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By: Hobson, George D.Type: ArticleIn: The Canadian field-naturalistVolume: 84Series:Issue: 1Date: 1970Page Range: 35--38Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Hobson, George D.Type: ArticleIn: The Canadian field-naturalistVolume: 85Series:Issue: 1Date: 1971Page Range: 86--87Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: