dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Hobson, George D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 84
    Issue: 1
    Date: 1970
    Page Range: 35--38
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hobson, George D.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 85
    Issue: 1
    Date: 1971
    Page Range: 86--87
    Publication Info: Ottawa Ottawa Field-Naturalists' Club