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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Watling, Les - Holman, H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 94
    Date: 1981
    Page Range: 181--227
    Publication Info: Washington, Biological Society of Washington,
  2. By: Watling, Les - Holman, H
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 93
    Date: 1980
    Page Range: 609--654
    Publication Info: Washington, Biological Society of Washington,