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By: Shurcliff, Sidney Nichols,Type: ArticleIn: Field Museum of Natural History bulletinVolume: 50Series:Issue: 7Date: 1979Page Range: 16--26Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Shurcliff, Sidney Nichols,Type: ArticleIn: Field Museum of Natural History bulletinVolume: 50Series:Issue: 8Date: 1979Page Range: 16--24Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects: