880 



INDEX. 



Corsica range, elevation of, 525. 

 Corydalis Brongniarti, 351. 

 Corylus, 497. 



McQuarryi, 498. 

 Coryphodon, 503, 510, 516.§ 



Eocsenus, 518. 

 Coscinodiscus, 635.* 



apiculatus, 496* 



atmosphericus, 635.* 



gigas, 496.* 

 Cosmogony, 845. 

 Cotopaxi, 723. 

 Country-rock, 114, § 771. 

 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, 387.* 

 Crannoges, 576. 

 Crassatella, 475, 483, 508. 



alta, 499,* 508, 509. 



Mississippiensis, 509. 



sulcata, 519. 

 Craters, 722, 726.*§ 



See, further, Volcanoes. 

 Craw-fish, 608. 

 Crawfordsville crinoids, 303. 

 Creduer, IL, Marquette iron 

 region, 160. 



Appalachian Huronian, 160. 

 Creosaurus, 433. 

 Crepicephalus, 178, 190. 

 Crepidula costata, 495, 500* 

 510. 



fornicata, 561. 

 Cretaceous, N. American, map 

 of, 479.* 



period, 403, 543. § 



species, distribution of, 476. 

 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, § 338, § 371, 

 414, 433, 443, 450, 464, 484, 

 510, 598. 



range of, in time, 589.* 

 Crocodilus, 450, 501, 509. 



llastingsias, 519. 



macrorhynchus, 509. 



range of, in time, 589. 



Squankensis, 509. 



toliapicus, 518. 

 Croll, effects of eccentricity of 

 earth's orbit, 715. 



Gulf Stream, 712. 



Croll on glaciers, 696. 

 Crotalocrinus rugosus, 245, 



246* 247. 

 Cromer forest-bed, 559, 571. 

 Crust on rocks, 706. § 

 Crustaceans, 121, § 122, § 283, 

 383,§ 483, 592, 595, 608, 

 610, 611, 684. 

 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, 66. § 

 Cryptodon angulatum, 518. 

 Cryptogams, 133. § 



existing, 323. 

 Crystal kingdom, l.§ 

 Crystalline rocks, 62,§ 489. 

 characters of, 64. 

 formation of, 63, 756. 

 Crystallization, 627. § 

 a result of metamorphism, 



214, 400, 756, 757. 

 of rocks, 156, 214. 

 Crystallizations, alongside of 



dikes, 419. 

 Ctenacanthus, 275, 304, 351. 

 major, 308 * 

 vetustus, 274. 

 Ctenacodon, species of 852. 

 Ctenodonta Angela, 190. 



varicosa, 2u8. 

 Ctenodus, 282, 351. 

 Ctenoid?, 265. §* 

 Ctenoptychius, 343, 351. 

 Cucullaaa capax, 456. 

 Culmination of types, 386 * 



588, 597. 

 Cumberland Mts., faults in, 



398. 

 Cuneolina pavonia, 131,* 471,* 



474. 

 Cup-corals. See Cyathophyl- 



loids. 

 Cupressus, 450. 

 Curculioides Ansticii, 351. 

 Curculionids, 449. 

 Curculionites, 428. 

 Currents, atmospheric, 43. 

 Atlantic in the Quaternary, 



541. 

 Atlantic in the Cretaceous, 



451. 

 oceanic, 38 * 668, 670, 678. 

 oceanic, erosion by, 675. 

 tidal, 672, 675, 680, 684. 

 Curtis, J., on life in hot springs, 



612. 

 Cutch, recent changes of level 



in, 584. 

 Cuttle-fish, 124,§ 125, 483. 

 Cuvier on Tertiary Mammals, 



517. 

 Cyanite, 57,§ 762. 

 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. 



caespitosum, 284. 



helianthoides, 265. 



rugosum, 259,* 261. 



truncatum, 247. 

 Cybele, 208. 

 Cycadeoidea megalophylla, 



436.* 

 Cycads, 349. 408,§ 458,459,471, 

 597. 



a comprehensive type, 383, 



culmination of, 482. 



in Maryland beds, 459. 



range of, in time, 340.* 

 Cycas circinalis, 408.* 

 Cyclas rivularis, 550. 

 Cyclocardia borealis, 553. 

 Cyclocladia, 348. 

 Cycloids, 265.§* 

 Cyclonema, 203. 



bilix, 206. 



cancellatum, 224 * 22S. 



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. 



linnseifolia, 407 ,* 409. 



minor, 280.* 



obtusa, 279, 297. 



Rcemeriana, 283, 307. 



Bogersi, 278. 

 Cyclostigma minutum, 283. 



Kiltorkense, 283. 

 Cyclostoma lapidaria, 550. 

 Cylindrites acutus, 449. 

 Cymbella maculata, 635.* 

 Cymbophora Ashburnerii, 458. 

 Cynodon, 519. § 

 Cynodraco, 851. 

 Cyperites, 499. 

 Cyperus, 499. 

 Cyphaspis, 249. 

 Cypbosoma, 466, 474. 

 Cypraaa, 483, 500, 508. 



first of, 475, 477. 



Carolinensis, 500,* 511. 



Europasa, 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 



