Reviews Palwogeogra'phy and Diastrophism.

Amer. Journ. Sci., vol. xlix, No. 289. January, 1920, TN studies of paleeophysiography the Americans have been recently-*- to the fore, and a summary of their work has appeared in Outlines of Geological History, with special reference to North America, by Bailey Willi &s Rollin D. Salisbury, published in 1910. ................
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