IV Contents. 
Review of Recent Geological Literature. — Continental Problems, G. 
K.Gilbert, 118. — Comparison of Pleistocene and Present Ice- 
sheets, Warren Upham, 119.— Cretaceous and Early Tertiary of 
Northern California and Oregon, J. S. Diller, 119.— The Faunas 
of the Shasta and Chico Formations, T. W. Stanton, 120. — On the 
Geology of Natural Gas and Petroleum in Southwestern Ontario, 
H. P. H. Brumell, 120. — Notes on the Occurrence of Petroleum in 
Gaspe, Quebec, H. P. H. Brumell, 120. — Two Neocene Rivers of 
California, Waldemar Linix.rkn, 121.- Malaspina Glacier, I. C. 
Russell, 121.- The Oear Gravels of the Coast of Maine, Geo. II. 
Stone, 122. — The Horizon of Drumlin, Osar and Kame Formation, 
T. C. Chamberlin, 122.— The Finger Lakes of New York, A. P. 
Brigham, 123.— The Origin of Igneous Rock6. J. P. Iddings, 121. 
Correspondence. — The Formation of a Terrace, N. P. Nelson, 125. — The 
Drift Mounds of Olympia and of Long Island, John Bryson, 127. 
Personal and Scientific Neu-s. 129. 
S EPTE M B E R NUMBER. 
An Examination of Glyptodendron Claypole, and of the 
other so-called Silurian land plants of Ohio. A. F. 
Foerste. [Plate VII.] L33 
"The correct succession of the Ozark Series" : A Review 
reviewed. F L. NASOH 141 
Glacial Erosion. R. S. Take 147 
A Classification of Topographic Forms. S. H. Pekrv. 153 
On a Collection of Tertiary Mammals from southern 
France and Italy; with brief descriptions thereof. 
.Ioiin Eyerman L59 
Pleistocene Papers at the Madison meetings 165 
Editorial Comment.— The Glacial Nightmare and the Flood, 181. — Gla- 
cial Man in America, 187. 
Review of Recent Geological Literature. — Revision of the Families of 
Loop-Bearing Brachiopoda: The Development of Terebratatia 
obsoleta Dall, Chas. E. Beeoher, 188. -The Fishing Banks be- 
tween Cape Cod and Newfoundland, Warren Upham, 190. — The 
Conditions of Erosion Beneath deep Glaciers based upon a study 
of the Boulder Train from Iron Hill. Cumberland R. I., N. S. 
Shaler, 191.— The Wanderings of the North Pole,R. S. Ball, 192. 
— The Improvement of Geographical Teaching, W. M. Davis, 192. 
— Illustrations of the Fauna of the St. John Group, G. F. Mat- 
thew, 192. — On Antenme and other Appendages of Triarthrus 
Beckii, W. D. Matthew. 193. — Carte Geologique de la Russie d' 
Europe, A. Karpinsky, S. Nikitin, etc., 194. 
Recent Publications, 195. 
Correspondence. — The Osar Gravels of the Coast of Maine, Geo. H. 
Stone, 200.— The Hamilton Beds of Callawav County. Mo.. R. R, 
Rowley, 203. 
Personal and Scientific News, 205. 
OCTOBER NUMBEK. 
The Genus Winchellia. Leo Lesquereux. | Illustrated. | 209 
Mount St. Elias in Alaska and Mount Orizaba in Mex- 
ico. A. Linden kohl, [Illustrated.! 213 
