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  1. By: Arnold, John W. - Horner, Ruth M. - Ross, Verna M. - Stuart, Mary
    Type: Article
    In: The Canadian field-naturalist
    Volume: 65
    Issue: 2
    Date: 1951
    Page Range: 81--81
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Ross, Edna G. - Ross, Verna M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 64
    Issue: 1
    Date: 1950
    Page Range: 32--39
    Publication Info: Ottawa Ottawa Field-Naturalists' Club