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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Pettibone, M H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 109
    Date: 1996
    Page Range: 143--149
    Publication Info: Washington, Biological Society of Washington,
  2. By: Pettibone, M H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 109
    Date: 1996
    Page Range: 629--644
    Publication Info: Washington, Biological Society of Washington,