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By: Joyce, Daniel J.Type: ArticleIn: Field Museum of Natural History bulletinVolume: 52Series:Issue: 9Date: 1981Page Range: 14--15Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Joyce, Daniel J.Type: ArticleIn: Field Museum of Natural History bulletinVolume: 53Series:Issue: 3Date: 1982Page Range: 8--14Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects: