dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Cressey, Hillary Boyle,
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 94
    Date: 1981
    Page Range: 514--524
    Publication Info: Washington, Biological Society of Washington,
  2. By: Cressey, Hillary Boyle, - Barrows, Edward M.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 80
    Date: 1978
    Page Range: 441--455
    Publication Info: Washington, etc, Entomological Society of Washington,