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  1. By: Gissing, Alvin
    Type: Article
    In: The Canadian field-naturalist
    Volume: 47
    Issue: 2
    Date: 1933-02
    Page Range: 36--36
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Gissing, Alvin
    Type: Article
    In: The Canadian field-naturalist
    Volume: 46
    Issue: 9
    Date: 1932-12
    Page Range: 209--209
    Publication Info: Ottawa Ottawa Field-Naturalists' Club