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  1. By: Morlan, Richard E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 4
    Date: 1972
    Page Range: 376--376
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Morlan, Richard E. - Matthews, John V.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 106
    Issue: 3
    Date: 1992
    Page Range: 311--315
    Publication Info: Ottawa Ottawa Field-Naturalists' Club