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  1. By: Lovrity, Joseph E. - Denman, Norris S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 78
    Issue: 1
    Date: 1964
    Page Range: 63--64
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Denman, Norris S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 79
    Issue: 1
    Date: 1965
    Page Range: 76--77
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Denman, Norris S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 77
    Issue: 1
    Date: 1963
    Page Range: 62--62
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Denman, Norris S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 75
    Issue: 2
    Date: 1961
    Page Range: 110--110
    Publication Info: Ottawa Ottawa Field-Naturalists' Club