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Theory and Calculation of Continuous Bridges. By M. Merriman. Pp. 130. New York: Van Nostrand. Price, 50 cents.
Goethe's ausgewählte Prosa. Edited by J. M. Hart. Pp. 200. New York: Putnams. Price, $1.
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MISCELLANY.
Supplement to the Glacial Theory.—At the Buffalo meeting of the American Association Prof. W. C. Kerr, State Geologist of North Carolina, read a paper accounting for the presence and characteristics of the drift or unstratified superficial deposits of North Carolina, which cannot be attributed to glacial action or the action of water, and which has hitherto presented a somewhat puzzling problem to geologists. He considers it to be the result of land-slides, or, as he terms them, earth-glaciers, formed from the detritus of the stratified rocks of the foot-hills mixed with water—the mass throughout its whole depth, of from fifteen