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By: Swales, Dorothy E. - Bider, J. RogerType: ArticleIn: The Canadian field-naturalistVolume: 84Series:Issue: 1Date: 1970Page Range: 49--53Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Swales, Dorothy E.Type: ArticleIn: The Canadian field-naturalistVolume: 89Series:Issue: 2Date: 1975Page Range: 143--147Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: