I V Cotitents. 
Observations on the Classification of the Mississippian 
Series. C. R.Ketes 108 
Editorial Comment. — The Question of the Differentiation of Magmas, 
113. 
Review of Recent Geological Literatnre. — The Physical Geography of 
New Jersey. R. D. Salisbury and C. C. Vermeule, 123. — North- 
ward over The Great Ice. R. E. Peary, 123.— Note sur lee Gise- 
ments d'or du Mexique. Ezequiel Ordonez, 124. 
Montlily Authors' Catalogue of American Geological Literature, 124. 
Personal and Scientific News, 129. 
% 
SEPTEMBER NUMBER. 
The Geology of the Keweenawan Area in Northeastern 
Minnesota, III. [Plate VII.] A. H. Elptman 181 
Raised Shorelines at Trondhjem. Warren Upham 14:9 
Glacial Geology in America. H. L. Fairchild 154 
Editorial Comment. — The West Coast of Greenland, 189. 
Review of Recent Geological Lilerature.^Geological Survey of Georgia, 
Preliminary Report on a part of the Phosphates and Marls of 
Georgia. S. W. McC/^llie, 193. — On the Interglacial Submerg- 
ence of Great Britain. Henr. Munthe, 193. — Geological Survey 
of Georgia, Preliminary Report on a part of the Waterpowers of 
Georgia. B. M. Hall. 196. 
Monthly Authors'' Catalogue of American Geological Literature^ 197. 
OCTOBER NUMBER. 
Glacial Phenomena in Okanogan County, Washington. 
Wm. L. Dawson 203 
Microscopical Light in Geological Darkness. E. W. 
Ci.aypole 217 
Note on the Characters of Mesolite from Minnesota. 
N. H. Winciiell * 228 
Glacial Rivers and Lakes in Sweden. Warren Upham. 230 
Re7new of Recent Geological Literature. — Ueber die Verbreitung der 
Euloma-Niobe-Fauna (der Ceratopygi kalk fauna) in Europa. 
Prof. Dr. W. C Brogger, 236. — Occurrence of Fossil Fishes in 
the Devonian of Iowa. Chas. R. Eastman, 237.— Geological Sur- 
vey of New Jersey. Annual Report of the State Geologist, Prof. 
J. C. Smock, 239.— Iowa Geological Survey Vol. VIII; Annual 
Report 1897, with Accompanying Papers. Samuel Calvin and 
H. F. Bain, 240. 
