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  1. By: Larsen, James A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 87
    Issue: 3
    Date: 1973
    Page Range: 241--248
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Larsen, James A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 85
    Issue: 2
    Date: 1971
    Page Range: 147--178
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Larsen, James A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 1
    Date: 1972
    Page Range: 45--72
    Publication Info: Ottawa Ottawa Field-Naturalists' Club