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By: Yack, H. L.Type: ArticleIn: The Canadian field-naturalistVolume: 45Series:Issue: 7Date: 1931-10Page Range: 179--179Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Yack, H. L.Type: ArticleIn: The Canadian field-naturalistVolume: 46Series:Issue: 1Date: 1932-01Page Range: 21--21Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: