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  1. By: Collins, W. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 40
    Issue: 6
    Date: 1926-09
    Page Range: 139--140
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Collins, W. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 41
    Issue: 6
    Date: 1927-09
    Page Range: 133--135
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Collins, W. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 43
    Issue: 6
    Date: 1929-09
    Page Range: 134--136
    Publication Info: Ottawa Ottawa Field-Naturalists' Club