dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Swain
    Type: Article
    In: Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia
    Volume: 32
    Date: 1921
    Page Range: 209--213
    Publication Info: Philadelphia, [Entomological Rooms of the Academy of Natural Sciences],
  2. By: Swain
    Type: Article
    In: Transactions of the American Entomological Society
    Volume: 44
    Date: 1918
    Page Range: 1--23
    Publication Info: Philadelphia, The Society at the Academy of Natural Sciences, 1890-