THE 
American Geologist 
A MONTHLY JOURNAL OF GEOLOGY 
ALLIED SCIENCES. 
EDITORS AND PROPRIETORS: 
Charles E. Beechee, New Haven, Conn. 
Samuel Calvin, Iowa City, Iowa. 
John M. Clarke, Albany, N. Y. 
Edward W. Claypole, Akron. Ohio. Persifor Frazee, Philadclphi((. I 'a. 
Francis W. CrAgin, Colorado Springs, Colo. Edward O. Ulrich, Netrport, Ky. 
John Eyerman, Easton, Pa. Warren Upham, Cleveland, Ohio. 
Maeshman E. Wadsworth, Houghton Mich. 
Israel C. White, Morgantown, W. Va. 
Newton H. Winchell, Minneapolis, Minn. 
VOLUME XVI. !_£ 
July to December, 1895. 
Minneapolis, Minn. 
The Geological Puhlishing Company; 
1895. 
The Franklin Printing Co., Printers. 
