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  1. By: Davison, D. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 40
    Issue: 3
    Date: 1926-03
    Page Range: 66--66
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Davison, D. W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 39
    Issue: 9
    Date: 1925-12
    Page Range: 197--198
    Publication Info: Ottawa Ottawa Field-Naturalists' Club