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  1. By: Barbour, Clyde D - Contreras Balderas, Salvador
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 81
    Date: 1968
    Page Range: 101--108
    Publication Info: Washington, Biological Society of Washington,
  2. By: Barbour, Clyde D
    Type: Article
    In: Tulane studies in zoology and botany
    Volume: 18
    Date: 1973
    Page Range: 97--114
    Publication Info: New Orleans, Tulane University, [1968-
  3. By: Barbour, Clyde D
    Type: Article
    In: Tulane studies in zoology and botany
    Volume: 18
    Date: 1973
    Page Range: 97--141
    Publication Info: New Orleans, Tulane University, [1968-