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By: Pearson, O PType: ArticleIn: BrevioraVolume: 73Series:Issue:Date: 1957Page Range: 1--7Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-Subjects:
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By: Sanborn, Colin Campbell, - Pearson, O PType: ArticleIn: Proceedings of the Biological Society of WashingtonVolume: 60Series:Issue:Date: 1947Page Range: 135--137Publication Info: Washington Biological Society of WashingtonSubjects: