washington,
  4. By: Perkins, T H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 97
    Date: 1984
    Page Range: 555--582
    Publication Info: Washington, Biological Society of Washington,
  5. By: Perkins, T H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 93
    Date: 1980
    Page Range: 1--49
    Publication Info: Washington, Biological Society of Washington,
  6. By: Perkins, T H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 93
    Date: 1981
    Page Range: 1080--1172
    Publication Info: Washington, Biological Society of Washington,