dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Spence, J R - Maddison, D R
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 88
    Date: 1986
    Page Range: 502--508
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Maddison, D R
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 153
    Date: 1993
    Page Range: 143--299
    Publication Info: Cambridge, Mass The Museum 1863-