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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hay, K. A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 3
    Date: 1985
    Page Range: 425--432
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hay, K. A.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 99
    Issue: 3
    Date: 1985
    Page Range: 433--437
    Publication Info: Ottawa Ottawa Field-Naturalists' Club