INDEX 



555 



Cephalopoda, Cambrian, 374 ; Carbonif- 

 erous, 425 ; Cretaceous, 488 ; Devo- 

 nian, 402; Jurassic, 466; Mesozoic, 

 442; Ordovician, 382; Permian, 434; 

 Silurian, 393 ; Triassic, 452. 

 Ceratites, 452. 

 Ceratodus, 435, 453, 467. 

 Cerithium, 452. 

 Cetiosaurus, 471, 491. 



ChcBtetes, 425. 



Chain, mountain, 333. 



Chaix Hills, 533. 



Chalcedony, 15, deposition of, 130. 



Chalk, 2i2f, 213*. 



Chalybeate springs, 130. 



Chamberlin, T. C, 526, 529. 



Champlain stage, 533. 



Changes, climatic, geographical, how- 

 proven, 352, 353 ; of level, 64; of tem- 

 perature, effect upon rocks, 85. 



Charleston Mountains, 337*. 



Chattahoochee stage, 496, Siif. 



Chazy stage, 375, 376^ 



Cheirodus, 426. 



Cheir other iiim, 453. 



Chemical deposits, 127 ; lacustrine, I48f, 

 I49t; marine, i74f. 



Chemical precipitates, 208. 



Chemung epoch, 355 ; series, 394, 396. 



Chert, i6f, 210, 214. 



Chesapeake stage, 496, 5iif. 



Chester stage, 409. 



Chestnuts, fossil, 486. 



Chico series, 475, 483^ 



Chimseroids, 467. 



China clay, 207. 



China, Liassic coal of, 460 ; loess of, 125. 



Chipola stage, 496, 51 if. 



Chlorite, 2if, 90. 



Chlorite schist, 298. 



Chonetes, 402, 419*, 425. 



Choristoceras, 452. 



Chronology, geological, 221, 347, 349. 



Cidaris, 424, 487. 



Cincinnati anticline, 378, 410 ; stage, 375. 



Cinnabar, 130. 



Cinnamomum, 487*. 



Cirripedia, 381. 



Civet cats, 508, 522. 



Cladoselache, 404*. 



Claiborne stage, 496. 



of. 3! 



Clark, W. B., 532. 



Clathropteris, 449, 451*. 



Clay, 204f, 207f; red, 180. 



Clear Fork beds, 428, 43of. 



Cleavage, of minerals, 13 ; of rocks, 260, 

 261* 334; cause of, 261. 



Clidastes, 490*. 



Climate, Carboniferous, 421 ; Cenozoic 

 494; Eocene, 506; Jurassic, 461 ; Meso- 

 zoic, 443; Miocene, 517; Oligocene 

 509 ; Palaeozoic, 368 ; Pleistocene, 525 ; 

 Pliocene, 522 ; Triassic, 447. 



Climatic changes, evidences 

 zones, Jurassic, 461. 



Clinometer, 232*. 



Clinton stage, 385, 386f. 



Closed folds, 237*, 239*. 



Club mosses, Palaeozoic, 367. 



Clymenia, 403. 



Coal, 215 ; Cretaceous, 477, 479 

 Liassic, 460 ; origin of, 413 ; 



444. 447. 448. 



Coal fields of North America, 414. 



Coal Measures, 409, 412 ; False, 411 



Coast ice, 115 ; deposits by, 159. 



Coast line, changes of, 65f, 305. 



Coast Range, 332 ; origin of, 459 ; 

 heaval of, 459. 



Coccosteus, 405, 406*. 



Cochloceras, 452. 



Cod, fossil, 490. 



Ccelacci7ithus , 426. 



Ccelenterata, Cambrian, 371; Carbonif- 

 erous, 422; Cretaceous, 487; Devo- 

 nian, 400; Jurassic, 463 ; Ordovician, 

 379; Permian, 432; Silurian, 389 ; Tri- 

 assic, 450. 



Coleoptera, 465. 



Colorado River, Grand Canon of, 100. 



Colorado Island, 415, 430, 445, 458. 



Colorado stage, 475, 48 if. 



Colouring of rocks, 25. 



Columbian formation, 532. 



Colnmnaria, 380. 



Columnar joints, 262. 



Comanche series, 475, 476!. 



Comatula, 464. 



Como stage, 475, 477^ 



Compact texture, 190. 



Complex, basal or basement, 358. 



Compound faults, 247. 



.81-485; 

 Diassic, 



up- 



