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  1. By: Norman, Ernest S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 34
    Issue: 8
    Date: 1920-11
    Page Range: 154--154
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Norman, Ernest S.
    Type: Article
    In: The Ottawa naturalist
    Volume: 29
    Issue: 7
    Date: 1915-10
    Page Range: 73--73
    Publication Info: Ottawa, Ottawa Field-Naturalists' Club,