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By: Cottam, Clarence, - Kelso, Leon H. (Leon Hugh), - Ball, William Howard.Type: ArticleIn: Proceedings of the Biological Society of WashingtonVolume: 45Series:Issue:Date: 1932Page Range: 207--207Publication Info: Washington Biological Society of WashingtonSubjects:
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By: Ball, William Howard.Type: ArticleIn: The Wilson bulletinVolume: 41Series:Issue: 3Date: 1929Page Range: 190--190Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Ball, William Howard.Type: ArticleIn: Proceedings of the Biological Society of WashingtonVolume: 45Series:Issue:Date: 1932Page Range: 165--166Publication Info: Washington Biological Society of WashingtonSubjects: