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  1. By: Mcllwraith, T. F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 46
    Issue: 3
    Date: 1932-03
    Page Range: 67--67
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Mcllwraith, T. F.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 69
    Issue: 3
    Date: 1955
    Page Range: 71--73
    Publication Info: Ottawa Ottawa Field-Naturalists' Club