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By: Douglas, George W. - Lomer, Frank - Roemer, Hans L.Type: ArticleIn: The Canadian field-naturalistVolume: 112Series:Issue: 2Date: 1998Page Range: 276--279Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Lomer, Frank - Douglas, George W.Type: ArticleIn: The Canadian field-naturalistVolume: 113Series:Issue: 2Date: 1999Page Range: 235--240Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: