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By: Ruggieri, George D. - Nigrelli, Ross F. (Ross Franco), - Powles, P. M. - Garnett, D. G.Type: ArticleIn: Zoologica : scientific contributions of the New York Zoological SocietyVolume: 55Series:Issue: 4Date: 1970-12-15Page Range: 57--72Publication Info: New York,Subjects: