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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Fuller, William A. - Martell, A. F. - Smith, R. F. C. - Speller, S. Wayne
    Type: Article
    In: The Canadian field-naturalist
    Volume: 89
    Issue: 3
    Date: 1975
    Page Range: 223--233
    Publication Info: Ottawa Ottawa Field-Naturalists' Club