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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Black, J. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 86
    Issue: 4
    Date: 1972
    Page Range: 385--385
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Axtell, H. H. - Benham, P. - Black, J. E.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 1
    Date: 1977
    Page Range: 90--91
    Publication Info: Ottawa Ottawa Field-Naturalists' Club