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  1. By: MacPherson, A. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 80
    Issue: 2
    Date: 1966
    Page Range: 89--94
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: MacPherson, A. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 82
    Issue: 4
    Date: 1968
    Page Range: 287--289
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  3. By: MacPherson, A. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 78
    Issue: 1
    Date: 1964
    Page Range: 55--56
    Publication Info: Ottawa Ottawa Field-Naturalists' Club