680 
INDEX. 
r shma or Ijema (Tinian), Jurassic shales surmounting carboni- 
ferous rocks on the, 415, 417. . 
Isliora (St. Petersburg), Ungulitc grit (Silurian) at, -7 . 
, fine white (Silurian) sanil ot. -7 . 
Devonian beds on the, 32*. . 
Isolated patches, the character of the secondary rocks of Russia, 
229. 
Issetz river (east of Ekaterinburg), section and sketch of, 362. 
1 , fossil mammalian bones found iu the tributaries 
of, 494. 
Istok (Siberia), Silurian rocks on the banks of the, 364. 
Isvorin (Donetz), sequence of carboniferous rocks at, 103. 
Isvosk on the Volkof, superposition of Lower Silurian limestone 
to bituminous schist, 29*. 
Itaeolwuite, presence of, at Verchny Barantcliinsk (North Ural), 
381. 
, schist resembling this rock, probable matrix of the 
diamonds in the Ural, 481 . 
Itslialki, fossiliferous Permian limestones at, 165, 166. 
Ivanitzki, Capt., his memoirs on and geological map of the 
country of the Donetz, 92, 99, 102, 104, 115. 
Ivanofka (Donetz), carboniferous limestone of, 99. 
Ivanofsk (Orel), sandy beds containing fishes found there, •>/. 
Izium on the Donetz, Jurassic rocks discovered by Major 
Bliide near, 249. . 
, important Jurassic and cretaceous section at, 232. 
, section showing cretaceous series at, 267. 
Jabrim (Yabrim) near Biclef, Devonian rocks andfossils of, 58. 
Jasikoff, M. (Yasikoff), his collection of the cretaceous fossils of 
and sections near Simbirsk, 273. 
, his list of eocene tertiary fossils near Simbirsk, 287. 
, his account of the ancient northern extension of 
the Caspian, 324. 
Jasper, schists converted into, 445, 454. 
Jaspers on the east flank of the South Ural, 438. 
at Preobrajeiiski-gora, Orsk, 446. 
Jeivc (Yeive), thickness of the ‘ plela’ limestone at, 33*. 
Jelatma or Velatma, white (carboniferous) limestone of Ivasiiuof 
extends to, 84. 
t sections of Jurassic rocks on the Oka near, 233. 
, ironsaud of Unja near this place belong to the age of 
the siliceous (Jurassic) grits near Moscow, 242. 
heds at this place the lowest of the Jurassic series in 
Russia, 255. 
erratic blocks extend to, 519. 
Jeleniena, near Lichvin, bands of coal at, 77. 
Jeleznoe (Gelesmia /'>.), coal mines of, 105. 
Jendovistie (Yendovistie), on the Vcduga, strata containing De- 
vonian fossils at, 61. , 
Jevitze, south of Warsaw, Jurassic sandstones of, 242. 
Jezem (Yezem), Tinian, Silurian rocks at, 408. 
Jointed structure of lower-Siluriau rocks of Estlionta, 33 . 
of the granitiformmassesof the Ilmen hills, 435. 
Jomavoi Kamen, fossiliferous siliceous grit in the ridge of, 247. 
Junction of Azoic and Silurian, 16 et set/- 
of Silurian and Devonian, 13, 30* ef sey. 
of Devonian and carboniferous, 46,48, 128, 387, 4bO. 
of carboniferous and Permian, 146, 150, 159, 172, 1/4. 
anrl Tnrnssir 2v5i». 
of Jurassic and cretaceous, 246, 252, 20/ . 
of cretaceous and tertiary, 275, 276, &c. 
of mioceiie with freshwater, 296, 502. 
-with Aralo-Caspian, 296 to 326. 
of Permian with Pleistocene, 328. 
of mica schist with granite at Syrostan, 434. 
Jurassic shale reposing conformably on the red marls at Ivrasnoe 
Pnjeui, near Pies, on the Volga, 179. 
Jurassic or oolitic series of Russia, its extent, 8. 
Jurassic rocks, Russian, covering red marls on the banks of the 
Volga, 178. 
, succeed the carboniferous limestone at 
Moscow and Jelatma (Y'elatma), 81, 84, 235. 
Jurassic rocks, Russian, general account of, 229 et seq. 
, uniformity of character in different parts 
of Russia, 230. 
, description of, hv Count von Reyserhng, 
in the Petchora country, 230. 
, account of the basin of the middle v olga, 
231. 
, account of the basin of the Oka, 233. 
, in the neighbourhood of Moscow, 
, section at Sparrow Hill, Moscow, 237. 
, fossils of, from Korosliovo (Moscow), 
results of their examination, 238. 
, ferruginous sand and grit of, 238. 
, great basin of, on the Lower Volga, 243. 
, limits and lithological character of, in 
the basin of the Lower Volga, 241. 
. , Inoceramus {dvicula, hodie) limestone 
of, at Simbirsk, 245. (See Table in Plate Vi.) 
, section of, at Goroditche on the Volga, 
, black shale of, near Sysran, 246. 
, eastern tract of. 247. 
, fossils of, from Orenburg, identified by 
M. von Buch, 247. 
, south of Orenburg, 248. 
, upper group of, in Southern Russia, 
248. 
, upper limestones of, at Sviatagora on 
the Donetz, 250. 
, of Kamenka on the Donetz, 2o0. 
, of Izium on the Donetz, 251. 
, European equivalents of, 253. 
, general conclusions concerning, 253 et 
seq. 
from India, 257. 
their fossils compared with specimens 
on the eastern flank of the arctic Ural, 
406. 
, between the arctic Ural and the Timan 
range, 417. 
, the tchornozem or black earth in part 
derived from the destruction of the black shale of this se- 
ries, 562, 
— — .- , general account of the condition of this 
group in Russia, 582. 
Juriavetz (Y'uriavetz), superposition of Jurassic beds on the 
older rocks at, 232. 
, erratic blocks of quartz rock found at, 520. 
Kadinskot, east of Ekaterinburg, Devonian limestone at, 363. 
Kahorl (Prussia), large boulders found at, 523. 
Kakva (North Ural), palaeozoic deposits on the, 396. 
, metamorphic rocks observed in the descent of the river, 
400. 
, upper Silurian ami Devonian fossils from, 613. 
Kalapi-pohst, soutli of St. Petersburg, Devonian limestones in 
ancient quarries near, 42. 
Kaletzkava, on the Dwina, cliffs of (Permian) gypsum at, 173. 
Kalitva (Don), sections showing cretaceous rocks on the banks 
of the, 270. 
Kaimiuss and Voltebia, stratified crystalline rocks of the, 91. 
, result of examining sections on the bank of, 92. 
, ascending scries of carboniferous rocks at, 95. 
, Inn little coal exists in the carboniferous strata to the 
south-east of, 117. 
Kalmucks, steppe of the, composed of sands, 319. 
Kalie.o, east of Perm, beds of coal near, 126. 
Kaltehedansk, east of Ekaterinburg, tertiary millstone of, 366. 
, account of section from Ekaterinburg to, 362. 
Kalu, palaeozoic limestone of doubtful age on the western slope 
of the South Ural, 459. 
Kaluga and Tula, lower (carboniferous) limestone of, 79. 
