INDEX. 
565 
Table of the divisions of the Carboniferous 
and Devonian strata, 405. 
Table of the order of superposition of the 
Laurentian, Huronian, Silurian, and 
Devonian strata of Canada and the State 
of New York &c., compared with their 
British equivalents ; with lists of some 
characteristic fossils, 446. 
Table of the Upper Palaeozoic rocks in 
Europe, from the summit of the Silurian 
to the Permian inclusive, 405. 
Table showing the vertical range of the 
Silurian fossils of Britain, 507. 
Taconic schists, 353. 
Taconic system equivalent to the Quebec 
group, 436. 
Tanat river, district near the, 60. 
Tarannon shales and Denbighshire grits 
supported by the Caradoc or Bala for- 
mation, 102. 
Tarbet-Ness, Eoss-shire, 266. 
Tate, Mr. Gr., 402. 
Tchihatchef, M. Pierre de, 17, 345, 367, 
368, 398. 
Tchussovaya River (Ural Mountains), 366. 
Telerpeton Elginense, age of the rocks 
containing, 266. 
Tennant, Prof., 236, 456. 
Tentaculites anglicus, 68. 
Tertiary life, summary of, 484. 
Theca reversa, 51, 199. 
simplex, 48. 
triangularis, 199. 
vaginula, 51. 
Thecia Swindernana (Porites expatiata), 
219. 
Theobald, Mr., 18. 
Theories of slaty cleavage, 33. 
Theory of several glacial periods, 548. 
Thickness of the Cambrian and Silurian 
rocks of Britain, 184. 
Thompson, Mr., 427. 
Thomson, Prof. Wyville, 205. 
Thomson, Sir W., 499. 
Thornielee slates, 150, 153. 
Thuringia, Palaeozoic rocks of, 382. 
Thiiringerwald, Permian rocks of the, 314. 
Tilestones, 134. 
Timins, Rev. J. H., 93. 
Topley, Mr. W., 494. 
Tortworth, Upper Llandovery rocks of, 
100. 
Towy River, 55, 73. 
Tracks of Annelids from the Lower Si- 
lurian rocks, 201. 
Trematis punctata, 194. 
Trenton limestone, 427. 
Triassic age of the reptiliferous sandstones 
of Elgin and Ross, 267. 
Triger, M., 407, 409. 
Trilobites from the Caradoc formation, 
68, 69 ; Carboniferous Limestone, 299 ; 
Lingula-flags, 43-46 ; Llandeilo for- 
mation, 48, 51 ; Lower Silurian rocks 
of England, 204; of Ireland, 174; 
Lower Wenlock Limestone, 111 ; Pri- 
mordial zone (Lower Silurian) of Wales, 
203 ; Silurian rocks of Russia, 357 ; 
Upper Devonian, 279 ; Upper Llan- 
dovery rocks, 90 ; Upper Silurian rocks, 
234. 
Trinidad, Petroleum in, 445. 
Trinucleus concentricus(T. Caractaci), 204, 
205. 
concentricus, var., 51. 
fimbriatus, 51. 
Gibbsii, 51. 
Lloydii, 51. 
Murchisonii, 48. 
seticornis, 69. 
Troost, Mr., 427. 
Tryfan, 84. 
Turkey, Palaeozoic rocks of, 369, 398. 
Turner, Dr., 450. 
Turner, Mr., 94. 
Tyndall, Prof., 34. 
Tyn-y-Coed, 59. 
Tyrone, Silurian rocks of, 173, 183. 
Ullmannia selaginoides, 336. 
Unger, Prof., 269, 387- 
Ungulite-grit, 355. 
Uniformitarianism, 488. 
United States, Carboniferous rocks of the, 
431, 546 ; Devonian rocks of the, 430, 
546 ; Silurian rocks of the, 427, 546. 
Uplands (Southern) of Scotland, 149, 172. 
Upper Cambrian rocks, Lingulella in the, 
550 ; Caradoc (Llandovery) formation, 
85 ; Carboniferous rocks of England 
and Wales, 295 ; Devonian, fossils of 
the, 279 ; Devonian rocks of the Rhine, 
396. 
Upper Llandovery rocks, general order 
of the Upper Silurian rocks above the, 
106 ; in Radnorshire, Shropshire, Here- 
fordshire, the Malverns, &c, 88-98 ; to 
the inferior and superior deposits, rela- 
tions of the, 89; Ludlow rock, 131. 
Upper Silurian rocks, 105-144 ; fossils of 
the, 215-242 ; in Shropshire, relation of 
the Caradoc sandstone to the, 64 ; of 
Bohemia, 375 ; Cumberland and West- 
moreland, 147; Edinburghshire, 159; 
Lanarkshire, 160 ; Norway, 348 ; Rus- 
sia, 358 ; Sweden, 349. 
Upper Silurian, transition from Lower to, 
85. 
Ural Mountains, auriferous rocks of the, 
452 ; Carboniferous and Devonian rocks 
of the, 366 ; view of the Grurmaya Hills 
in the, 312. 
Utica slate, 428. 
Valdai Hills, section in the, 364. 
Valenciennes, M., 501. 
VaUet, M., 423. 
Vanuxem, Mr., 427. 
Vecchi, Sign., 422. 
Verneuil, M. de, 8, 17, 21, 42, 347, 352, 
