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  1. By: Monthey, Roger W.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 100
    Issue: 4
    Date: 1986
    Page Range: 568--570
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Monthey, Roger W. - Soutiere, Edward C.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 1
    Date: 1985
    Page Range: 13--18
    Publication Info: Ottawa Ottawa Field-Naturalists' Club