dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Babcock, O. G. - Ewing, H. E. (Henry Ellsworth),
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 40
    Date: 1938
    Page Range: 197--201
    Publication Info: Washington, etc, Entomological Society of Washington,