INDEX 
429 
^344; secondary character, 411; 
sedimentary nature, 399; vein at¬ 
titude, 408 
Colleges, mentality, 54 
Collier, A. J., cited, 143 
Collins, R. E., Precordillera of Ar¬ 
gentina, 417 
Colombia Andes, 16 
Colorado Rockies, summit plain, 359 
Columbia University, mentality, 54 
Commercial borat'CS, 401 
Complexity of Cerrillos hills, 119 
Complexity of Peter Sandstone, by 
C. Keyes, 245 
Composite Nature of Rock Mass- 
movement, by C. K. Leith, 84 
Congres International Geologique in 
Belgium, by C. Keyes, 51 
Contact-ores of Ortiz, 207 
Contemporary Formation of Bor¬ 
ates, by C. Keyes, 401 
Continental Dynamics, by C. Keyes, 
88 
Continuity in Lance and Union Sec¬ 
tions, by F. W. Knowlton, 67 
Conybeare, W., cited, 38 
Cook, H. J., Peccary oldest, 357; 
conglomerate of Black Hills, 422 
Coon Butte, 87 
Cooper, H. H., quoted, 247 
Cornell University, mentality, 54 
Cornish tin mines, 161 
Corazon peneplain, 361 
Corocoro copper belt, 367 
Copenhagen base line, 83 
Copper contact deposits, 120 
Copper of Bolivia, tenor, 369 
Copper ores of Bolivia, 367 
Cotta, B. von, cited, 383 
Coxville Ridge, Indiana, 167 
Credner, H., cited, 143 
Craighead shale, synonym, 310 
Cretacic beds of Andes, 241; form¬ 
ations in Iowa, 424; rocks of Pa¬ 
tagonia, 418; sedimentation in An¬ 
des, 241 
Cretacic Formations of English 
Channel, by M. Charcot, 255 
Crinoids, scarcest, 76 
Critical Episode in Evolution, 121 
Criticism, judicial attitude, 311 
Cross, W., Tertiary Aspects of 
Lance Beds, 66 
Cross, W., cited, 29, 203; mention, 
43; quoted, 34, 74 
Crow’s Nest, thrust, 169 
Cross-bars of Joplin, 380 
Cross-section of Henry Mountains, 
28 
Cuesta ridges of France, 52 
Cuneiform laccolithic structure, 30 
Cycles of ore-bearing waters, 347 
Dacque, E., cited, 183 
Dake, C. L., Peter Sandstone, 244; 
Peter Sandstone, 288 
Dakotan Sandstone in Missouri, by 
C. Keyes, 256 
Daly, R. A., cited, 203; quoted, 33 
Dana, J. D., cited, 25, 203; quoted, 
34, 180 
Darton, N. H., quoted, 250 
Darwin, C., cited, 180; quoted, 4, 
121 
Davis, W. M., mention, 90, 311; 
quoted, 58 
Death Valley Boraciferous Ter- 
ranes, by C. Keyes, 416 
Death Valley borates, 402 
Deep River coal-field, 246 
DeLaunay, L., cited, 208, 227, 285 
Dawson, G. M., cited, 27 
DeGeer, G., cited, 194 
Demesne of petrology, 253 
Depth of desert soil, 317 
Derby, O. A., mention, 258 
Derivation of Peter Sandstone, by 
C. L. Dake, 244 
Derivation of South American 
Faunas, by F. B. Loomis, 61 
Desaguadero series, Bolivia, 367 
Descartes, R., quoted, 87 
Desert geology and colemanite, 399 
Desert playas, borates, 410 
Desert Ranges of Mexico, by J. E. 
Spurr, 79 
Desert soil, depth, 317 
Devonic fishes, 3^; ostracoderms, 
10 
Diener, C., cited, 192 
Diener, C., Features of Earth’s 
Surface, 177 
Dikes, lateral displacement, 205 
Directrix of isostasy, 90; diagram, 
171 
Discovery of Gilbert’s Star, by C. 
Keyes, 86 
Domeyko, J., cited, 371 
D’Orbigny, A., cited, 274 
Douglas, J. A., cited, 21, 375 
Dowling, D. B., cited, 172 
Dubuque lead district, 253 
Dutton, C., mention, 88, 90; quoted, 
215 
