804 



INDEX. 



Glyptocrinus, 189. 



basalis, 207. 



decadactylus, 204.* 

 Glyptodon, 570. 



clavipes, 570.* 

 Glyptolepis, 283, 286. 

 Glyptosaurus princeps, 510. 

 Gljptostrobus, 497. 

 Gneiss, 49, 68,§ 237, 729. 

 Goat, 564, 571, 577. 

 Gold : bearing veins, 734. 

 Gold-quartz, age of, 453. 



in Cretaceous, 458. 

 Gomphoceras, 229. 



turbiniforme, 274. 

 Gomphonema gracile, 634.* 

 Goniatite limestone, 294. 

 Goniatites, 272, § 278, 284, 288, 

 300, 303, 332, 371, 409, 429, 

 484. 



compactus, 342. 



Haidingeri, 416. 



levidorsatus, 416. 



Marcellensis, 273,* 274. 



parvus, 342. 



politus, 342. 



punctatus, 274. 



retrorsus, 285* 



uniangularis, 274. 



first of, 272, 284. 



range of, in time, 385, 387.* 

 Goniobasis, 508. 

 Gonioceras, 203. § 



anceps, 203. 

 Goniopholis, 449, 450. 



crassidens, 450. 

 Goniopteris, 348. 

 Gonoplax, 611. 

 Gorgonia, 117,* 130, § 620. 

 Gothic Mt., 718.* 

 Gothland. See Scandinavia. 



Niagara in, 245. 

 Graculavus, 468. 

 Graculus Idahensis, 511. 

 Grahaniite, 315. 

 Grammatophora marina, 134,* 

 496.* 



bisulcata, 273* 274. 

 Grammysia, 284. 



cingulata, 245, 246,* 247, 250. 



Hamiltonensis, 273,* 274. 



triangulata, 250. 

 Grammostomum phvllodes, 



131,* 466. 

 Grand Gulf group, 494, 522. 

 Granyte, 49, 67, § 76,§ 628, 645, 



728, 729, 730. 

 Granyte-porphyry, 71. § 

 Granytic rocks, 63. § 



veins, 110. §* 

 Granytoid rocks, 64. § 

 Granular limestone, 75, § 729. 



rocks, 64, § 

 Granulyte, 68,§ 76.§ 

 Graphic granyte, 68. § 

 Graphite, 59. § 



iu Arctuean, 152, 157. 

 Grapsus, 475. 



Graptolites, 130,§ 175, 187, 189, 

 199, 249, 252, 384. 



earliest of, 168. 



range of, in time, 384, 386. 

 Graptolithus amplexicaulis, 

 199,* 202. 



Clintonensis, 224,* 228. 



Logani,187,*190. 



priodon, 247. 



pristis, 204.* 

 Graptolitic slates, 164. 



Grass, protection by, 606. 

 Grauliegende, 369. 

 Gravel, 66,§ 758. 

 Gravitation, effects of, 630. 

 Gray, A., Tertiary climate, 526. 



migration of plants, 532. 



Sequoia, 582. 

 Gray band, 79, 220. 

 Gray rabbit, 568. 

 Great Basin, 16. 

 Great Britain. See England. 

 Great Lakes, location of, 394. 



in the Quaternary, 541, 552, 

 553. 



tides in, 634. 

 Great Oolyte, 435. 

 Great Salt Lake, 16, 23, 561. 

 Green-earth, 58. § 

 Greenland, Cretaceous in, 470. 



fiords in, 534. 



glaciers of, 533, 675. 



recent changes of level in, 

 583. 



Tertiary in, 513, 514. 

 Green Mountains, age of, 215, 

 750, 754. 



Chazy in, 182, 185. 



Cincinnati in, 195, 196. 



heights in, 195- 



in Lower Silurian, 211. 



island in Oriskanv, 244. 



in Paleozoic, 355, 389, 390, 392. 



Quebec in, 182. 



revolution, 212. 

 Green River, Tertiary on, 493, 



494. 

 Green River shales, 494. 

 Green-sand, composition of, 58, 

 455, 458. 



Cretaceous, 455, 458, 469. 



Lower Silurian, 168, 177, 208. 



Ruizopodsin, 177,208. 



Tertiary, 493. 

 Gregory & Walker, analyses of 



coprolites, 61. 

 Gres bigarre, 424. 



de Beauchamp, 513. 



de Fontainebleau, 513. 



des Vosges. 402. 

 Griffithides, 308. 



range of, in time, 388.* 

 Grindstone grit, 65. § 

 Grit, 65,§ 645. 

 Grobkalk, 512. 

 Groovings. See Scratches. 

 Ground-pine. 133,§ 598. 

 Grouse, 573. 



Groves, protection bv, 607. 

 Growth of the continent, 250 



286. 

 Grus Haydeni, 511. 



proavus, 56 s . 

 Gryllacris lithanthraca, 351. 

 Gryllus, 449. 

 Gryphsea, 4&3, 460, 475. 



convexa, 456. 



cymbium, 448. 



dilatata, 438,* 449. 



gigantea, 448. 



incurva, 435, 438* 448. 



lateralis. 468. 469, 477. 



mutabilis, 456. 



Piteherii, 456 * 461,* 467, 468. 



vesicularis, 433, 461,* 467, 

 468, 469, 476, 477. 



vesiculosa, 476. 



Vomer, 468. 



first of, 433, 438. 

 Gryphite limestone, 435. 



Guadaloupe, skeletons of, 579, 



580.* 

 Guano, 60. § 

 Guelph formation, or Gait, 164, 



221. 

 Guillemot, 503. 

 Gulf-border region, 401, 431, 



454, 490, 523. 

 Gulf of Mexico, in the Creta- 

 ceous, 479.* 



in the Tertiary, 521,* 523. 



in the Permian, 368. 



tide in, 67U. 

 Gulf Stream, 40, 208, 452, 481, 

 541, 572, 668, 659, 665, 666, 

 755. 

 Gulielmites, 371. § 

 Guttenstein beds, 425. 

 Guttulina, 208. 

 Guyot, A., Africa, 27. 



American forests, 44, 394. 



Cosmogony, 766. 



Great Swiss Glacier, 533. 



South America, 25. 

 Gymnocopa, 123. § 

 Gymnosperms, 133. § 

 Gypseous group of Montmartre, 



513. 

 Gypsum, 55, §* 75, § 222, 627, 

 630, 696. 



in the Salina, 233, 234. 



mode of formation of, 234. 



formed on coral islands, 235. 

 Gyracanthus, 304, 351. 

 Gyroceras Burlingtonense, 303. 



constrictum, 274. 

 Gyrodes, 457. 



depressa, 508. 

 Gyrodus, 475. 



umbilicus, 264.* 

 Gyrolepis, 428. 



tenuistriata, 429. 

 Gyromyces ammonis, 342. 



Haddock bones, analysis of, 60. 

 Hadrosaurus, 338,§ 464. 



agilis, 467. 



Foulkii, 467. 



minor, 467. 

 Hague, J. D., on effects of 

 oceanic currents, 669.* 



on formation of gypsum on a 

 coral island, 235. 

 Hairy elephant, 577.* 

 Halicalyptra fimbriata, 132.* 

 Halitherium, 520. § 

 Hall, J., Carboniferous uncon- 

 formable with lower beds, 

 309. 



Clinton, 231. 



Devonian, 241. 



Graptolites, 187, 190. 



Lake Superior sandstone, 193. 



mountain-making, 748. 



Niagara retrocession, 590. 



Oriskany, 241. 



Palasotrochis, 160. 



Primordial, 168. 



Subcarboniferous geography, 

 305. 



thickness of Paleozoic, 380. 

 Halobia dubia, 416. 



Lommeli, 429. 

 Halonia, 348. 



pulchella, 324* 329. 

 Halvsites, 202, 225, 238, 240, 

 '249, 252, 288. 



catenulata, 206, 207, 208, 221, 

 225,* 229, 230, 247, 248,249. 



