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  1. By: Downing, Stuart C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 54
    Issue: 7
    Date: 1940-10
    Page Range: 109--110
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Downing, Stuart C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 60
    Issue: 2
    Date: 1946
    Page Range: 45--46
    Publication Info: Ottawa Ottawa Field-Naturalists' Club