Contents. v 
Lists of Fossilb from the Lower Half of the Conemaugh 
Formation near Morgantown, W. Va., Collected in 1870 
BY Dr. John J. Stevenson, and Identified by F. B. Meek. 
/. C. White 211 
A Brief Summary of Glacier Work. A. C. Scott 215 
Editorial Comment. 
Was the Development Theory Influenced by the "Vestiges of 
the Natural History of Creation ?" 262 
Review^ of Recent Geological Literature. 
Pleistocene Geology of Western New York, H. L. Fairchild 264 
Monthly Author^'s Catalogue of American Geological Lit- 
erature 265 
Correspondence. 
A Carboniferous Coal in Arizona. E. T. Dunible 270 
Personal and Scientific News- 
Columbia University, Geological Department 271 
Michigan College of Mines 271 
American Institute of Mining Engineers 272 
Death of J. W. Powell 272 
NOVEMBER NUMBER. 
The Preservation of Muscle-Fibres in Sharks of the Cleve- 
land Shale. Bashford Dean. [Plates VIII and IX.] 273 
The Loess of Natchez, Miss. B. Shirnek. [Plates X-XVI.].. 279 
The Carboniferous Formations of Humboldt, Iowa. F. IV. 
Sardeson. [Plate XVII.] 300 
An Arrow-Head Found With Bones of Bison Occidentalis 
Lucas IN Western Kansas. S. W. Williston. [Illustrated.] 313 
Discovery of the Laramie in Nebraska. C. A. Fisher. [Plate 
XVIIL] 315 
Editorial Comment. 
Was the Development Theory Influenced by the "Vestiges 
of the Natural History of Creation?" (Concluded) 317 
What Constitutes a Clay ? 318 
Review of Recent Geological Literature. 
United States Geological Survey, 21 Annual Report. C. D. 
Walcott, Director. Part 4, Hydrography. F. H. Newell. . . . 322 
Glacial Formations and Drainage Features of the Erie and 
Ohio Basins. Frank Leverett 323 
Arctic Russia. G. F. Wright 327 
Les Roches Alcalines caracterisant la Province Petrograph- 
ique d' Ampasindava. A Lacroi.v 328 
The Clays and Clay Industry of Wisconsin. E- R. Buckley 329 
Washington Geological Survey. Henry Landes 330 
Monthly Author's Catalogue of American Geological Lit- 
erature 330 
