dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Williams, Roger W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 61
    Date: 1959
    Page Range: 33--35
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Williams, Roger W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 61
    Date: 1959
    Page Range: 234--238
    Publication Info: Washington, etc, Entomological Society of Washington,