798 



INDEX. 



Switzerland, formations and 

 animals of the Post- 

 tertiary and age of 

 Man, 577. 

 lake-habitations in, 582. 

 Syenite, 7S.§ 

 Svnclinal, 105. ? 



valleys, 105, 722. 

 Syncoryna. 162.*? 

 Synedra Ulna, 631.* 

 Synthetic types, 396,? 203.? 

 See, further, Comprehen- 

 sive. 

 Syracuse salt-wells, 248. 

 Syringodendron, 356. 

 Syringopora Hismgeri, 270. 

 Maclurii, 273.* 

 obsoleta, 220* 

 Systems of mountain-eleva- 

 tions, American, of the 

 Laurentian, 142, 144, 

 147, 3S7. 

 of the Huronian, 142, 199. 

 of the Green Mountains, 



388, 391. 

 of the Appalachians, 403. 

 of the Mesozoic trap and 



sandstone, 438. 

 of the main mass of the 

 Rocky Mts., 503, 531. 

 Systems of mountain-eleva- 

 tion, European, of West- 

 moreland and the Huns- 

 druck, 229. 

 of the N. of England, 412. 

 of the Netherlands, or of 



Hainault, 412. 

 of the Rhine, 412. 

 of the Thuringian Forest, 



502. 

 of the C6te d'Or, 502. 

 of Monte Tiso, 503. 

 of the Pyrenees and Ju- 

 lian Alps, 533. 

 of the chain of Corsica,533. 

 of the Western Alps, 533. 

 of the Eastern or Princi- 

 pal Alps, 533. 

 Systemless animals, 597, 748. 



Tabellaria, 631 * 

 Tarconic i-ocks, 176. 

 Tseniaster spinosa, 212.* 

 Tahitian Islands, map of, 32* 

 Talc, 61.? 81.? 

 Talcose schist, 81.? 

 Talpa, 529.? 



Tancredia SVarreniana, 446.* 

 Tapir, 423.? 

 Tapirotherium, 529.? 

 Tapirus, 529.? 

 Taxinese, 337.? 

 Teleosaur, 316,? 452, 462. 

 Teleosaurs, Arctic, 736. 

 Teleosaurus Tiedmanni, 457.* 

 Telerpeton Elginense, 298.* 

 Teliosts, 278.?* 



the pure fish type, 599. 



first species of, 473. 



range of, in time, 572. 



in the Cretaceous, 473, 

 485* 



in the Tertiary, 526. 



Tellina calcarea, 552. 



Groenlandica, 552. 

 Temperature, causes deter- 

 mining, 45. 



of the globe, mean, 45. 



of the ocean, 42. 



See Climate. 

 Tennessee, faults in, 407. 



rocks of, 384. 



Azoic in, 137. 



Carboniferous in, 322. . 



Hamilton in, 282. 



Lower Silurian in, 228. 



Potsdam in, 175. 



Subcarboniferous in, 308. 



Tertiary in, 509. 



Trenton in, 206, 207. 

 Tentaculite limestone, 252. 

 Tentaculites, 259. 



ornatus, 253, 254* 255. 



scalaris, 275. 

 Teredo tibialis, 479. 

 Terebratella, 181.? 

 Terebratula, 181,*? 304, 399. 

 495. 



digona, 464. 



diphya, 465. 



elongata, 376. 



fimbria, 464. 



Harlani. 474,* 479. 



hastata, 318 * 



impressa, 150.* 



numismalis, 464. 



perovalis, 464. 



rimosa, 464. 



subtilita, 348* 



varians, 465. 



vitrea, 181* 



vulgaris, 435, 438. 



range of, in time, 453. 

 Terebratula? common in the 



Tertiary, 526. 

 Terebratulina", 181,*? 



caput serpentinus, 181.* 



plicata, 474,* 479. 

 Terebrirostra, 181.? 

 Termatosaurus, 438. 

 Termites, 358,? 420. 

 Terrace epoch in America,554. 



epoch, results of, to Ame- 

 rica, 557. 



epoch, relations to the 

 Age of Man, 554, 577. 



epoch in Europe, 558. 

 Terraces of rivers, lakes, and 

 sea-shores, 547, 554. 



in Great Britain, 558. 



formation of, 555.* 

 Terricola, 155.? 

 Tertiary period, 506. 



N. American, 506. 



N. American, map of, 

 530.* 



foreign, 522. 



geographical progress in. 

 568. 



and Post-tertiary, events 

 of, 568. 



and Post-tertiary, con- 

 trast in, 568. 

 Testudo in U. Missouri, 522. 



Atlas, 526. 



Culbertsonii, 519. 



Testudo hemispherica, 519. 



lata, 519. 



Oweni, 519. 

 Tetrabranchiates, 156^ 

 Tetradecapods, 153.?* 



first of. 375. 



range of, in time, 402. 

 Tetradium, 190.g 



fibrosum, 220* 

 Tetragonolepis, 4.5* 464. 

 Textilaria globulosa, 164,* 474 



Missouriensis. 474. 

 Texas, Carboniferous in, 324. 



Cretaceous in, 470. 



Potsdam in, 174. 



Subcarboniferous in, 306. 



Tertiary in, 500. 

 Teudopsis Scheibleri, 464. 

 Teutonic period, 583. 

 Thallogens, 165.? 

 Thanet sands, 522. 

 Theca gregarea, 187.* 



primordialis, 187. 

 Thecidea, first of, 453. 

 Thecidium, 184.? 

 Thecodonts, 346.? 



range of, in time, 572. 



first of, 374, 376. 

 Thecodontosaur, 346.? 

 Thecodontosaurus, Triassic, 



436. 

 Thenaropus heterodactylus, 



351. 

 Thermal springs, 411, 699, 710. 

 Thrissops, 279* 

 Thuringia, Permian in, 372. 

 Thvlacinus. 424 ? 

 Thylacoleo,'424.? 

 Thylacotherium Broderipii, 



453, 462 * 

 Tiaropsis, 148*§ 

 Tiburtine,. 85.? 

 Tides and tidal currents, 652. 

 Till, 74.? 

 Time, length of geological, 



590. 

 Time-ratios, Cenozoic, 568. 



Mesozoic, 493. 



Palaeozoic, 386. 

 Titanotherium beds, 515. 



Proutii, 515, 519 * 521. 

 Tivoli travertine beds, 201. 

 Toarcian group, 449. 

 Tongrian group, 523. 

 Topaz, 59.?* 



Topographical effects of ero- 

 sion, 680. 

 Tourmaline, 58.?* 

 Toxaster complanatus, 487. 



elegans, 474, 478. 

 Toxoceras, 473.? 



bituberculatus, 485.* 

 Tracks. See Footprints. 

 Trachelomonas levis, 630* 

 Trachyte, 87,? 88.? 

 Trap, 86.? 



at Lake Superior, 195, 

 199. 



distribution and forma- 

 tion of, 702. 



in Potsdam period, 174. 



minerals of Nova Scotia, 



