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  1. By: MacCoubrey, H. Willa
    Type: Article
    In: The Canadian field-naturalist
    Volume: 80
    Issue: 4
    Date: 1966
    Page Range: 252--253
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: MacCoubrey, H. Willa
    Type: Article
    In: The Canadian field-naturalist
    Volume: 80
    Issue: 4
    Date: 1966
    Page Range: 253--253
    Publication Info: Ottawa Ottawa Field-Naturalists' Club