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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Watling, Les - Maurer, D
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 88
    Date: 1975
    Page Range: 121--125
    Publication Info: Washington, Biological Society of Washington,
  2. By: Watling, Les - Maurer, D
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 86
    Date: 1973
    Page Range: 1--7
    Publication Info: Washington, Biological Society of Washington,