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By: D'Eon, Robert G. - Seymour, Norman R. - Boer, Arnold H.Type: ArticleIn: The Canadian field-naturalistVolume: 109Series:Issue: 4Date: 1995Page Range: 459--462Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Prévost, Yves A. - Bancroft, Robert P. - Seymour, Norman R.Type: ArticleIn: The Canadian field-naturalistVolume: 92Series:Issue: 3Date: 1978Page Range: 294--297Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: