V 
American Geologist 
A MONTHLY JOURNAL OF GEOLOGY 
ALLIED SCIENCES. 
EDITORS AND PROPRIETORS: 
Charles E, Beegher, New Haven, Conn. 
Samuel Calvin, Iowa City, Iowa. 
John M. Clarke, Albany, JV. Y. 
Edward W. Claypole, Akron, Ohio. Persifor Frazer, Philadelphia, Pa. 
Francis \V. Cragin. Colorado Springs, Colo. Edward O. Ulrich, Newport, Ky. 
John Eyerman, Boston, Pa. Warren Upham, Somerville, Mass. 
Marshman E. Wadsworth, Houghton, Mich. 
Israel C. White, Morgantown, XV. Va. 
Newton H. WlNCHELL, Minneapolis, Minn. 
VOLUME XIV. 
July to December, 1S94. 
Minneapolis, Minn. 
The Geological Publishing Company. 
1894. 
Alfred Roper Printing Co., Printers. 
