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  1. By: Spalding, David A. E. - Hampson, Michael J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 83
    Issue: 3
    Date: 1969
    Page Range: 282--283
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Spalding, David A. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 88
    Issue: 1
    Date: 1974
    Page Range: 107--107
    Publication Info: Ottawa Ottawa Field-Naturalists' Club