798 



INDEX. 



Coryphodon, 516. § 



Eocasnus, 518. 

 Coscinodiscus, 634* 



apieulatus, 496.* 



atmosphericus, 634.* 



gigas, 496.* 

 Cosmogony, 765. 

 Cotopaxi, 703. 

 Country -rock, 114. § 

 Cox, E. T., analyses of coal, 



316. 

 Crab, 120* 122, § 500, 592, 593, 

 611. 



first, 441, 483. 

 Crag of England, 513. 

 Crane, 511, 516. 



Crania, 173,§* 174, 200, 385, 

 448, 474. 



antiqua, 173.* 



divaricata, 207. * 



range of, in time, 3S7-* 

 Crannoges, 576. 

 Crassatella, 475, 483, 508. 



alta, 499 * 508, 509. 



Mississippiensis, 509. 



sulcata, 519. 

 Craters, 702, 706.*§ 



See, further, Volcanoes. 

 Craw-tish, 608. 

 Crawfordsville crinoids, 303. 

 Creation unexplained, 758. 

 Credner, 11., Marquette iron 

 region, 160. 



Appalachian Huronian, 160. 

 Crepicephalus, 178, 190. 

 Crepidula costata, 495, 500,* 

 510. 



foraicata, 561. 

 Cretaceous, N. American, map 

 of, 479.* 



period, 403, 453.§ 



species, distribution of, 476. 

 Crevasse, 678, 682.§ 

 Crickets, 450. 

 Cricodus, 264.* 

 Cricopora, 474. 

 Crinideans, 128. § 



number in L. Silurian, 203. 



range of, in time, 386.* 

 Crinoidal period, 297. 

 Crinoids, 117 * 128,§ 225, 249, 

 297, 332, 341, 382,§ 482, 

 595, 597, 611. 



a comprehensive type, 597- 



first, 175- 



Primordial, 177. 

 Crioceras, 462. § 



Duvalii, 473,* 475, 476. 

 Cristellaria rotulata, 466, 476. 

 Criteria of rank, 592. 

 Crocodiles, 509, 510, 516, 520. 



first of, 433. 



Tertiary, 502. 

 Crocodilians, 121,5 338,§ 371, 

 433, 443, 444, 450, 464, 484, 

 510, 598. 



range of, in time, 589.* 

 Crocodilus, 450, 509. 



Hastingsise, 519. 



maerorhynchus, 509. 



range of, io time, 589. 



Squankensis, 509. 



toliapicus, 518. 

 Croll, effects of eccentricity of 

 earth's orbit, 698. 



Gulf Stream, 755. 

 Crotalocrinus rugosus, 245, 



246 * 247. 

 Cromer forest-bed, 556, 571. 



Crust on rocks, 691. § 

 Crustaceans 121, § 122,§ 283, 

 383,§ 483, 592, 595, 608, 

 610, 611, 671. 

 culmination of, 598. 

 number of Silurian, 249. 

 range of, in time, 387.* 

 rank of earliest, 253. 

 Crustacean tracks of Triassic, 

 411.* 

 of Potsdam, 169, 176.* 

 of Subcarboniferous, 304. 

 Cruziana bilobata, 225.* 

 Crypheus, 174. § 

 Cryptacanthia compacta, 341. 

 Cryptoceras, 203. § 

 Cryptoceras undatum, 201,* 



203. 

 Cryptocrystalline, 64. § 

 Cryptodon angulatum, 518. 

 Cryptogams, 133. § 



existing, 323. 

 Crystal kingdom, l.§ 

 Crystalline rocks, 62, § 489. 

 characters of, 64. 

 formation of, 63, 706. 

 Crystallization, 627, § 760. 

 a result of metamorphism , 



214, 400, 726. 

 of rocks, 156, 214. 

 Crystallizations, alongside of 



dikes, 419. 

 Crystals, 627 § 

 Ctenacanthus, 275, 304, 351. 

 major, 308.* 

 vetustus, 274. 

 Ctenodouta Angela, 190. 



varicosa, 208. 

 Ctenodus, 282, 351. 

 Ctenoids, 265. §* 

 Ctenoptychius, 343, 351. 

 Cucullsea capax, 456. 

 Culmination of types, 386 * 588, 



597. 

 Cumberland Mts. , faults in, 398. 

 Cuneolina pavonia, 131,* 471,* 



474. 

 Cup-corals. See Ctathophtl- 



loids. 

 Cupressus, 450. 

 Curculioides Ansticii, 351. 

 Curculionids, 449. 

 Curculionites, 428. 

 Currents, atmospheric, 43. 

 Atlantic in the Quaternary, 



541. 

 Atlantic iu the Cretaceous, 



451. 

 oceanic, 38 * 658, 661, 665, 



754. 

 oceanic, erosion by, 663. 

 tidal, 660, 665, 668. 

 Curtis, J., on life in hot springs, 



612. 

 Cutch, recent changes of level 



iu, 584. 

 Cuttle-fish, 124,§ 125, 483. 

 Cuvier on Tertiary Mammals, 



517. 

 Cyanite, 57,§ 728. 

 Cyathaxonia Siluriensis, 247. 

 Cyathea compta, 325,* 330. 

 Cyathina, 474. 



Bowerbankii, 476. 

 Cyathocrinus, 372, 303, 341. 

 Cyathophylloids, 225, 249, 252, 

 255,259,283,371,482. 

 range of, in time, 385, 386.* 

 last of, 371. 



Cyathophyllum, 206, 230. 



csespitosum, 284. 



helianthoides, 265. 



rugosum, 259,* 261. 



truncatum, 247. 

 Cybele, 208. 

 Cycadeoidea megalophylla, 



436.* 

 Cycads, 349, 408,§ 458, 459/471, 

 597. 



a comprehensive type, 383, 

 597. 



culmination of, 482. 



in Maryland beds, 459. 



range of, in time, 140.* 

 Cycas circinalis, 408.* 

 Cyclas rivularis, 548. 

 Cyclocardia borealis, 551. 

 Cyclocladia, 348. 

 Cycloids, 265. §* 

 Cyclonema, 203. 



bilix, 206. 



cancellatum, 224 * 228. 



quadristriatum, 247. 

 Cyclophthalmus senior, 350,* 



351. 

 Cyclops group, 122. §* 



range of, in time, 388*. 

 Cyclopoid Crustaceans, 249. 

 Cyclopteris, 348, 433. 



Acadica, 297. 



Bockschii, 297. 



Brownii, 278. 



elegans, 327,* 330. 



Gilboensis, 277. 



Halliana, 278. 



Hibernica, 283. 



Jacksoni, 269,* 271, 278. 



linoasifolia, 407,* 409. 



minor, 280.* 



obtusa, 279, 297. 



Roemeriana, 283, 307. 



Rogersi, 278. 

 Cyclostigma minutum, 283. 



Kiltorkense, 283. 

 Cyclostoma lapidaria, 548. 

 Cylindrites acutus, 449. 

 Cymbella maculata, 634.* 

 Cymbophora Ashburnerii, 458. 

 Cynodon, 519. § 



Parisiensis, 519. 

 Cyperites, 499. 

 Cyperus, 499. 

 Cyphaspis, 249. 

 Cyphosoma. 466. 474. 

 Cyprsea, 483, 5i;0, 508. 



first of, 475, 477. 



Carolineusis, 500,* 511. 



Europaea, 519. 



fenestralis, 509. 



lintea, 509. 



pediculus, 511. 



spheroides, 509. 

 Cypress, 526. 



Cypricardia angusta, 281.* 

 Cypricardina Indianensis, 303. 

 Cypridina serrato-striata, 285.* 



slates, 282, 285. 

 Cyprimera isonema, 508. 

 Cyprina, 475. 



arenaria, 468. 



Islandica, 519. 



Morrisii, 518. 



rustica, 519. 

 Cypris, 122§, 450. 



in Triassic, 416. 

 Cyrena, 450, 508. 



arenaria, 468. 



Carltoni, 508. 



