Index. 
413 
Tarr, R. S., Geological History of the 
Chautauqua graDe belt, 251. 
Taylor, F. B., Studies of the Great Lakes 
in 1895, 253; The Algonquin and Nipis- 
sing beaches, 397. 
Thickness of the Paleozoic rocks in the 
Mississippi basin, 169. 
Tight, W. G., A preglacial tributary to 
Faint creek and its relation to the 
Beech flats of Pike county, Ohio, 326. 
Timepiece of Geology, E. W. Claypole, 
40. 
Todd, J. E., Log-like concretions and 
fossil shores, 347. 
Turner, H. W., Archean gneiss in the 
Sierra Nevada, 344' Notice of some 
syenitic rocks from California, 375. 
U 
Ueber angebliche Organismenreste aus 
pracambrischen Schichten der Bre- 
tagne, H. Rauff, 396. 
Ueber Archa?ische Ergussgesteine aus 
Smaland, O. NordenskjOld, 179. 
Ueber die Graptoliten, C. Winan, 115. 
Underground temperatures, A. Agassiz, 
60. 
UndersOkningar ofver Zonen med Agnos- 
fcus hevigatus i Vestergotland, Ivar D. 
Wallerius, 49. 
United States Geological survey, C. D. 
Walcott, 117; 406. 
Unter Tertiare Selachier aus Sildruss- 
land, Otto Jaekel. 245. 
Upham, Warren, (with G. F. Wright), 
Greenland ice fields and life in the 
north Atlantic, with a new discussion 
of the causes of the ice age, 243; Ero- 
sion of the St. Croix dalles. 260, 339 ; 
Sublacustrine till, 371; Philadelphia 
meeting of the Geological society of 
America, 89 ; Preglacial and postglacial 
valleys of the Cuyahoga and Rocky 
rivers, 105 ; Physical conditions of the 
flow of glaciers, 16 ; Beaches of lake 
Warren and Algonquin, 400. 
Van Hise.C. R., Movements of rocks un- 
der deformation, 99; 125 ; 193. 
Vaux, George, 346. 
Volcanic tuffs of Segalas, A. Lacroix. 
362. 
w 
Wadsworth, M.E.,93. 
Wachsmuth, Charles, Biographical 
sketch of, C. R. Keyes, 131 ; 193. 
Walcott, C. D., int. 
Wallerius, I. D., Investigation of the 
zones with Agnostuslaevigatus at Wes- 
tergotland, 49. 
Ward, Henry A., 340. 
White, David, The Lower Carboniferous, 
266. 
White, Prof. I. C. , 103; 192. 
White, T. G., The faunas of the upper 
Ordovician strata at Trenton Falls, N. 
Y., 62. 
Willcox, Jos., 263. 
Williams, Geo. H., 341. 
Willis. Bailey, Ancient sea shores, 265 : 346. 
Wilson, A. G., Frozen streams of the 
Iowa drift border, 364. 
Wiman, Carl, Ueber die Graptoliten, 115 : 
Paleontologischi' Notizen, 119. 
Winchell,H. V., 340. 
Winchell, N. H., Lacroix' axial gonio- 
meter, 79; Microscopic characters of 
the Fisher meteorite, 173; 234; 340. 
Wisconsin Academy of Sciences, 126. 
Wist ar, Isaac J.. Distribution of iron ox- 
ide in the rocks of the Anthracite re- 
gion, 262. 
Wright, G. F., High-level terraces of the 
middle Ohio and its tributaries, 103; 
Greenland icefields and life in the 
North Atlantic, with a new discussion 
of the causes of the ice age (with Up- 
ham), 243. 
