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  1. By: Pittman, H. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 38
    Issue: 4
    Date: 1924-04
    Page Range: 64--65
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Pittman, H. H.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 40
    Issue: 3
    Date: 1926-03
    Page Range: 60--62
    Publication Info: Ottawa Ottawa Field-Naturalists' Club