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Proceedings of the American Academy of Arts and Sciences v. 55 (1919-1920)
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New Dimorphomyceteae
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By: Thaxter, Roland,
Type: Article
In: Proceedings of the American Academy of Arts and Sciences
Volume: 55
Date: 1920
Page Range: 209--282
Publication info: Boston, Metcalf and Co, 1846-1958
A monograph of the American frogs of the genus Rana
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By: Boulenger, George Albert
Type: Article
In: Proceedings of the American Academy of Arts and Sciences
Volume: 55
Date: 1920
Page Range: 413--480
Publication info: Boston, Metcalf and Co, 1846-1958