Contents. v 
Eskers Indicating Stages of Glacial Recession in the Kan- 
san Epoch in Northern Illinois, Concluded. Oscar 
H. Hershey 237 
Hornblende-Basalt in Northern California. J. S. Diller 253 
The Geolog}' of a Typical Mining Camp in New Mexico. 
C. L. Heruick. [Plates XIII and XIV.] 256 
Valley Glaciers of the Upper Nugsuak Peninsula, Green- 
land. Ralph S. Tarr. [Plate XV.] 262 
Lakes with More than One Outlet. Thomas L. Watson. 267 
Editorial Comment. — Synopsis of the Drift Deposits of Iowa, 270. 
Review of Recent Geol.O(}ical. Literature. — The University Geological 
Survey of Kansas, 272. — Preliminary Report on Artesian Waters 
of a Portion of the Dakotas, N. H. Dabton, 274. — Mineralogie de 
la Prance et de ses Colonies, A. Lacroix, 276. — Ueber die Geolo- 
gischen Verhaltnisse desCambriuui von Tejrovic und Skrej in Bo- 
hemia, J. J. Jahn, 277. — Elementary Geology, Ralph S. Tarr, 
277. — Glaciers in North America. I. C. Russell, 278. 
Recent Publications, 279. 
The International Congress of Geologists. [Second Circular.] 283. 
Correspondence. — Moraines of Recession and their Significance in Gla- 
cial Theory, F. B. Taylor, 290. 
Personal and Scieiitific News, 291. 
MAY NUMBER. 
C^hanges of Level in the Bermuda Islands, Ralph S. Tarr. 
[Plates XVI, XVII, XVIII.] 293 
Physiographic Geology of thePuget Sound Basin. James 
P. Kimball. [Plate XIX.] 304 
A New Dinichthys — Dinichthys Kepleri. E. W. Clat- 
pole. [Plate XX.] 322 
On the Genesis of Claystones. H. W. Nichols 324 
Nomenclature of the Galena and Maquoketa Series. F. 
W. Sardeson 330 
The Age of the Great Lakes of North America. Alexan- 
der N. WlNCHELL 336 
Relation of the Lafayette or Ozarkian Uplift of North 
America to Glaciation. Warren Upham 339 
Editor i(d Coniuient. — Natural Science, 343. — Seventh Session of the 
International Congress of Geologists, St. Petersburg, 344. 
Revie IV of Recent Geological Literature. — The Geology of Minnesota, 
vol. Ill, part II, N. H. Winchkll, State Geologist, 346.— A Sum- 
mary of Progress in Petrograi)hy in 1896, W. S. Bayley, .350. — Bi- 
ennial Report of the State (xcologist of Mi.ssouri, C. R. Keyes, 350. 
Recent Publications, 350. 
Correspondence. — Observations on the Cimarron Series, F. W. Cragin, 
351. 
