Index. 
403 
Pii-sson, L. v., Contributions to 
Mineralogy and Petrography, 
Stieffield scientific scliool, 322. 
Preglacial erosion in ttie course of 
ttie Niagara gorge, and its rela 
tion to estimates of Post-Glacial 
time, Warren Upham, 235. 
Preliminary report on the copper- 
bearing roclfs of Douglas county, 
Wisconsin, 323. 
Preliminary geological section in 
Alpena and Presque Isle coun- 
ties, Michigan, A. W. Grabau, 
177. 
Preston, C. H., Prof. W. H. Harris, 
(portrait), 358. 
Recent decline in lake Nicaragua 
K. Shimek. 396. 
Recently discovered extinct verte- 
brates from Egypt, C. W, An- 
drews, 390. 
Redway, J. L., New basis of geog- 
raphy, 254. 
Reef structures In the Clinton and 
Niagara strata of western New 
York, C. J. Sarle, 284. 
Research work at Harvard TJniver- 
sity, 400. 
Ries, Heinrich, Theodore Greely 
White, 260. 
River profiles, 56. 
Russell. I. C. Geology and water 
resources of Nez Perce county, 
Idaho, 319. 
Sarle, C. J., Reef structures in the 
Clinton and Niagara strata of 
western New York. 282. 
Schematic standard for the Ameri- 
can Carboniferous, C. R. Keyes, 
896. 
Seeley, H. G., Dragons of the air, 
323. 
Seely. H. M., Sketch of the Life 
and Woi-k of Augustus Wing, 1. 
Shattuck. G. B., The Pleistocene 
problem of the North Atlantic 
coastal plain, 87. 
ShefTord mountain, its petrography, 
203. 
Snimek, R., The Loess of Iowa City 
and vicinity, 344 ; Recent decline 
in lake Nicaragua, 396. 
Spencer. J. W.. 399. 
Springer, Fiank. Structure and re- 
lations of tJintacrmus, Frank 
Springer, 258. 
Structure and relations of Tfinta- 
crinus, Frank Springer, 258. 
Summer scientific meetings at Den- 
ver, 265. 
Supposed recent submergence of Si- 
beria, 53. 
Taff, J. A. (and G. I. Adams}, Geol- 
ogy of the eastern Choctaw coal 
field, 318. 
Texas mineral survey, 267. 
Text-book of Geology, A. P. Brigham, 
59. 
Theodore Greely White, H. Ries, 269. 
Todd, J. E., 64. 
Treatise on zoology, E. Ray Laukos- 
ter, 389. 
U 
Leber die Entwickelung der siluris- 
chen sedimente in Bohem und in 
sudwesten Europas, Fritz Freeh, 
391. 
Upham, Warren, Preglacial erosion in 
the course of the Niagara gorge, 
and its relation to estimates of 
Post-Glacial time, 235. 
V 
Van Hise, C. R., 265 : On the Arch- 
ean and Algongian, 385. 
W 
Washnschoife. Felix, Die Uraschen 
der Oberflachengestaltung der Nord. 
deuschen Flachlandes, 123. 
Walker, Thomas L., 399. 
Warren, C. H., Mineralogical Notes, 
59. 
Watson, Thos. L., The Georgia baux- 
ite deposits, 25 ; On the Origin of 
the phenocrysts in the porphyritic 
granites of Georgia, 58. 
What is an EchinodermV F. A. 
Bather, 257. 
When was the Mississippi river valley 
formed, P. J. Farnsworth, 301. 
White, I. C, Second edition of the 
geological map of West Virginia, 
328. 
White, Theo. G., 134 
Williams, H. S.. Paleozoic faunas of 
northwestern Arkansas. 254. 
Willmott. A. B., The Michipicoten 
lluronian area. 14. 
Winchell, A. N., 64 ; Note on Certain 
copper minerals, 244. 
Wright. G. F., Recent submergence 
of the Asiatic continent, 131. 
