INDEX. 



587 



Cephalopods, Permian, ii, 653. 

 654 



Silurian, ii, 403, 405 



Triassic, iii, 51, 53, 56 



Upper Cambrian, ii, 299 



Upper Jurassic, iii, 91 

 Cerastoderma, iii, 292 

 Ceratiocarids, Silurian, ii, 408 

 Ceratites, iii, 52 



binodosus, iii, 54 



nodosus, iii, 51 



Triassic, iii, 52, 54, 56 



trinodosus, iii, 54 



whitneyi, iii, 53 

 Ceratodus, ii, 487 

 Ceratopsis chambersi, ii, 551 

 Ceratops family, iii, 176 



oculifera, ii, 351 

 Ceratosaurus nasicornis, iii, 97, 



98 

 Ceraurus pleurexanthemus, ii, 



349 

 Cercopithecidae, iii, 324 

 Cerithium paskentasnsis, iii, 136 



texanum, iii, 135 

 Cervidae, iii, 256 

 Cetacea, iii, 229 



Miocene, iii, 294 

 Celiosaurus, iii, 99 

 Chadron formation, iii, 245, 564, 



565 

 Chain coral, Silurian, ii, 407 

 Chalcedony, i, 461 

 Chalk, i, 468. 660 



Comanchean, iii, 117 



Cretaceous, iii, 143 



European, iii, 169 



origin of, iii, 149, 186 

 Challenger deep, i, 587, 588 

 Chalmers, R., cited, iii, 336, 361 

 Chalybeate springs, i, 235 

 Chamberlain shale, iii, 269 

 Chamberlin, R. T., cited, ii, 95; 



iii, 470 

 Chamberlin, T. C, cited, i, 23, 

 242, 256, 322, 477, 565, 

 668; ii, 198, 302, 323, 337, 

 414, 613; iii, 337, 344, 361, 

 367. 37o, 412, 516; (and 

 Leverett), iii, 382; (and 

 Salisbury), iii, 344, 411 

 Chamidae, iii, 134 

 Champlain clays, iii, 403 



epoch, iii, 494 



sub-stage, iii, 403 

 Champlainic system, ii, 310 

 Champsosaurus, iii, 181 

 Chance, H. M., cited, iii, 382 

 Changes of level, i, 537-551 



caused by earthquakes, i, 536 



causes of, 551-557 



effect on drainage, i, 161 



Pleistocene, iii, 480 



sea versus land, i, 538 

 Changes of temperature, condi- 

 tions affecting, i, 45 



effect on rocks, i, 44, 49 



internal (see Internal tem- 

 peratures) 

 Chapin, J. H., cited, iii, 370 



Charleston earthquake, i, 530 



sandstone, ii, 559 

 Chattahoochee beds, iii, 244 

 Chattanooga shale, iii, 549, 551 



552 

 Chatter-marks, i, 284 

 Chautauquan series, ii, 433 

 Chazy fauna, ii, 365 



limestone, ii, 310 

 Cheiracanthus, ii, 490 

 Cheirolepis, iii, 40 



muensteri, iii, 41 



trailii, ii, 489 

 Cheiroptera, iii, 229 

 Chelonia, iii, 42 



Triassic, iii, 43 

 Chelyzoon, iii, 44 

 Chemical combination, cause of 



crustal movement, i, 556 

 Chemical deposits, i, 222-226 



in deep sea, i. 383 



in lakes, i, 391 



in shallow sea, i, 374-378 

 Chemical work of atmosphere, i, 



41-43 

 Chemical work of life, i, 638- 



646 

 Chemnitzia, iii, 91 

 Chemung brachiopods, ii, 478 



fauna, ii, 477 



formation, ii, 433 



gastropods, ii, 478 



pelecypods, ii, 478 



pteropods, ii, 478 

 Chert, i, 426, 468 

 Chesapeake fauna, iii, 291 



formation, iii, 260, 449 

 Chester amphibolite, iii, 546 



beds, ii, 500, 503 

 Cherokee shales, ii, 561 

 Cheyenne sandstone, iii, 118 

 Chiastolite, i, 461 

 Chickahoc chert, iii, 562 

 Chickamauga limestone, ii, 316; 



iii, 548, 55i 

 Chickasawan formation, iii, 199 

 Chico series, iii, 160 

 Chicopee shale, iii, 546 

 Chillesford Crag, iii, 318 

 Chilonyx, ii, 650 

 Chimaeridae, iii, 85 

 Chimney-rocks, i, 350 

 Chimpanzee, iii, 326 

 China, Archean of, ii, 159 



Cambrian of, ii, 272, 273 



coal of, ii, 590 



Cretaceous, Upper, iii, 170 



Devonian of, ii, 448 



Eocene of, iii, 217 



loess of, iii, 407 



Mississippian of, ii, 517 



Pennsylvanian of, ii, 590 

 Chipola beds, iii, 244 

 Chlamys, iii, 292 

 Chlorite, i, 461 

 Chlorite schist, i, 468 

 Chloritic rock, i, 431 

 Chonetes, ii, 465, 615 



cornutus, ii, 403, 471, 472 



granulifera, ii, 617 



Chordata, ii, 484 

 Choristoceras marshi, iii, 51 

 Choristodcra, iii, 181 

 Chouteau limestone, ii, 500, 561 

 Chromite, i, 461 

 Chrysodomus, iii, 294 



decemccstatus, iii, 294 

 Chrysolite, i, 462 

 Chrysotile, i, 462 

 Chuar formation, ii, 153 ; iii, 574 

 Church, A. P., cited, iii, 342, 473 

 Cidaris, iii, 91 



corona ta, iii. 84 

 Cidaroida, iii, 85 

 Cincinnati arch, ii, 330, 335 

 Cir.cinnatian series, ii, 310 

 Cinder-cones, i, 608 

 Cinders, i, 405 

 Cinnamomium, iii, 173 

 Cintura formation, iii, 575 

 Circularity of orbits, evolution of 



ii, 67 

 Cirques, i, 286 



in Uinta mountains, iii, 467 

 Cisco series, ii, 563 

 Civet famiiy, iii, 289 

 Cladodoxylon, ii, 595 

 Cladodus, ii, 536 



springeri, ii, 521 3 



Cladoselache, ii, 536 

 Claibornian formation, iii, 199 

 Claosaurus, iii, 178 

 Clark, W. B., cited, ii, 319; iii 



59, 114, 137, 139. 140, 242, 



260, 261 ; (and Bibbins)., iii 



in, 114; (and Martin), iii, 



198 

 Clarke, F. W., cited, i, 396, 573 

 Clarke, J. M., cited ii, 391, 451, 



478; (and Schuchert), 310, 



370, 420 

 Clarke, W., (and Lewis,) cited, 



iii, 153 

 Clark formation, ii, 559 

 Clarksburg formation, ii, 1S6, 



187 

 Clarno beds, iii, 210 

 Classification, geological, basis 



of, iii, 192 

 of rocks, i, 449 



new system of, i, 451 

 Clastic rock, i, 468 

 Clay, i, 468 

 Clay ironstone, i, 468 

 Claypole, E. W., cited, i, 549; ii. 



425 

 Clays, Champlain, iii, 403 

 Clayton formation, iii, 199 

 Clear Fork formation, ii, 623 

 Cleavage planes and erosion, i, 



125 

 development of (see Slate and 

 Schist) 

 Clements, T. M., cited, ii, 150, 



151, 180, 194 

 Clepsydrops, ii, 649 

 Cliff glacier, i, 256 

 Clifton limestone, iii, 552 

 Climacograptus bicornis, ii, 

 362 



