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By: Robertson, Ian - Fraker, Mark A.Type: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 3Date: 1974Page Range: 367--367Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Fraker, Mark A. - Fraker, Russell N.Type: ArticleIn: The Canadian field-naturalistVolume: 94Series:Issue: 4Date: 1980Page Range: 465--466Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: