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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Watson, Ronald E - Lachner, Ernest A.
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 98
    Date: 1985
    Page Range: 644--654
    Publication Info: Washington, Biological Society of Washington,
  2. By: Watson, Ronald E
    Type: Article
    In: Records of the Western Australian Museum
    Volume: 15
    Issue: 3
    Date: 1991
    Page Range: 571--654
    Publication Info: Perth Western Australian Museum 1910