INDEX. 



907 



Sub- frigid regions, 41. § 

 Submarine eruptions, i3l, 736 

 Subsi lence, causes of, 000. 



necessary for the formation 

 of a thick series of strata, 

 . 626. 



through the Paleozoic, 391, 

 783. 



of X. America during the 

 Drift epoch, evidence 

 agiiust, 534. 



in the Champlain period, 

 551. 



of Isthmus of Darien, 669, 

 713. 



of the Pacific indicated by 

 coral islands. 5S3. 



originating the depressions 

 of Lake Champlain, 215. 



modern. 583. 



rate of, in coraljslands, 625. 



of wide extent, 783. 

 Sub-temperate regions. 41. § 

 Subterranean waters, 663. 

 Sub-torrid regions, 41. § 

 Subulites. 203. 

 Suehosaurus, 450 



s, m Che Alps, 807, 821, 833. 

 Sue-Ionian group, 513. 

 Suffolk crag. 513. 

 Suillines. 504, 511. 

 Sula loxostvla, 511. 

 Sulphids of iron, decomposition 



of, 703. 

 Sulphur, 52. § 365. 



in coals. 3 17. 



springs 234, 26S, 705. 

 Sulphuric acid. 234, 705, 707. 



acid spring- 

 Sumter period, 490, 495. 

 Sun a source of heat, 714. 

 Superposition, order of, 103. 

 Surcula. 508. 

 Surface-forms of continents, 



23 § 

 Surface subdivisions. 15§ 

 Surgent series, 375. 

 Surirella craticuia, 634.* 

 Sus. 519, 520. 

 Swallows, 516 

 Swallow, G. C , on Rocks of 



Missouri, 183, 374. 378. 

 Swallow & Hawn on Permian, 



367 

 Sweden, recent change of level 

 in. 582 



Archaean in, 151. 157. 



Cretaceous in, 469. 



in the Quaternary, 555. 



iron-mines of. 154. 



Primordial in. 179. 



Quaternarv in, 532. 556 



Silurian in, 207. 245. 

 Swimming Saurian-, 339. § 

 Switzerland, Cretaceous in, 470. 



glacier regions of, 688. 



great glacier of, 533. 562. 



lake-dwellings in. 576. 



Quaternary in. 533. 



Tertbry in, 512. 



Triasaie in, 424. 

 Sword-fi-hes. 509. 

 Svcamore. 459. 

 Syenyte, 73. § 

 S.venytic gneiss, 73. § 



igneous rocks. 78. § 

 Symplocos, 515. 

 Synclinal. 95. §* 652 

 Synciinorium," 821. 



Syncoryna, 117.*§ 

 Svnedra ulna, 634.* 

 Synthetic types. See Compre- 

 hensive. 

 Syntrielasma hemiplicata, 341. 

 Syracuse, metamorphic rocks 

 at. 238. 

 salt-wells. 234. 

 Syria, Quaternary in, 533. 

 Syringophyllum organum, 207. 

 Syringopora, 230, 240. 

 bifurcata, 247. 

 Hisingeri, 256. 

 Maclurii, 259,* 261. 

 multatteuuata, 341. 

 obsoleta, 204* 

 Syringoxylon mirabile, 271. 

 Svstem of ocean-movements, 



33. 

 Systems of mountain-eleva- 

 tions. American : 

 of the Archaean, 155, 157, 159. 

 of the Lake Superior trap, 



185. 

 of the Appalachians, 395. 

 of the Cincinnati uplift, 212. 

 of the Coast Range, 524. 

 of the Green .Mountains, 212, 



395. 

 of the Gulf region, 523. 

 of the main mass of the 



Rocky .Mts., 523, 524. 

 of the Mesozoic trap and sand- 

 stone. 417. 

 of the Sierra Nevada, Hum- 

 boldt, and Wahsatch Mts., 

 486 

 Systems of mountain elevation, 

 European : 

 of Westmoreland and the 



Hunsdruck, 217. 

 of the N of England, 402. 

 of the Netherlands, or of 



Hainault, 402 

 of the Rhine, 402 

 of the Thuringian Forest, 



487 

 of the Cote d"Or, 487. 

 of the Pvrenees and Julian 



Alps 525. 

 of the chain of Corsica, 525. 

 of the Western Alps, 525. 

 of the Eastern or Principal 



Alps, 525 

 of 'Sicily. 525. 

 of the Hebrides and Antrim, 



Tabellaria, 634.* 

 Table Mountain, 741.* 

 Tachylyte, 79. § 

 Taconic range. 212, 215. 



rocks, 163, 195, 214, 835 

 Tamiaster spinos*, 199,* 203. 

 Taggirr. W. R., on life in hot 



springs, 612. 

 Tahitian Islands, map of, 31.* 

 Talc, 55. § 761 

 ' Talcoid slate, 69. § 

 Talcose slate, 75. § 

 Talpa. 520.$ 

 Talpavu- nitidus, 510. 

 Talus. 630.§ 

 Tancredia VTarreniana, 432,* 



433. 

 Tangle-weed, 611. 

 Tape-. 

 Tapir, 5 3.§* 506, 510, 516, 517, 



565, 567, 568. 



Tapinis, 519. 



Americanus, 567. 



Arvernensis, 519. 



llavsii, 567. 



Indicus, 503 * 



prise us, 519. 

 Tai-annon shales, 214. 

 Tarantula, 342. 



Taxodium, 497, 498, 514,515, 

 526. 



dubium, 514. 

 Taylor, R. C, section of Coal 



measures, 395* 

 Teeth, composition of, 613. 



enamel of, 61. 

 Tejon group, 457, 458, 491, SOS. 

 Teleosaur, 333, § 444, 449, 474, 



475, 476. 

 Teleosaurs, Arctic. 452. 

 Teleosaurus Chapmanni, 449. 

 Telerpeton Elgineuse, 427,* 



42S.§ 

 Teliosts, 265, §* 442, 475, 484, 

 502, 510 



culmination of, 593. 



first species of, 442 



in the Cretaceous, 462, 473.* 



in the Tertiary, 516 



range of, in time, 589.* 

 Tellina, 468, 475, 483, 508. 



congesta, 510. 



obliqua. 519 

 Tellinomya uasuta, 200,* 203. 

 Telmatolestes crassus, 510 

 Telmatotherium validus, 510 

 Temperature, causes determin- 

 ing, 43, 713. 



variatiors id, 734, 8-9. 



limiting life, 609, 611 



of the globe, mean, 44. 



of metamorphism, 757. 



of the ocean, 41. 



See Climate. 

 Temple of Jupiter Serapis, 



changes of level at, 584.* 

 Tennessee, Archaean in, 150. 



Calciferous in, 184. 



Carboniferous in, 291, 311, 

 320,321. 



Chazy in, 182, 185. 



Cincinnati in, 197. 



Clinton in, 221. 



Cretaceous in. 455, 456. 



faults in, 398, 400. 



Hamilton in, 267. 



in the Tertiary, 521. 



Lower Ilelderberg in, 237. 



Lower Silurian, 210. 



marbles of, 198. 



Niagara in, 221. 



Oneida in, 220. 



Potsdam in. 168, 181. 



Quaternary in. 528. 



Quebec in,' 132 184. 



rocks of. 370. 



Subcarboniferous in, 293, 

 294.3-'.-.. 



terraces in, 528, 548 



Tertiary in. 491,493. 



Trenton in, 196. 



zinc ores in, 186. 

 Tentaculifers.439. 

 Tentaoulite Limestone, 237. 

 Tentaculites. 253. 



Anglicus, 208. 



irregularis, 239* 240. 



ornatus, 247. 



Oswegoen-is, 206- 



scalaris, 261 



