THE 
American Geologist 
A MONTHLY JOURNAL OF GEOLOGY 
ALLIED SCIENCES 
Editor: N. H. WINCHELL, Minneapolis, Minn. 
ASSOCIATE EDITORS. 
Florence Bascom, Bryn Maicr, Pa. 
Charles E. Belcher, New Haven. Conn. 
Samuel Calvin, lotva City. loioa. 
John M. Clarke, Albany, N. Y. Persifor Frazer, Philadelphia, Pa. 
Edward W. Claypole, Akron. Ohio. Ulysses S. Grant, Minneapolis, Minn. 
John Eyerman, Eastoa, Pa. Warren Upham, St. Paul, Minn. 
Marshman E. Wadsworth, Houghton, Mich. 
' Israel C. White, Morgantoiun, W. Va. 
VOLUME XXII 
July to December, 1898 
Minneapolis, Minn. 
The Geological Publishing Company 
1898 
The Franklin Printing Co., Printers 
