^jS^M-a-tri'iiT'r 
394 
Index 
Pennsylvania, 337; of the Trinity for- 
mation in Arkansas, revised by Mar- 
cou, 362. 
Frazer. Persifor, International Congress 
of Geologists, 44; invitation of the 
Congress to Philadelphia, 53; 62. 
Gas, natural, near Albert Lea, Minn., 
126; at Columbus Junction, Iowa, 126. 
Gas-borings in Indiana, 8; in Ohio, 11. 
Geikie's (James) vice-presidential ad- 
dress, 376. 
General interior condition of the earth, 
Leconte, 38. 
Geology iu the high school, Alderson, 
284. 
Geology of the head of Chesapeake bay, 
McGee, 113; of southeastern Iowa, 
Gordon, 237; of New Zealand, Hutton, 
306; of Queensland, 306; of the Mont- 
morenci, James, 387. 
Geologues (les) et la geologic du Jura, 
Marcou, 186. 
Geological Societv of America, 253, 
Gilsonite, (Claypole). 386. 
Gosselet, Prof., 55. 
Gordon, Prof. C. H., Geology of south- 
eastern Iowa, 237; Deep wells in Iowa, 
127. 
Glacial epoch, its cause, Upham, 108. 
Glaciation of mountains, Upham, 165. 
205. 
Glacial geology in Europe, Geikie, 376. 
H 
Hall, Prof. James, Mesozoic in the 
Southwest, 159: report on Int. Cong. 
Geol., 390. 
Hamlin, C. E., 172. 
Hargitt, Prof. C. W., 331. 
Hartley, Noel, 79. 
Hawkesbury-Wianamatta fossils, Ether- 
idge, 109. 
Hay, Robert, Sal in Kansas, 309. 
Havden, F. V., Geology of New Mexico. 
221. 
Heilprin, Prof A., 189. 
Heim, Mr. Albert, 51, 52. 
Hensoldt, Dr. H., Meteorites and what 
they teach us, 28, 73. 
Hicks, Dr. Henry. 49, 52, 140. 
Hill, Robt. T., 165, 219; Foraminiferal 
Cretaceous limestones, 174; Mesozoic 
geology of southwestCTn Arkansas, 243. 
Hitchcock, Prof. C. H., 205. 
Houghton, Douglass, Sketch of life and 
work, A. Wiiichell, 129. 
How is the Cambrian divided? Matthew, 
139. 
Howley, James P., Geology of New- 
foundland, 121. 
Huggins, Dr. , 197. 
Hull, Prof. Edw.,50, 52. 
Hunt, Dr. T. Sterry, 52, 62; Chemical 
reactions in the primeval ocean, 296; 
342. 
Huntington, Dr. Oliver W., 74. 
Huronian, methods of stratigraphy in 
studying. N. H. Winchell, 342. 
Hutton, Capt. F. W., (ieology of New 
Zealand, oOd. 
Ic,e age in North America, Wright, 106, 
Iddings, Jos. P., Obsidian Clifi", 103. 
Indiana natural gas field, Leverett, 6. 
International Congress of Geologists, 
Frazer, 44; WO. 
Iowa, geology of southeastern, Gordon, 
237. 
Iowa Academy of Sciences, 253. 
Irrigation in Dakota. 389. 
Iron production in United States in 1888, 
63. 
Iron butte, Montana, Calvin, 95. 
Iron mines and districts of New York, 
Smock, 187. 
Iron ores, themical origin of in N. E. 
Minnesota, 291, 382. 
Iri ing, R. D., Classification of Cambrian 
and Pre Cambrian formations, 101; 
291. 
Issel, M. J., 55. 
J 
Jack, Robert L., Geologv of Queensland, 
307. 
James, Prof. Jos. F., 329, 387. 
Johnson, L. C, (and E. A. Smith), Terti- 
ary and Cretaceous in Alabama, 188. 
Jones, T. Rupert, Palterizoic Ostracoda 
from Pennsylvania, 337. 
Judd, Prof. J. W., 177. 
Jura, Neocomian and chalk of Arkansas, 
Marcou, 357. 
K 
Kansas Academv of Sciences 388. 
Kaysor, Prof E.,49. 
Ktdzie, J. H., Solar heat, gravitation 
and sun-spots, 18!, 246, 300, 379. 
Kemp, J. F. (and Marsters), < amptonite 
dikes near Whitehall, N. Y., 97. 
Keves, Charles R., Distribution of cer- 
tain loess fossils, 119; Subgeneric 
groups of Naticopsis, 193. 
Kirkwood, Prof. Daniel. 392. 
Lane, Alfred C, A pocket mapping in- 
strument, 2;}9. 
Langdon, D. W. Jr., 254. 
Lappareut (de) Prof.Albert. 56. 
Lapworth, Prof. Charles, 49. 139. 
Lawson, A. C, Arehean geology N. W. 
of lake Superior, 59, 295. 
Lea, M. Carey, Allotropic forms of silver, 
2.54. 
LeConte, John L., Geology of New Mex- 
ico, 221. 
LeConte, Joseph. General interior con- 
dition of the earth 38. 
Lesquercux, br. Leo, ,S92. 
Leverett, Frank, Indiana natural gas 
field, 6. 
Levy. A. Michel, on eruptive rocks, 303. 
Lingulasma, and species of Liugula and 
Trematis, Ulrich, 21. 
Lockver, Prof. Norman, 107, 
Logan. Sir William, 312. 
Lory, Prof., Chnrles51. 
Lunzer Flora (Die), in the coal fields of 
eastern Virginia, D. Stur, 11."). 
M 
^lacfarlane, Thomas. 348. 
Mammals, Cretaceous, Marsh, 108. 
Mapping instrument, A. C. Lane, 239. 
Map of Europe, 53. 
Marietta Scientific Association, 64. 
Mart.h, O. C, Cretaceous mammals, 108. 
Marsters, V. F. (and Kemp), Comptonite 
dikes near Whitehall, N. Y.. 97. 
