INDEX TO VOL. XVIII. 
Ase of the California Coast ranges, H. 
W. Fairbanks, 271. 
Algonquin river, G. K. Gilbert, 231. 
American Association for the Advance- 
ment of Science, 59; 213. 
An early date for Glaciation in the Sier- 
ra Nevada, W. D. .Johnson, Gl, 
Arlington Iron (meteoric), N. H. Win- 
cliell, 207. 
Augen-Gnei.«sarea, pegmatite veins, and 
diorito dikes at Bedford, N. Y., Luquer 
and Ries, 239. 
Bain, H. F., 58; 265. 
Harton, Geo. H., Former extension of 
glaciation in Greenland and Labrador, 
379. 
•Bayley, W. S., (and Van Hise), Prelimi- 
nary report on the Marquette Irou- 
beaiiug district of Michigan, 320. 
Beeclier, C. E., On the occurrence of Si- 
lurian strata in the Big Horn moun- 
tains, Wyoming, and in the Black Hills, 
South Dakota, 31. 
Becker, Geo. F., 334. 
Beu.scliausen, L., Die Lamellibranchia- 
ten des reinischen Devon, mit auss- 
cliluss dt^r Aviculiden, 124. 
Bingliam. A. P., Glacial flood deposits in 
the Chenango valley. 229. 
Biographical Sketch of F. B. Meek, C. A. 
White, 337. 
Black River limestone at lake Nipisi-ing, 
N. H. Winchell. 17S. 
Blake, W. P., Gypsum beds in southern 
Arizona, 394. 
Bodenbender, Guil.. Sobre la edad de 
' Algunas formaciones Carboniferas de 
la Republica Argentina, 49. 
Bonnev.T. B., Ice-work, present and past, 
44. 
British Association for the Advancement 
of Science, 336. 
'Bryson, John, Good Ground, Long 
IshuKl, 329. 
Bulletins of American pah^ontology, G. 
D. Harris, 183. 
(California State Mining bureau, 194. 
Chahners, Robert, Surface geology of 
eastern New Brunswick, 46. 
Clarke, .J. M., James Hall and the New 
York State Survey, 55. 
Clavpolo, E. W., Dinichthys Prentis- 
(narki,199;222; Human relics in tli(^ 
driftof Ohio, 3i)2. 
Clendenin, W. W., Preliminary report on 
the Floriihi Parishes of East Louis- 
iana, 322. 
Cope, E. D., .59:217. 
Correlation of Warren beaclies, with mo- 
raines and outlets in southwestern 
Michigan, F. B. Ta.vlor, 23:i. 
COEEESPON DENCE. 
James Hall and the New York State 
Survey, J. M. Clarke, .55. 
Note on a recent review on Tabulate 
Corals, F. W. Sardesou, 131. 
The Plains Perminn, F. VV. Cragin, 131. 
An Ally of Daimonelix. Jos. F. James, 
193. 
Mr. Sardeson and tabulate corals, :i?2. 
Prof. Lesley's final report, 323. 
Cragin, F. \\'., The Plains Permian. 131. 
Cretaceous clay marl exposure at Clitt- 
wood, N. J., Arthur Hollick, 231). 
Cusliing, H. P., Pre-Cambrian and post- 
Ordovician dykes, 390. 
D 
Dale, T. N.. Structural details in the 
Green mountains, :i9(). 
Dauhree, Gabriel Auguste, (obituary 
note) 132. 
David, T. W. Edgeworth, Evidences of 
glacial action in Australia in Permo- 
Carboniferous time, 188. 
Davison, C, The straining of the earth 
under secular cooling, 188. 
Dawson. Geo. M., Canadian geological 
report, 386. 
Dean, Bashford, On the vertebral col- 
umns, tins. Mild ventral armoring of 
Diuichtliys, 316. 
Determinative mineralogy. Brush and 
PenHeld,391. 
Diller. J. S..6(), 61. 
Dinichthys Prentis-Clarki, E. W. Clay- 
pole, 199. 
Discovery of a new lish fauna, from the 
Devonian rocks of southwest New 
York, F. K. Mixer, 223. 
Dowling, I). B., Report on the vicinity 
of Red lake and the Beiens river, :^89. 
Eastman, C. R., Observations on the dor- 
sal siiields in the diuichthyids, 222. 
Edttoktal Comment. 
The Geological Society of America, 35 ; 
Pre-Taconic organisms, 123; The 
missing link, 179; The law of priority, 
182; Das Tliierreich, 182. 
Ein neucntdecktes Vorkonunenvon Trem- 
adoc Fossilien bei Hof, J. F. Pom- 
peckj, 264. 
Elective system in Engineering Colleges. 
M. E. VYadswortli, 282. 
Elements of Geology, Joseph Le Coute, 
:1S4. 
Emerson, B. K., Mineralogical Lexicon 
of Franklin, Hamijshire and Hanipdi.i 
counties, Mass.. .50 ; 217 ; 220. 
Eficeno stages of Georgia, G. D. Harris, 
236. 
Evidence of former extension of glacia- 
tion in Greenland and Labrador, G. H. 
Barton, 379. 
Evidences of glacial action in Australia 
in Pernio-CarboniferouH time, T. M. 
Edgeworth David, 188. 
