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  1. By: Hughes, William M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 75
    Issue: 3
    Date: 1961
    Page Range: 169--170
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hughes, William M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 77
    Issue: 1
    Date: 1963
    Page Range: 62--63
    Publication Info: Ottawa Ottawa Field-Naturalists' Club