438 
INDEX 
Thrust-faulting, economy, 94 
Tin mining, antiquity, 161 
Training of Geologist, 265 
Transmutation of vertebrates, 10 
Travers, M, W,, cited, 143 
Tremolite, analysis, 200 
Triassic coals, 149; analysis, 247; 
North Carolina, 246 
Trilobites, anatomy, 321; append¬ 
ages, photo, 322; oldest, 3^ 
Trunk Channels of ore deposition, 
226 
Tucumcari peneplain, 361 
Tuertos laccolith, depth, 209; sec¬ 
tion, 117; Mountains, 29 
Type-form of laccoliths, 28 
Typical laccolith, figure, 30 
Udden, J. a.. Potash Wells in Tex¬ 
as, 344; Sweetland beds, 309; 
Texas Potash, 249 
Uitenhage fauna, 178 
Ulrich, E. O., cited, 133, 308; quot¬ 
ed, 251, 289, 321 
Union and Lance Formations are 
Mesozoic in Age, by C. Schu- 
chert, 65 
Union section floral continuity, 67 
Unveiling of Calvin Portrait, by C. 
Keyes, 235 
Upper Paleozoic Faunas, H. S. Wil¬ 
liams, 35 
LTtah, grand stair-way, 215; Henry 
Mountains, 28; High Plateaus, 
176; natural bridges, 213; natural 
bridges, views, 224; summit plain 
of Rockies, 359 
VadosE Ore deposition, 275; waters, 
227; zone, depth, 282; zone, sub¬ 
divisions, 285 
Van de Derwies, 32 
Van Hise, C. R., cited, 208, 380, 388 
Van Horn, F. F. W., cited, 391 
Van Ingen, G., collections, 35 
Van Lennep, D., mention, 397 
Van Siclen, M., mention, 44 
Vanishing of Eastern Coals in In¬ 
diana, by W. N. Logan, 167 
Vein Attitude of Colemanite Beds, 
by C. Keyes, 408 
Vein Character of Colemanite 
Deposition, by C. Keyes, 408 
Venerable mining industry, 161 
Verity of Pipe Vein, by C. Keyes, 
352 
Verneuil, E. de, cited, 308 
Vertebrates, Phyletic Relations, 68; 
transmutation, 10 
Vetas series of Bolivia, 372 
Virginia natural bridge, 213 
Vogt, J. H. L., cited, 208, 390 
Volcanic ash in Tennessee, 251; 
cone of Elburz, 88; Craters of 
Southwest, 86 
Wachsmuth, C., mention, 76, 235 
Walcott, C. D., Anatomy of Early 
Trilobites, 321; Oldest Trilobites, 
329; quoted, 319 
Waldtenstein, W. von, 383; cited, 
383 
Wallace, A., quoted, 56 
Walls of Jericho, Utah, 224 
Washington, H. S., cited, 202 
Washington, H. S., Nephrite Celt 
from Brazil, 198 
Weed, W. H., quoted, 115 
Weller, S., Kinderhook correlation, 
310 
Wegener, A., cited, 182 
Wernerian relic, 252 
West Elk Mountains, 205 
Western Interior Coal-field, 248 
White, D., quoted, 351, 365 
Whitney, J. D., cited, 384, 389, 253, 
402 
Wide Extent of Texas Potash, by 
J. A. Udden, 249 
Wilbur, R. L., appreciation of Bran- 
ner, 260 
Williams, H. S., cited, 39; note, 35 
Williams, H. S., Upper Paleozoic 
Faunas of Missouri, 35 
Williams Expedition of 1919, 22 
Williams, George Huntington Me¬ 
morial Publications, No. 11, 272 
Williams, G. H., mention, 44, 49 
Williams, J. F., mention, 259 
Willis, B., cited, 18, 137, 180; quot¬ 
ed. 179 
Winchell, A., cited, 36; mention, 
49; quoted, 39 
Winchell, N. H., cited, 27; mention, 
49 
Windhausen, A., cited, 418 
Wind scour, 281 
Wing dams in arid lands, 315 
Winslow, A., cited, 143, 278, 387; 
mention, 259 
Wisconsin road metal, 341 
Wolf, T., cited, 24 
World’s Oil Reserves, by C. Keyes, 
350 
