HO 
Tnde, 
Three greal fossil Plaeoderms of Ohio. 
K. WTClaypole, 89. 
Tli ret* new species of Diniohthys, E. W, 
Claypole, 275. 
Till, subglaeial anil englacial, 38. 
Time, Geologic, as indicated by the sedi- 
mentary rocks of N. A., <'. D. Walcott, 
343. 
Titanichthys.95. 
Topographic forms. A classification of, 
S. H. Perry. 158. 
Treniatobolus, an artionlate brachiopod 
of the Inarticulate order, (i, F. Mat- 
thew, 396. 
Tschern.vschew.Tli.. Devonian Fauna of 
the Altai, 335. 
Tuonmcari, Cerro, Jules Marcou, 108. 
Two Neocene rivers of California, W. 
Lindgren, 121, 
U 
I'lrich, E. (>., Lower Silurian bryozoa of 
Minnesota, 331. 
Unconformity of the Coal Measures and 
the St. Louis limestone in Iowa, C. H. 
Keyes, 99. 
I'nited States Geol. Survey, Eleventh an- 
nual report, 259 ; Mineral resources, 260 ; 
Correlation papers, Cretaceous. 398; 
Eocene, 399; Neocene, :599; The Newark- 
system, 102. 
Unity of the Glacial period, G. F.Wright. 
178. 
Cpham, Warren, Englacial drift. 36; Com- 
parison of Pleistocene and present ice- 
sheets, 119; on glacial erosion, 147; 167; 
Evidences of the derivation of the 
Karnes, Eskers and Moraines of the N. 
A. ice-sheet chiefly from its englacial 
drift, 169; The succession of Pleistocene 
formations in the Mississippi and Nel- 
Bon river basins, 170; 175; 177; Tertiary 
and Quaternary stream erosion of N. 
A.. 180: The Fishing Banks between 
Cape Cod and Newfoundland, 190; 
Pleistocene climatic changes. 22k. 
Van Hise, C. K.. 172: 17 1 : 27:1. 
Vine, G. K., 342. 
Vivian, Edwin, 131. 
Vogdes, A.W., Bibliography of the Paleo- 
zoic Crustacea, 262. 
W 
Walcoit.c. I).. 109; 181; Geologic Time; 
as indicated by the sedimentary rocks 
of North America, 843. 
Wanderings of the North Pole, B. S. Ball, 
192. 
Ward, Lester F., on the genus Winchel- 
lia, 211. 
White, C. A.. Cretaceous fossils from 
northern Minnesota. 221; Correlation 
Papers, Cretaceous, 398 
White, I. ('.. 132. 
Whitfield, II. P., Gasteropoda and Ceph- 
alopoda of the Haritan clays of New 
Jersey, 320. 
Williams, E. H., South Mountain glacia- 
tion, 166. 
Williams. G. H., an.l W. B. Clark, Mary- 
land geology, 396. 
Williams, 11. S., 178. 
Winchell, H. V,. Note on Cretaceous in 
northern Minnesota, 220. 
Winchell, .N. H., on superglacial drift, II; 
The Norian of the Northwest, 60; (and 
C. Schuchert) Sponges, graptolites anil 
corals of the Lower Silurian in Minn., 
331; Lower Silurian brachiopoda of 
Minn., 332. 
Woodward. A. (and B. W. Thomasi, Mi- 
croscopical Fauna of the Cretaceous in 
Minnesota, 830. 
Woodward. H . (and T. K. Jones), Mono- 
graph of British Paleozoic Phyllopoda, 
332. 
Woodworth, J. B., An attempt to esti- 
mate the thickness of ice-blocks which 
gave rise to lakelets and kettle-holes, 
279. 
World's Congress on Geology, 181, 223, 
271. 
Wright, A. A.. On the limitof the glaciat- 
ed area in New Jersey, 166, 
Wright. G. F., 116; Extra-moraimc drift in 
New Jersey. 166;The evidence of Glacial 
man in America. 173; 177: Additional 
facts tearing on the unity of the Glacial 
period, 178; 181; 229. 
Z 
Zinc in Missouri. G. C. Broadhead. 274; 
in Wisconsin, W. P. Blake, 237. 
Zygospira, development of, C. Schuchert, 
262: brachial supports, C. E. Bencher 
and C. Schuchert, 394. 
ERRATA. 
On p. in*, in the title of the paper, for 1859 read 1839. 
On p. 19:5, line 23, for "Betrograptus" read Betiograptus. 
On p. 19:5, line 39, for "rotundiformis" read rotundif rons. 
On p. 213, line 7 from the bottom, for 1882 read 1892. 
On p. 270, line 21, for H. Piers read H. Ami. 
