Index. 
441 
' Dall, W. H. , Classification of the Tertiary, 
282. 
Dakota formation, 263. 
Dawkins, Prof. W. B., Address at the 
58th meeting B. A. A. S., 420. 
Dawson, Dr. G. M., geological map of the 
northern part of the Dominion, 131; 
Glaciation of British Columbia, 279. 
Des Moines, Iowa, Coal Measures at, 23. 
Devonian, origin of the name, 225; Areas 
of N. America, 228; The base of, '^37; 
The top of, 239; Distinct marine fau- 
nas of, 240; Not sharply divided, 242; 
unsettled problems of, 24.5. 
Dewalque, Prof. G., The Cambrian, Si- 
lurian, Taconic, 36.t. 
Die carbone Eiszeit, Waagen, 336. 
Diller, J. S., 64. 
Dimetian as a term in the Archteun, 163. 
Diplacodon beds, 289. 
Drift deposits, a part of the Plistocene, 
296. 
Early trilobites of the Cambrian, Mat- 
thew, 1. 
Earth the, interior of, Claypole, 28. 
Eastern border region of the Devonian. 
228. 
Eat^tern continental region of the De- 
vonian, 229. 
Economic geology of Ohio, Orton, 58. 
Elliptocenhnhis asaphoides, of the Ta- 
conic of Emmons, 12. 
Emmons, E., on the geology of theMont- 
morenci, 94; On the Establishment of 
the Taconic system, 3.54. 
English sub-committee, report on the 
Archfean, 187. 
Eocene of Alabama, Smith, 260; Eocene 
system. Cope, 287. ^ 
Eozoon cuTiadevse. its nature, 175. 
Erian, proposed by Dawson, in 1871, 
227. 
Eruptives of the Arehsean,howelassifled, 
160, 176. 
Etchhninian Series, 1. 
Ethical functions of scientific study T. 
C. Chamberlin, 380. 
Equus beds, 293. 
Farnsworth, P J., pockets of fire-clay in 
the Niagara limeetoue, 331. 
Fish, relations of separate relics to each 
other, Traquair, 138. 
Flaming Gorge formation, 267. 
Foerste, Aug. F., 412. 
Ford, S. W., nomenclature of the Lower 
Paleozoic, 190.* 
Formation of coal seams, 334. 
Fox-hills, formation, 26u. 
Fossils — 
Of the Cambrian m Canada, Matthew, 
1. 
Of the Taconic, Marcou, 10. 
Of the Lower Coal Measures at Des 
Moines, Iowa, Keyes, 23. 
A)g;o, Maillard, 54. 
Plants of the Laramie, L. F. Ward, 
50. 
Plani- in the Archscan, Britton. 58. 
Clark's collection of fishes at Berea, 
62. 
Parndoxides Davidis in Britain, 77. 
Spicules in Archwocyathus uiiaga- 
aensis, Hinde, 128. 
Vlypliastrea and Septiistrea, Hinde, 
127. 
Sponges from Spitzbergen, Hinde, 128. 
f>yncaridii, Packard, 131. 
New Trilobite from North Wales, 
Woodward, 132. 
Eozoon — is It organic? 175. 
Frazer, Dr P., 138, Report on the 
Archsean, 143; The International 
Congress of geologists invited to Phil- 
adelphia, 368; Archa'an rocks of the 
Antilles, 421. 
Geikie, A. Cambrian-Silurian, 366. 
Geology as a means of culture, A. Wiu- 
chell. 44, 100. 
Geological Survey of Ohio, Orton, 58. 
Geological map of Europe, 66. 
Geological classifioatiou and nomen- 
clature, Marcou, 129. 
Geological and Nat. Hist. Survey of 
Canada. Annual report. 133. 
Georgia formation, Maroou, 76. 
Gilbert, C. C, 366. 
Glacier erosion in Norway, Spencer, 432. 
Gmeiner, Prof. John, 362. 
Goode, G. Brown, Beginnings of Ameri- 
can Science. 429. 
Gordon, Prof. C. H., deep well at Keo- 
kuk. Iowa, 362. 
Gosselet, Prof. J., Cambrian-Silurian, 
365. 
Grand Gulf series of Mississippi, 273. 
Graptolitea of the Taconic, 13. 
Gulf group of the Tertiary, 89. 
H 
Hall, .las., nomenclature of the Lower 
Paleozoic, 200; 362. 
Hebridian, as a term in the Archaean, 
163. 
Heilprin. Angelo, on the classification 
of the Tertiary, 278. 
Heim, fractures of the earth's crust, 
348. 
Hicks, Dr. Henry, the Cambrian and 
Silurian, 364. 
Hicks, Dr. L. E., on volcanic dust, 64; 
on the Valentine quartzyte. 351. 
Hitchcock, Prof. C. H., nomenclature 
of the Lower Paleozoic, 201; report 
on the Quaternary, 300. 
Hill, Rob't T. 138, 370. 
Hinde, G. J., on Septastnva and Gly- 
phastrwii 127. 
Hull, Prof. E., nomenclature of the 
Lower Silurian, 36(5. 
Hunt, T. Sterry, nomenclature of the 
Lower Paleozoic, 20^;, 365. 
Huronian system of Canada., Selwyn, 
62; Bell, 361. 
I 
Idaho formation, 292. 
Iddings, Jos. P., Rock-forming minerals, 
430. 
Interior of the earth, Claypole. 28. 
International Congress of Geologists, 
66; Reports of the American Com- 
mittee, 139—306; The London Ses- 
sion, 363. 
International Committee on nomen- 
clature, objections to report of, at 
Berlin Congress, 147. 
Iowa Association for scientific resea 
3()2. r 
Irving, Prof. R. D., 60. ^°' 
