IXDEX. 



'61 



Teazes Valley, 309, 379 et seq., 604. 



Temperature, of the southern hemisphere 

 lower than that of the northern. 475: of 

 the interior of South America, 47S: of 

 northeast Siberia, 478; not altogether 

 dependent on the heat from the sun, 

 477; variations of, in different latitudes 

 not understood, 479 ; causes affecting, 480. 



Tennessee, conglomerates in, 4S7. 



Terminal moraines, 251 ; conditions favor- 

 ing the formation of, 135, 203; char- 

 acteristics of, 142: on Nantucket and 

 Martha's Vineyard, 137, 203; on the Eliza- 

 beth Islands, 137, 203; in Plymouth 

 county, Mass., 139; in Long Island, 140, 

 204; in New Jersey, 142, 151, 206; in east- 

 ern Pennsylvania, 144 et seq., 206; on 

 Pocono Mountain, 146: in Valley of Fish- 

 ing Creek. 14S: in valley of Conewango 

 Creek, 150; in Ohio, 168 et seq., 207 et seq.; 

 in Dakota, 174; in Washington State, 

 180; in Wisconsin, 211; south of 

 Maine, 195: south of New England, 203; 

 In central New York, 206; in Ammonoo- 

 suc Valley, 221; in Great Britain, 448 

 et seq.: in Germany, 447, 456; compared 

 with those of America, 456 et seq.; lobate 

 contour of, 132, 207, 528, 530, 661. 



Terraces, glacial, on the Conewango, Ohio, 

 150: at Lewiston, Pa., 155; on the Mo- 

 hawk. 319; on the St. Croix, 319; on the 

 Wabash, 319: on the Mississippi, 315, 

 415, 557, 654; on the Ohio and its tribu- 

 taries, 323, 370 et seq.; in western Penn- 

 sylvania, 371; on Brush Creek, Ohio, 

 372; at Bellevue, Pa., 375, 384; near Mor- 

 gantown. W. Va., 377 et seq., 603; at 

 Clarksburg and Weston, W. Va., 378; at 

 McKeesport, Pa., 379; in Teazes Valley, 

 W. Va., 379 et seq., 604; on the Big Sandy, 

 W. Va., 3S2; and Guyandotte, 3S2: on 

 Lake Agassiz, 500, 655, 664; on the Min- 

 nesota, 55S; on the White, Ind., 601; on 

 Raccoon Creek, Ohio, 603 ;on the Somme, 

 France, 623. 624: in southern England, 

 624, 625: on the Delaware, 633 et seq., on 

 the Little Miami, 645. 



Tertiary era, absence of Glacial epochs 

 during the, 515, 518. 



Thames River, 447, 449. 



Thibet, Quaternary uplift of, 510, 513. 



Thompson, Mr. Gilbert, on the glaciers of 

 Mount Shasta, 15. 



Thomson, Sir William, 497. 



Thornville, Ohio, 169. 



Three Sisters. 19. 



Tldioute, Pa.. 307. 



Tierra del Fuego, 109, 110. 



Tight, Professor, on Kanawha drainage, 

 309; on Middle Ohio drainage, 309. 



Till, defined, 123, 129 et seq.: depth of, 257, 

 et seq.; British Columbia, 1S5; in Minne- 

 sota, 213, 258, 555. 6^5, 007; in Canada, 

 25S; in Indiana, 257, 601. 602: in Illinois., 

 257; in Ohio, 257, 25S, 592. 593, 599, 600; 

 in Xew England. 259: in Pennsylvania, 

 259, 260, 604; in Europe, 260; average in 

 North America, 2S0. 



Tioga county, Pa., 195. 



Titus ville, Pa., 326. 



Todd, Professor J. E., on glacial dams 

 across the Kansas and Platte River, 

 172; on Coteau des Prairies, 214; Missouri 

 coteau, 215, 217; on glacial drainage, 332. 



Tonawanda Creek, 542. 



Topeka, Kan., 172. 



Toronto, Can., 584, 585, 586. 



Torsukatak Glacier, 78. 



Towson, Mr., 117, 118. 



Trade-winds, motions of, in the Atlantic, 

 470; relations to the Gulf Stream, 472; 

 cause of the predominance of the south- 

 east, 473 et seq. 



Transportation by subglacial streams. 135, 

 136, 254 et seq.; in Alaska, 67, 68, 136: in 

 Greenland, 82, 256; in the Alps, 254, 255. 



Transportation of bowlders, 236 et seq.; in 

 Alaska, 45; direction of, 196, 240 et seq.; 

 in Europe, 236; in New England, 237 

 et seq. ; in New Jersey, 241 ; in Pennsyl- 

 vania, 241; in Ohio, 242; in Indiana and 

 Illinois, 243; beyond the Missouri River, 

 243 et seq.; in British America, 176. 244 

 et seq. ; on northeastern Mackenzie River, 

 245; upward, 246 et seq.; in Scotland, 4S4; 

 in Africa, 485; in India, 485. 



Transportation of till, 257 et seq.; in Ohio, 

 257; in the Red River region, 258; in New 

 England, 259; in Pennsylvania, 259; in 

 Europe, 260. 



Transporting power of rivers, 638. 



Trenton, N. J., 329; palaeolithic imple- 

 ments at, 541, 619, 620, 625 et seg.,645, 

 671. 



Trenton gravel, 631-633, 637 et seq., 671. 



Tschernyschev, Professor, 586. 



Tuckernuck Island, 137. 



Tundra in Alaska, 36, 37. 



Tuolumne county, Cal., 13, 180, 689 et seq. 



Tuscarawas River, Ohio, 301, 310, 326. 



Two glacial epochs, 575 et seq., 607 et ,>",.. 

 669. 



Tyndall, Professor John, measurements 

 of glaciers, 2, 3, 41, 81. 



