406 
INDEX TO VOL. III. 
Acme lithological microscope, 22(j. 
Africa, Carboniferous glaciatlon in, 303. 
Aluminum, production of by electroly- 
sis, 344. 
American Geological society, 62, 140, ;M4. 
American Anthropologist, 149. 
American petrographical microscopes, 
225. 
An unjust attack, Frazer, 65. 
Arkansas, resources of, 279. 
Artesian, or deep, wells, at Woodhaven, 
L. I., 214. at Davenport, 117, at Still- 
water, 343. 
Association of Western Naturalists, 63. 
Attachment of Platyceras to crinoids, 
Keyes, 148. 
Barrande and the Taconic system, 
Marcou, 118. 
Barrois, Charles, 271. 
Bayley, W. S., Synopsis of Rosenbusch's 
classification, 48. 
Bausch-Lomb petrographical micro- 
scope, 229. 
Becker, Geo. F., 400. 
Benedict, W. H., Tracks in the Potsdam 
sandstone, l')2. 
Black Hills, Geology and mines of. Car- 
penter, 202. 
Bommeloen og Karmoeu med omgwel- 
ser geol. beskrevne Reusch, 335. 
British Columbia, glaciation of, G. M. 
Dawson, 249: coal mines of, 62. 
Brachiospongida?. C. E. Beecher. 268. 
Bradish, Alvah, 403. 
Branner, Prof J. C. 269, 279. 
Broadhead, Prof. G. C, geological his- 
tory of the Ozark uplift, 6. 
Bryson, .John, artesian well at Wood- 
haven, 214. 
Building of the British Isles, 262. 
Bulletin of the laboratory Nat. Hist., 
Iowa university, 62. 
Bulloch, W. H., petrographical micro- 
scopes, 225. 
Burning gas at San .\ntouio, Texas, 279. 
Calvin, Prof. S., Some geological prob- 
lems in Iowa, 25. 
Carboniferous glaciation in the south- 
ern and eastern hemispheres, White, 
299; literature of, 326. 
Carbonic ga.steropod, variation in, 
Keyes, 330 
Carpenter, F. R. 138,202. 
Chamberlin, Pres.T. C, sketch of R. D. 
Irving, 1; 398. 
Chouteau group of Missouri, Rowley, 
111. 
Claypole, Dr. E. W., (ilaciersand glacial 
radiants in the ice age, 73; Vascular 
nature of the trees of the Coal Meai- 
ures, !k>: the story of the Mississippi- 
Missouri, 361. 
Coal mines in China and in British Col- 
umbia, 62. 
Coal oil in Canon City, Colo., 62. 
Clarke, John M., Visual area of the tril- 
obite, 146. 
Colorado river of Texas, geological story 
of. Hill, 287. 
Comstock, Prof. Theo. B., 269. 
Conglomerates in gneissic terranes. A. 
Winchell, 153, 256. 
Conglomeratesin New England gneisses, 
C. H. Hitchcock, 253. 
Curtice, Cooper, Oriskany drift near 
Washington. 223, 401. 
Danzig, E., 151. 
Davis, W. M., The glacial origin of cliffs, 
14. 
Dawson, Sir J. W., Specimens of Eozoon 
canadense, 48. 
Dawson, Geo. M., Glaciation of British 
Columbia, 81, 249. 
Devonian faunas of Iowa, Calvin, 25; 
Williams, 2;J0. 
Departmentof geology, Univ. of Nebras- 
ka, ?Al. 
Diabasic schists of northeastern Minne- 
sota, H. V. Winchell, 18. 
Drane colliery, Pa., 215. 
Drummond, A. T., Great lake basins, 
198. 
Dumble, E. T., Geol survey of JexM, 
270,404 
Dutton, C. E.. 400. 
Earthquakes, causes of, Forster 182. 
Editorial Comment. 
Exhaustion of anthracite coal, 4.5. 
A new glacial theory, 138. 
Geological society of America, 140. 
Rejoinder to Dr. Lawson, 193. 
.\nother old channel of the Niagara 
river, 195. 
The Building of the British Isles, 26U. 
Unconformity at the falls of the Mont- 
morenci, 333. 
Sandy Simoon in the Northwest, :597. 
Elemente der Paluontologie.Steinmann, 
401. 
Emmons, E., on the unconformity at 
the falls of the Montmorenci, 333. 
Emmons, S. F., 400. 
Eozoon canadense, Dawson, 48; Merrill. 
268. 
Examination of water for sanitary pur- 
poses, 334. 
Exhaustion of anthracita coal, 4.>. 
