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  1. By: Ferguson, M. S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 47
    Issue: 3
    Date: 1933-03
    Page Range: 60--60
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Ferguson, M. S. - Mattox, N T
    Type: Article
    In: The Canadian field-naturalist
    Volume: 53
    Issue: 3
    Date: 1939-03
    Page Range: 36--39
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: Ferguson, M. S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 49
    Issue: 5
    Date: 1935-05
    Page Range: 86--88
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  4. By: Ferguson, M. S.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 49
    Issue: 3
    Date: 1935-03
    Page Range: 47--49
    Publication Info: Ottawa Ottawa Field-Naturalists' Club