696 
INDEX. 
Taman, cliffs of, identity of beds found there with those of 
Kamiusch Bnrun (Crimtea), 303. 
Tanalysk (South Ural), Jurassic beds at, 406. 
Tanglii-Daria (the ancient Orontes), its stream artificially de- 
flected, 577. 
Tamsa, on the Oka, fossils in the limestones of, 71). 
Taslikuturgan rivulet, near Miask, most of the large lumps of 
gold of the Ural on the ancient banks of this stream, 490. 
Tatar ova, on the Moskva, extensive quarries of Moscow mill- 
stone grit and siliceous grit at, 339. 
batch ilnoi Gora, near the Vitlanka river, fossiliferous siliceous 
grit ill the ridge of, 247. 
Tatra mountains (Poland), Carpathian sandstone of, 264. 
, identical in geological constitution with the 
Austrian Alps, 264, 656. 
Tchaitzin-mis (Timan range), eruptive rocks of, 415. 
Tchcboksar and Syiask, on the banks of the Volga, tufaceous 
limestone between, ISO. 
, on the Volga, section of Permian red marls at, 181. 
Tcheffkine, Lieut. -General, the cordial assistance afforded by 
him to the authors. (Preface et passim.) 
■ , his efforts in the coal-field of the 
Donetz, 1 02 et seq. 
— — — , his clear instructions to different 
zavods, 93, 1 10, 359. 
■ , fossils named after him. (See Nau- 
tilus Tcheffkini, vol. ii. p. 363.) 
Tcheketau, outlying subcorneal hill of carboniferous limestone 
near Sterlitamak, 130, 461 ; Permian beds of gvpsutn at, 
142. 
Tcherdinsk, on the Issetz, Devonian limestone at, 364. 
Tcheremcham river, near Sergiefsk, Lingula! found near Klev- 
lina in the valley of, 157- 
Tcliereintsal (west flank of the Ural), altered rocks at, 359. 
Tchihatclietf, M. Pierre de, his travels and important geological 
work on the Altai mountains, 6*. 
Tehistnpol to Bogoroslan, a line joining these places is the 
western limit, to the plant-bearing and cupriferous Permian 
grits, 156. 
Tchol anil Tolya (North Ural), Oxfordian beds on the banks of, 
230. 
Tchornozem or black earth of Russia, description of, 55 7 et seq. 
, analysis and rich soil of, 559. 
, probable aqueous origin of, 561, 563, 565. 
not the same as the loss of Germany, 562. 
, absence of marine or freshwater shells in, 564. 
, its occurrence on the banks of the Oka, 59. 
found near the higher limits of the Kalmiuss, 96. 
, its appearance at Biclgnrod, 268. 
found in the Southern Bashkir districts, 491. 
Tchudova, on the Kerist, Devonian limestones of scales of Glyp- 
tosteus reticulatus found in the ravines north of, 42. 
Tchnida (South Ural), the mineral structure of this range, 429. 
Tchussovaya river, carboniferous limestone on the hanks of the, 
125; flexures of its Devonian and carboniferous rocks, 
386, 388. 
, account of the descent of the, 384. (See 
sketch, 337, 653.) 
, picturesque scenery of the, 388. 
, crystalline rocks between Teheremtsal and, 359. 
, structure of the country between, and Serebriansk, 
383. 
, millstone grit of this river repeated in the Timan 
range, 415. (Orthography of Tchussovaya, 658.) 
Teeth and hones of fishes, microscopic examination of, by Pro- 
fessors Owen and Agassiz, 67, 635. 
Teploff, Major, his assistance to the authors, 110. 
Teplova, on the Tioslia, Permian limestones at, 164. 
Terebratula more abundant in Devonian than in lower strata, 
63. 
Terraces in valleys, their occurrence and explanation of, 550. 
* Terrain Oxfordien,’ or Oxford clay, &e., represents the whole 
oolitic and Jurassic series in Russia, 238. 
Tertiary deposits of Russia, 8*, 281 et seq. 
eocene rocks of Russia, general account of, 284. 
, list of fossils from Butschak, 
on the Dnieper, 286. 
of Antipofka, on the Volga, 
277, 288. 
resemble those of Bognor. 583. 
■ miocene rocks of Russia, salt deposits of Wieiiczka, 290. 
, shelly sands of the Upper Vis- 
tula of this period, 292. 
from the southern districts, 293. 
, oolitic rocks of this period, 294. 
, limestone of Taganrog, 295. 
Aralo-Caspian or steppe limestone, 297 et seq. 
deposits of the steppe of Astrakhan, 316. 
deposits of the low steppe of the Caucasus, 319. 
post-pliocene beds in North-Eastern Russia, 327. 
grits of Kaltchedansk (Siberia), 366. 
— of Verkhoturic (Siberia), 395. 
Thecodont sanrians, sanroid remains of the Russian Permian 
strata referred to, 155. 
Tiflis, Aralo-Caspian strata extend to, 298. 
Tilestone, its position at the top of the Silurian series, 1.3. 
represented by a calcareous hand at Oesel and Dago, 
35*. 
Timan range, position of (Preface), 21* 
, account of the geology of, 230, 340, 341 , 404, 412. 
, Silurian and Devonian rocks of, 413, 414. 
■ — — , carboniferous limestone and millstone grit of, 414. 
, eruptive rocks of the, 415. 
forms the eastern limit of erratic blocks, 521. 
Tioslia (see Teplova), Permian rocks on the banks of the, 164. 
Tismiinski, hummocks of micaceous rocks with ores of iron in 
the Ural-tau so called, 433. 
j Tol river (Arctic Ural), fossiliferous Jurassic beds at, 406. 
Tolks, on the Jemmbach (Esthouia), inflammable bituminous 
schist with Silurian limestones at, 34. 
Tolya and Tchol, rivers in the North Ural, Oxfordian beds on 
the hanks of the, 230. 
Toretz (south of Bachmuth), coal extracted from the banks of 
the, 104. 
• , probability of coal on the east hank of the, 118. 
Torrents, the rush of, formerly supposed by other authors to 
have scratched and polished rocks, view modified, 535. 
Tosna river, near St. Petersburg, position of Ungulite grit on 
the, 27*. 
, section of Silurian rocks near Nikolskaya on this river, 
29*. 
— , fossiliferous beds on the banks of, 29. 
Totma, salt springs in the red deposits of, 1 78. 
1 Trainees,’ distribution of erratic blocks in this form near St. 
Petersburg, 512 ; at other places, 526 et passim. 
Transition from cretaceous to tertiary rocks may possibly be 
found in Russia, 277, 289. 
Trees, silicified, found in the sands round Ustiug, 177. 
Triassic rocks, absence of, in Russia, 8, 256. 
, always conformable to the Permian rocks in 
Europe, 204. 
Trigonia clavellata found in shelly Jurassic beds at Kamenka 
on the Donetz, 25 1 ; near Moscow and J elatma (see vol. ii.). 
Trilobites, M. Emmerich’s and M. Burmeister’s work on. 4. 
, these fossils abundant in the Silurian rocks of Norway 
and Sweden, 12 to 19*. 
, abundance and general character of, in the Silurian 
strata of Russia, 37. 
, rarity of in Devonian and carboniferous systems, 
134. 
.absence of, in the Permian system, 212. 
Troitsk (Kirghis steppes), description of, and account of the 
geology in the neighbourhood, 442. 
Troitsk (Bielebei), fossil sauroid remains found near, 155. 
Troitskoi, on the Moskva, siliceous grit with fossils at, 240. 
Troost, Dr., his account of the geology of Tennessee, 4*. 
