INDEX TO VOL. XXII. 
Agassiz Geological Explorations in the 
West Indies. R. T. Hill, 265. 
Age of Niagara Falls, as indicated by 
the Erosion at the Mouth of the Gorge, 
G. Frederick Wright, 260. 
American Association for the Advance- 
ment of Science, I'M ; 248 ; 266. 
Anderson, C. C, Keport on the Water 
Powers of Georgia, 190. 
An occurrence of Dunyte in western 
Mass., G. C. Martin, :«0. 
Another Episode in the History of Ni- 
agara River, J. W. Spencer. 259. 
A Recently Discovered Cave of Celes- 
tite Crystals at Putin Bay, Ohio. G. 
Frederick Wrigiit, 261. 
Bagg, R. M., Jr., The occurrence of Cre- 
taceous fossils in the Eocene of Mary- 
land, 370. 
Bain, H. Foster, (and A. T. Leonard) 
The Middle Coal Measures of the West- 
ern Interior Coal Field, 251 ; Intergla- 
cial deposits in Iowa, 326. 
Baker, Marcus, 129. 
Baur, Dr. Geo., 130. 
Bison Latifrons and Bos Arizonica, W. 
P. Blake, 247. 
Blake, W. P., Remains of a Species of 
Bos in the Quaternary of Arizona, 65. 
Brogger, W. C., Ueber die Verbreitung 
derEuloma-Niobe fauna inEuropa,236. 
Bryson, John, Drift Formations of 
Long Island, 245. 
Brush, Geo. J. (and S. L. Penfield), 
Manual of Determinative Mineralogy. 
328. 
Calvin, S., Geological Survey of New 
Jersey, 240; Interglacial deposits in 
Iowa, 326. 
Calymmone, Brong., J. F. Pompeckj, 384. 
Cayeux, L., Contribution fir6tude des 
terrains s6dimentaires, 388. 
Chemical and mineral relationsliips iu 
Igneous rocks, J. P. Iddings, 381. 
Clark, W. B., 375. 
Classification of Coastal Forms, F. P. 
Gulliver, 253. 
Clayey Bands of the Drift of the Delta 
of the Cuyahoga River, compared with 
those of the Glacial Delta at Trenton, 
N. J.,G. F. Wrigiit, 250. 
Claypole, E. W., 6i ; Microscopical 
Liglit in Geological Darkness, 217 ; 
Glacial Theories— Cosmical and Ter- 
restrial, 310. 
Clements, J. M., A study of some exam- 
ples of rock variation, 381. 
Continental divide in Nicaragua, C. W. 
Hayes, 253. 
Contribution h T 6tude micrographique 
des terrains s6dimentaires, L. Cayeux, 
388. 
Crawford, J,, Recent Severe Seismic 
Disturbances in Nicaragua, 56; 259. 
Clay industry in N. C, H. Ries, 382. 
Cretaceous fossils in the Eocene of Mary- 
land, R. M. Bagg, Jr., 370. 
Crosby, W. O., History of the Blue 
Hills Complex, 263. 
Cubanite at Butte, M,ontana, H. V. 
Winchell, 245. 
Cushing, H. P., Syenite-porphyry dikes 
in the northern Adirondacks, 382. 
Daly, R. A., 130. 
Dana, E. S., Text-book of Mineralogy, 
328. 
Davis, W. M.,266. 
Developments of the Ohio River, W. 
G. Tight, 252. 
Differentiation of Magmas, 113. 
Dikes in the vicinity of Portland, Maine, 
E. C. E. Lord, 335. 
Dissection of the Ural Mountains, F. P. 
Gulliver, 253. 
Distribution of vanadium and molyb- 
denum in the United States, W. F. 
Hillebrand, 380. 
Drift Formations of Long Island, J. 
Bryson, 245. 
Drygalski's Glacial Studies in Green- 
land, 323. 
