110 
I iKle.r. 
Systc'iiiatic list of fossils of the Hudson 
River forniatioii at Stony Modiitaiii, 
ManitQba, J. F. Wliiteaves, :il2. 
Tables for tlio determination of common 
minerals, O. VV. Crosby, 262. 
Tables for the determination of miner- 
• als, P. Frazer, :<2i). 
Tarr, R. S. Elementary pliysical f,'eoKra- 
phy. :{92. 
Terminoloff.v proposed for description of 
Pelecypoda, A. Hyatt. 2.52. 
Tertiary rhynchophorous Coleoptera of 
the United .States, S. H. Scudder. .")9. 
Titaniferous iron ores of the Adiron- 
dacks. J. F. Kemp. 241. 
Todd. .7. E., Interloessial till near Sioux 
("itv, til; Recent fjeologrical work in 
South Dakota. 202. 
Toll, E. v., Scientific results of tli(^ New 
Siberian Islands expedition, :Mi. 
Trik)bites, Larval stayes of, C. E. Beech- 
er, ^m. 
Tyrrell, .1. B.. I!>.s. 
U 
Ueber einiKC Fischreste des norddeut- 
schen und bOhmischeu Devons, A. von 
Roenen. :518. 
Ueber pahi'zoische fauuen aus Asia und 
Nordafrika, F. Freeh, 261. 
Ueber postarchrt-ischen (Tranit von Suli- 
telma. O. NordenskjOld, ;W). 
Union ColleKe, 2t'>S. 
University of Chicaffo, 67. 
University of Minnesota, l:JO. 
United States (Geological Survey, 2U;J, 402. 
Upham, W., 65, :52«, ; 401. Correlations of 
the Ice age in North .\merica and 
Europe, 100; Geological Society and 
American Association meetings, 2:^3; 
brumlins and marginal moraines of 
ice-sheets, 2117 : View of the Ice age as 
two epochs, the Glacial and Cham- 
plain, 250; Warm temiterate vegetation 
near glaciers, 326. 
U)jper Silurian in northeastern Iowa, 
A. G. Wilson, 275. 
V 
Van Hise, C. R., 242; Analysis of folds, 
244; Relations of primary and secon- 
dary structures in rocks, 247. 
Vaugium, T. W., Section of the Eocene 
at Old Port Caddo landing, Texas, .304. 
View of the Ice age as two epochs, the 
Glacial an<l Cliamplain, W. Upham, 25ti. 
Vodges. A. W., On a new trilobite from 
the Arkansas Coal Measures, 262 ; Sup- 
Xtlement to the bibliography of Paleo- 
zoic Crustacea, 262. 
Vogt, Karl, 67. 
W 
Wadsworth, M. E., 204; The elective sys- 
tem as adopted in the Michigan min- 
ning .school, 223. 
Walter, Emma, Does the Delaware water 
gap consist of two river gorges?, 200. 
Warm temperate vegetation near 
glaciers, W. Upham, 1326. 
White, I. C, 237. 
Whitfield, R. P., Republication of des- 
scription of fossils from the Hall col- 
lection, etc., ;311 ; Mollusca and (^rusta- 
cea of the Miocene of New .Jersey, ;591. 
Whirlpool of Niagara, G. W. Holley, 251. 
Whiteaves, J. F., Revision of the fauna 
of the Guelph formation, 312; Fossils 
of the Hudson River formation at 
Stony Mountain, Manitoba, 312. 
Williams, G. H., 131, 400. 
Willis, Bailey, 67,1:31. 
Wilson, A. G., Subdivision of the Upper 
Silurian in northeast Iowa, 249; The 
Upper Silurian in northeastern Iowa, 
275. 
Winchell, H. V., 268. 
Winchell, N. H., Steps of progressive re- 
search in the geology of the Lake 
Superior region prior to tin- late Wis- 
consin survey, 12 • The Keweenawan 
according to the W isconsin geologists, 
75 ; A rational view of the Keweenawan 
10.5 ; The synchronism of the Lake 
Superior region with other portions of 
the North American continent, 205 ; 
The latest eruptives of the Lake 
Superior region, 269; Source of the 
Mississippi, :i2:5; Comparative taxono- 
my of the rocks of the Lake Superior 
region, 'Si\. 
Winslow, A., Zinc and lead deposits of 
Missouri, 118, i:30. 
Wisconsin Academy of Science. Arts and 
Letters,401. 
WoliJ, J. E., Geology of the Green moun- 
tains in Massachusetts, 396. 
Woodward, Henry, 66. 
Wright, G. F., 2.50,401; Glacial pheno- 
mena between lake Champlain and 
lake George and the Hudson, 251 ; Ac- 
count of the discovery of a chipped 
chert implement in undisturbed glacial 
gravel near Steubenville, Ohio, 2.55; 
Dr. Hoist on the continuity of the Gla- 
cial ))eriod, :396. 
Z 
Zinc and lead deposits of Missouri, .\. 
Winslow and J. D. Robertson, lis, 1:1). 
Zittel,Karl von, 66. 
P, 
P, 
1', 
P. 
wee 
P. 
P. 
P. 
P, 
P, 
P. 
Errata for Volume XV. 
299, line 7 from the top, for "distributed" read disturbed. 
:304, line 12 from the toii, for " .\dirondack " readTaconic. 
Errata for Volume XVI. 
IS. last line in foot note, for "xiv" read xv. 
150, line 12 from the bottom, for "ever"' read even. 
•'111^ line 3 from the toi), for " applicable " read capable. 
212, between lines 5 and 6 from the bottom, a line has been omitted; supply, Ki 
nawan and the reddish sandstones of the. 
243, line 21 from the bottom, for "V )ufoniiitii" read Phijxiixjraphn. 
305" line 19 from tlie top, for "section" read sections. 
:i07 line 24 from the top. for "P/oi(nn(.s' (/i(/7/r(y(«' " read Plafanus rinilleliiKi . 
:«7', line 10 from the bottom, for "siin-tdhilis Lx" reiid F. .<i))('cftihilis Lx. 
:308, at end of last line insert, never. 
;i;!7 line 11 from the bottom, for " seventh " read t\v<"]lth. 
