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  1. By: Birdsong, Ray S. (Ray Stuart), - Knapp, Leslie W
    Type: Article
    In: Tulane studies in zoology and botany
    Volume: 15
    Date: 1969
    Page Range: 106--112
    Publication Info: New Orleans, Tulane University, [1968-
  2. By: Birdsong, Ray S. (Ray Stuart),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 81
    Date: 1968
    Page Range: 191--196
    Publication Info: Washington, Biological Society of Washington,
  3. By: Birdsong, Ray S. (Ray Stuart), - Emery, Alan R.
    Type: Article
    In: Quarterly journal of the Florida Academy of Sciences
    Volume: 30
    Date: 1968
    Page Range: 187--196
    Publication Info: Gainesville, Florida Academy of Sciences,
  4. By: Birdsong, Ray S. (Ray Stuart),
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 101
    Date: 1988
    Page Range: 438--443
    Publication Info: Washington, Biological Society of Washington,