400 
Index. 
Drako, N. F., 184. 
Drifr in Southwestern Miunosota and 
Northwestern Jowa, H. F. liaiu, Kiii. 
Driunlius in (Jlasf^'ow, Wan-en Uphairi, 
2:i.). 
Elements of Strength and Wi^akness in 
Building Stones, A. A. Julieu, :j97. 
Ell'tniau, A. H., Geolof^y of the Koweena- 
wan Area of Northeastern Miiinesotn, 
90, 17.^. 
End of the Ice-Age in Minnesota, Warren 
Upham, 1H6. 
Feldspars, Determination of the, N. H. 
Winchell, 12. 
Field Notes in New Mexico (:(Ooloiiv, <^ . 
L. Herrick, 1:^6. 
Fontaine, .lO. 
Formation of New Ravines. E. Linton, 
:«9. 
Fossils. 
Triblidiuni rectilatorale n. sp., 280. 
Triblidium convexum, n. sp., 280. 
Triblidinm barabueiisis, 281. 
Trililidiiim extensnm, n. sp., 281, 
Triblidiuni corpulentum, n. sp., 281. 
Triblidiuni aduncnm, n, sp., 282. 
Hyjiseloconus, 2'>2, 
Hypselocouns recurviis, var. elongatus, 
u. var., 284. 
Hypseloconus coruutiformis, n. sp,. 
28'). 
Hypseloconus capuloides, n. sp., 28S. 
Hypseloconus franconiensis, n. sp.,285. 
Hypseloconus cylindricns, u. sp.,285. 
Hypseloconus stabilis, n. sp., 286. 
Scaovogyra mlnnesotensis, n. sp.,286. 
Euomplialus strongi, var. sinistrorsus, 
n. var, 287. 
Agraulus convexus, 288. 
Agraulus hemisphericus, n. sp., 289. 
(]heilocephalus, 289. 
Clieilocephalus st. croixensis, n. sp., 
k90. 
Dicelloceplialus misa, 290. 
Australian Tertiary Mollusca, 383. 
Fouqu6, 13. 
Frazer, Persifor, 68 ; Archean Character 
of the Nucleus of the Antilles, 250. 
Fuller, M. L., Champlain Submergence 
in the Narragansett Bay Region, 310. 
Furtlier Notes on Block Island : geology 
and botany, Arthur HoUick. 200. 
G 
Genesis of Iron Ores, Residual (Concen- 
tration by Weathering as a Mode of, 
J. P. Kimball, 1.55. 
Geological Section from Moscow to 
Siberia and Return, Persifor Frazer, 
68. 
Geological Society of America, 135; 397. 
Geological Society of Washington, 135; 
201. 
Geological Structure of Shantung, F. v. 
Richthofen, 821. 
Geological Survey of Iowa, Samuel Cal- 
vin, 64: 382. 
Geological Survey of Maryland, 332. 
Geological Survey of New Jersey, J. C. 
Smock. 126. 
Geological Survey of the South African 
Republic. 137. 
Geology of Massanutteu Mountain in 
Virginia, A. C. Spencer, 191. 
Geology of the Environs of Tammerfors, 
J. J . SediM'holni, 213. 
Geology of the Keweenawan Area in 
Northeastern Minnesota, A. H. Elft- 
niaii, 90, 175. 
(ieology of the St. Croix Dalles, C. P. 
Berkoy, 139,271). 
G(H)logy of the Vicinity of Greater New 
York, F.J. H. Morrill, 72. 
Gilbert, G. K., Sketch of Jos. F. James, 
1. 
Government Exploration in Alaska, 265. 
Grant, U. S., Relaticms c>f the Saganaga 
Granite to the Surrounding Rocks, 137. 
(■ireat Eak('s, Account of the Kesearclies 
relating to the, J. W. Spc-ncer, llt>. 
Guano Deposits of the Islands in the 
Southern Pacific, J. J. Riley. 73. 
Gypse de Paris et des miu6raux <iui 
Paciompagent, A. Lacroix, 244. 
H 
Harker, Alfred, Petrology for Studeiits. 
Haughton, Samuel, 74. 
Hawn, Major Frederick, G. Q. Broad- 
head, 267. 
Herrick, C. L., Field Notes in Now Mex- 
ico Geology, 136. 
Hollick, A., Recent Explorations for 
Prehistoric Implements in the Trenton 
Gravels, Trenton, N. J., 135; Further 
Notes on Block Island, 20(1. 
Holm, Gerhard, Palaeontologiska Noti- 
ser, 188. 
Hornblende, occurring in a Hornblende 
Gabbrofrom Pavone, near Ivrea, Pied- 
mont, Italy, Studies on an Interesting. 
F. R. VanHorn, 370. 
Hubbard, G. G., 74. 
I 
Indiana Academy of Science, 13S. 
Institute of France, Cuvier Prize, 74, 
Interglacial Deposits of Northwestern 
Iowa, Samuel Calvin, 251. 
Iowa Academy of Science. 74. 
Iowa (Geological Survey. Administrative 
Reports, 382. 
Iron Meteorites. 331. 
Irving. J. D., Contact-metamorphisni of 
the Palisades Diabase, ;f9S. 
Jaggar, T. A., An Occurrence of Acid 
Pegmatyte in Diabase, 203. 
James, Jos. F.. G. K. Gilbert, 1. 
Julien, A. A., Elements of Strength and 
Weakness iii Building Stones, ;«)7. 
K 
Kalgoorlite— A- New Telluride Mineral 
from Western Australia, E. F. Pittman, 
3S3. 
Kayser, E., Beitr&go zur Kenntniss ein- 
iger paleeozoischer Fauncn Sud-.\nieri- 
kas, 66. 
Kemp, J. F., Some Eruptive Rocks from 
the Black Hills, 135. 
Keweenawan Area of Northeastern Min- 
nesota, Geology of, A. H. Elftman, 90, 
]75. 
Keyes, C. R., Use of the Term Augusta m 
Geology, 229; Carboniferous Forma- 
tions of Southwestern Iowa, 346. 
