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By: Davis, D. Wayne - Sealander, John AType: ArticleIn: The Canadian field-naturalistVolume: 85Series:Issue: 4Date: 1971Page Range: 303--308Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Whitfield, Douglas W. A. - Gerrard, Jonathan M. - Maher, William J - Davis, D. WayneType: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 4Date: 1974Page Range: 399--407Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: