INDEX. 



825 



Synthetic types. See Compre- 

 hensive. 

 Syntrielasma hemiplicata, 341. 

 Syracuse, metamorphic rocks at, 

 233. 



salt-wells, 234. 

 Syria, Quaternary in, 533. 

 Syringophvllum organum, 207. 

 Syringopofa, 230, 240. 



bifureata, 247. 



Hisingeri, 256. 



Maclurii, 259,* 261. 



multattenuata, 341. 



obsoleta, 204.* 

 Syringoxylon mirabile, 271- 

 System of ocean-movements, 38. 

 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 Wabsatch Mts., 

 486. 

 Systems of mountain elevation, 

 European : 



of Westmoreland and the 

 Ilunsdruck, 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 Pyrenees 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, 

 525. 



Tabellaria, 634.* 

 Table of formations, 142.* 

 Tachylyte, 78. § 

 Taconic range, 213, 750. 



rocks, 163. 

 Tseniaster spinosa, 199,* 203. 

 Taggart, W. R., on life in hot 



springs, 612. 

 Tahitian Islands, map of, 31.* 

 Talc, 55,§ 728. 

 Talcoid slate, 69.§ 

 Talcose slate, 72. § 

 Talpa, 520-§ 

 Talus, 630. § 



angle of slope of, 630. 

 Tancredia Warreniana, 432,* 433. 

 Tangle-weed, 611. 

 Tapes, 508. 

 Tapir, 503,§* 506, 510, 516, 517, 



565, 567, 568. 

 Tapirus, 519. 



American us, 567. 



Arvemensis, 519. 



Haysii, 567. 



Indicus, 503.* 



priscus, 519. 



Tarrannon shales, 244. 

 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, 508. 

 Teleosaur, 338,§ 444, 449, 474, 



475, 476. 

 Teleosaurs, Arctic, 452. 

 Teleosaurus Chapmanni, 449. 

 Telerpeton Elginense, 427,* 



428.§ 

 Teliosts, 265, §* 442, 475, 484, 

 502, 510. 



culmination of, 598. 



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 nasuta, 200,* 203. 

 Telmatolestes, 510. 

 Temperate zone, 41. § 

 Temperature, causes determin- 

 ing, 43. 



limiting life, 609, 611. 



of the globe, mean, 44. 



of metamorphism, 726. 



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 Helderberg in, 237. 



Lower Silurian, 210. 



marbles of, 198. 



Niagara in, 221. 



Oneida in, 220. 



Potsdam in, 168, 181. 



Quaternary in, 528. 



Quebec in, 182, 184. 



rocks of, 379. 



Subcarboniferous in, 293, 294, 

 305. 



terraces in, 528, 548. 



Tertiary in, 491, 493. 



Trenton in, 196. 



zinc ores in, 186. 

 Tension in earth's crust, 743. 

 Tentaculifers, 439. 

 Tentaculite limestone, 237. 

 Tentaculites, 253. 



Anglicus, 208. 



irregularis, 239* 240. 



ornatus, 247. 



Oswegoensis, 206. 



scalaris, 261. 



tenuistriatus, 206. 

 Terebellum fusiforme, 519. 



sopita, 519. 

 Terebra, £08. 

 Terebratella, 170, § 173, 474. 



pectita, 476. 



Terebratula, 170,§ 173,385,433, 

 448, 474, 482, 488, 500. 



analysis of, 60. 



biplicata, 476. 



bovidens, 341. 



carnea, 476. 



caput-serpentis, 488. 



cornuta, 429. 



digona, 449. 



elongata, 373. 



family, 170. §* 



fimbria, 449. 



grandis, 519. 



grega.ria, 429. 



Harlani, 460,* 467, 469. 



hastata, 307,* 308. 



impressa, 119.* 



last of, 437. 



numismalis, 448. 



perovalis, 449. 



pyriformis, 429. 



range of, in time, 387.* 



rimosa, 448. 



sella, 475. 



striata, 488. 



vitrea, 171.* 



vulgaris, 428, 429. 

 Terebratulse common in the 



Tertiary, 515. 

 Terebratulina, 170,*§ 474. 



caput-serpentis, 171.* 



plicata, 460,* 467, 469. 

 Terebrirostra, 170. § 

 Teredo, 608. 



tibialis, 468. 

 Termatornis, 468. 

 Termatosaurus, 429. 

 Termes Heeri, 351. 

 Termination yu explained, 65. 

 Termites, 349, 608. 

 Terrace epoch. See Recent 



Period. 

 Terraces of rivers, lakes, and 

 sea-shores, 544,* 558. 



age of material of, 560. 



elevations of, 548. 



formation of. 644. 



in Great Britain, 555. 

 Terrain Tertiare, 513. 

 Terranes, 79, § 81. § 

 Terricola, 123.§ 

 Terrestrial life rarely fossilized, 



613. 

 Tertiary age, 139, 489.§ 



N. American, map of, 521.* 



divisions of, 512. 



proportion of modern species 

 in, 513. 



and Quaternary, contrast in, 

 586. 

 Testudo Culbertsonii, 510. 



hemisphserica, 510. 



lata, 510. 



Oweni, 510. 

 Tetrabranchs, 439, 483. 

 Tetradecapods, 122,§* 335. 



range of, in time, 388.* 

 Tetradium columnare, 202. 



fibrosum,202, 204.* 

 Tetragonolepis, 442.* 

 Tetrapterus priscus, 518. 

 Textularia, 208, 474. 



globulosa, 131,* 466. 



Missouriensis, 466. 

 Texas. Archaean in, 150. 



Carboniferous in, 291. 



Cretaceous in, 455, 456, 478. 



in the Cretaceous, 479. 



Potsdam in, 168. 



