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By: Enders, H E - Scott, H EType: ArticleIn: The AukVolume: 34Series:Issue:Date: 1917Page Range: 494--495Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-Subjects:
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By: Enders, H EType: ArticleIn: Journal of morphologyVolume: 20Series:Issue:Date: 1909Page Range: 479--531Publication Info: Boston, Ginn & Co, [1887-1924]Subjects: