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  1. By: Okulitch, Vladimir J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 49
    Issue: 6
    Date: 1935-09
    Page Range: 96--107
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Okulitch, Vladimir J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 53
    Issue: 6
    Date: 1939-09
    Page Range: 85--86
    Publication Info: Ottawa Ottawa Field-Naturalists' Club