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  1. By: Cockerell, Theodore D. A. (Theodore Dru Alison), - Callaway, Otis
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 22
    Date: 1909
    Page Range: 121--123
    Publication Info: Washington, Biological Society of Washington,
  2. By: Cockerell, Theodore D. A. (Theodore Dru Alison), - Callaway, Otis
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 22
    Date: 1909
    Page Range: 189--196
    Publication Info: Washington, Biological Society of Washington,