INDEX. 
695 
Steppe (low) of the Caucasus, 319. 
Sterlitamalc, carboniferous limestone at, 130. 
, singular subconical hills projecting from the sur- 
face near, 130. 
to Ufa, section of Permian strata only, 150. 
, outliers of carboniferous limestone near, 431. 
, section from Verch-Uralsk to, 454. 
, carboniferous outlier near, 461. 
Stigmaria ficoides, its appearance in the lower carboniferous 
beds, 77, 78, 79. 
found in the lower carboniferous sandstones 
of the Donetz coal-field, 93. 
Stilbite and Heulaudite present in the basaltic rock of Tchaitzin- 
niis, 415. 
St. Lawrence, gulf of, the marine shelly deposits there com- 
pared with those on the Dwina and Vaga, 330. 
Stolobna rivulet (above the Priksha), magnesian limestone (of 
the carboniferous system) at, 72. 
, fossils found near, 73. 
“ Stoss Scite,” or worn side of the rocks in Sweden always to 
the north, 545. 
Strajefski, Capt., bis explorations in the Ural, 339, 405. 
Strangways, the Hon. T. II. Fox, his early geological descriptions 
and maps of Russia (Preface). 
, his determination of the cry- 
stalline rocks of North Russia, 22. 
, his description of the strata 
around St. Petersburg, 25*. 
, liis notice of certain red beds 
near St. Petersburg, 32*. 
his description of the eroded sur- 
face of the sandstones underlying the steppe limestone, 300. 
, bis memoir on the geology of 
the lower steppes, and bis view of the desiccation of the 
Caspian, 315, 576. 
, his account of the drift near 
St. Petersburg, 512. 
his observations on the black 
earth of Russia, 561. 
, bis remarks on the subject of 
mud volcanoes, 576. 
Stratified igneous rocks of the North Ural and Katchlcanar, 363, 
392, 436, 462. 
granite, &c., examples of, 424, 436. 
Strelitamak. See Slerlilama/c. 
Strelna and Suchona rivers, vertical cliffs of, 1 78. 
Striated and scratched surfaces of rocks in Russia, Norway and 
Sweden, 530 ; in Scotland and England, 550. 
Striatiou and polish of rocks in Ireland, 541 et set}., 549. 
of rocks generally due to subaqueous action, 552. 
Strike, prevailing, of the rocks in tlic arctic Ural. 405. 
Stria', absence of, on the face of Mount Sabliii, 412. 
, direction of the rocks in Norway, 542. 
, normal direction of, in Sweden, excentric, 548. 
Strogonoff, zavod belonging to the family of, 125. 
Stromatopura concentrica, description of, 626. 
Strombodcs ? description of this genus of corals, 614. 
Structure, laminated, of granite at Stepnaya, 443. 
Structure of the Ural, general conclusions concerning the, 461. 
Struve, bis triangulation of Livonia and heights furnished by, 
21, 567. 
Strzelecki, M., his travels in Australia and work referred to, 6*. 
Stvr tertiarics on the banks of the, 285. See Eic/avald. 
Styria, tertiary oolites of, resembling those found in the south 
of Russia, 75, 294. . , , 
Submergeuce, ancient, of the districts now covered by the 
northern drift, 526. 
Succession of Silurian, Devonian and carboniferous strata jell 
explained in the northern provinces of Russia, do to 88. 
— of carboniferous strata in the south-eastern portion 
of the Donetz coal-field, 103, 122. 
Suchona, Permian limestones seen in the ascent of, trom Ustiug 
to Vologda, 177. 
Suchona, section of strata exhibited in the banks of, 178. 
Suda river, carboniferous limestone on ttie banks of, 73. 
Sudac in the Crimaea, fortress of, its walls built of stones con- 
taining recent sea shells, 576. 
Sugomac, Mount, South Ural viewed from, 425. 
Sulphur deposits near the baths of Sergiefsk and on the Sok, 
158. 
of Russia shown to be of the Permian period, 
159. 
Sulphur, its origin in Russian Permian rocks explained, 170. 
Sulphuretted hvdrogen, abundance of, on the banks of Sergiefsk, 
157. 
present also in the mineral waters of 
Nijny Sergitisk, 357. 
Sura river, Jurassic beds pass beneath the chalk at, 214. 
, concretions of impure argillaceous limestone (Jurassic) 
between this river and the Piana, 244. 
Suvoinov, Cape (Timan), formed of carboniferous limestone, 415. 
Sveti-nos, Cape (Timan), formed of carboniferous limestone, 415 . 
Sviaga, cliffs of white limestone (Permian) on the, 162. 
Sviask, white limestone (Permian) on the Sviaga near, 162. 
, section of cliffs near, 164. 
and Tcheboksar, tufaceous limestone between, 180. 
Sviatagora, on the Donetz, Jurassic rocks at, 250. 
Svir, river, headland of svenitie greenstone on the left bank of, 
23, 47. 
, trainee of northern blocks near the, 515. 
Swagba, on the Issetz, limestone and schist of (Devonian), 364. 
Sweden, Silurian rocks of, 15* et smj. 
, striation, drift and osar of, 543 el seq. 
, Skars or Skors of, described, 542 et seq. 
, probable formation and age of the Skars of, 556. 
Syenite and svenitie dykes of Vcrkhoturie on the Jura (Ural), 
395. 
Syenitic greenstone, headland of, 47 ; dykes near Karakuba, 92. 
rocks, distinction between these and granitic rocks, 442. 
passes into granite at Karagaisk, 413. 
Sylva, Bablca, &e., sections of Permian rocks near these rivers, 
142. 
Syringopora distant ( Uarrnndites distant of Fischer), descrip- 
tion of, 592. 
parallela, description of, 591 . 
Syrostan, near Minsk, granite penetrating mica schist at, 434. 
Syrtinskava (South Ural), carboniferous limestone between 
Kizilsk and, 445. 
Sysran (Lower Volga), Fusuliua limestone covered by Jurassic 
shale, 87, 246. 
, Jurassic rocks near, high position of, 245. 
and Volsk, on the Volga, ancient extension of the Caspian 
to, 325. 
Tabular list of all the Russian deposits. (See Map, Plate VI.) 
list of the fossils of the Permian system in Europe, 22 ! . 
“Taconic” (North American) system of Dr. Emmons referred 
to, 4*. 
Tagauai mountain (South Ural), account of metamorphie phe- 
nomena of, 427, 433 j sketch of, 428, 654. 
Taganrog (sea of Azof), miocene tertiaries of South Russia ex- 
tend to, 295. 
, section of the tertiary rocks in the cliffs of, 296, 299. 
, mammoth clay drift at, 502. 
, silting np of the sea of Azof near this port since the 
time of the Empress Catharine, 573. 
Taisclioffski zavod, fine section of magnesian limestone (Per- 
mian) exposed at, 160. 
Talc schists in the Ural mountains, 360 el seq. 
Talc schist, fossilifcrous beds passing into, on the Yegra-laga 
(Arctic Ural), 408. 
Talitza, near Ekaterinburg, greenstone at, 360. 
Tambof, Jurassic rocks in the government of, 243. 
Taman, cliffs of, referred to the steppe limestone, 301. 
, remains of a herbivorous Cetacean found at, 
302. (See Brandt.) 
