Index 



Brown, R., cited, 55, 83. 

 Brown, T., cited, 80. 

 Brown hornblende of Friday Mine, 

 216. 



Brown-hornblende norite of Cuya- 

 maca region, description of, 197. 



Browne, D. H., cited, 233. 



Bruhl, C. B., cited, 73. 



Bullaria tumida, description of, 433; 

 figure of, opp. 460. 



Cabezon, alluvium at, 341. 



Cabezon fanglomerate, 344, 387. 



Cactus granite, 344, 365. 



Cadiz, California, 1. 



Calcite of Friday Mine, 217. 



Calkins, F. C, cited, 191, 215. 



Callavia=C? nevadensis, 6. 



Calliostoma obliquistriata, description 

 of, 153 ; compared with C. bieari- 

 natum, 153; figures of, opp. 173. 



Callophoca, 123. 



Calvert, F., and Newmayr, M., cited, 

 74. 



Cambrian, Lower, of Bristol Moun- 

 tain, 3, 5, 7 ; fauna of, 6. 

 Middle, of Bristol Mountain, 4, 5; 

 fauna of, 6. 



Cambrian area in Canada, pre-, 

 physiographic axis of, 271. 



Cambrian granite, pre-, of Bristol 

 Mountain, underlying sediment- 

 ary formations, 3 ; erosional sur- 

 face of, 7. 



Campbell and Knight, cited, 236. 



Carboniferous of Bristol Mountain, 

 4,5; fauna of, 6. 



Cardium (Protoeardia), sp., descrip- 

 tion of, 425; compared with C. 

 sagittatus, 425; figure of, opp. 

 448. 



corbis, description of, 150; figure 



of, opp. 168. 

 coronaensis, description of, 424; 

 figure of, opp. 440. 

 Carneros Creek, California, 135. 

 Castle, W. E., cited, 57. 

 Cavins, A. C, cited, 3. 

 Cerithium (?), sp., description of, 

 430; compared with C. (?) su- 

 ciaensis, 430. 

 suciaensis, description of, 430; fig- 

 ure of, opp. 456. 

 Chlorite of Friday Mine, 216. 

 Chaleopyrite of Friday Mine, 215. 

 Cienaga Seea Creek, rocks of, 344. 

 Cierbo formation, Briones distinct 



from, 134. 

 Cirques of San Bernardino Mountains, 

 335. 



Clark, B. L., cited, 134, 138, 146, 149, 



153, 154, 155, 299. 

 Clark, Clifton, W., 1; cited, 362. 

 Cliothyridina, 6. 



Clipper Mountains, California, ab- 

 sence of fossils in, 2. 



Coachella fanglomerate, 344, 386. 



Cobalt, Ontario, relation of veins to 

 folds at, plan of, 258; structures 

 at, 262; easterly-westerly faults 

 at, 265, 277; paragenesis of ores 

 at, 270; genesis of ores at, 271; 

 minor structures at, 276 ff. 



Cobalt District, Ontario, Canada, 

 Genesis of the Ores of, 253-310. 



Cobalt district, formations of, 254; 

 structures of, 255; faults at, 262; 

 bibliography of, 306. 



Cobalt Lake fault, 256, 279; svncline, 

 279. 



Cobalt Series, 255, 257. 

 Cobalt silver veins, 256, 267. 

 Cobalt surface, pre-, 257; origin of, 

 258. 



Coleman, A. P., cited, 194, 232, 239. 



Collins, J. H., cited, 255. 



Condon, Thomas, quoted, 31; cited, 



62, 63. 

 Conrad, cited, 153. 

 Cooper, W., cited, 14. 

 Cope, E. D., cited, 51, 76. 

 Cottonwood Mountains, California, 



320. 



Cretaceous of the Santa Ana Moun- 

 tains, California, New Species 

 from, 413-462. 

 Cretaceous, Upper, ancestral Pho- 



cidae of, in New Jersey, 68. 

 Crustified veins, 287. 

 Crystallization, order of, in Cuya- 

 maca rocks, 203. 

 Cucullaea (?) sp., 417. 



cordiformis, description of, 417; 



figure of, opp. 434. 

 lirata, description of, 417; compared 

 with Trigonarca telugensis, 

 417; figures of, opp. 434, 436. 

 ponderosa Whiteaves, description 

 of, 416; compared with C. 

 truncata, 416. 

 Cul de sac fractures, 304. 

 Cuvier, G., cited, 46. 

 Cuyamaca basic igneous mass, age 

 of, 207. 



Cuyamaca basic intrusive, 193 ff. 



Cuyamaca Mountains, 178, 179. 



Cuyamaca Region of California, G&- 

 ology of, 175-252. 



Cuyamaca region, relief of, 179 ; 

 climate and vegetation of, 180; 

 physiography of, 180; geology 

 of, 181 ff.; geological map of, 

 opp. 182; crystallization in rocks, 

 203; basic dykes, 209; aplite of, 

 210; geologic structure of, 211. 



Cycles of erosion, San Bernardino 

 Mountains, 323, 325, 333. 



[416] 



