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By: Speer, R. J. - Dilworth, T. G.Type: ArticleIn: The Canadian field-naturalistVolume: 92Series:Issue: 3Date: 1978Page Range: 271--274Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Dilworth, T. G.Type: ArticleIn: The Canadian field-naturalistVolume: 88Series:Issue: 4Date: 1974Page Range: 495--498Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: