672 
INDEX. 
Crystalline rocks containing paleozoic fossils in the Ural moun- 
tains, 426, 434, 457, &c. 
of the Ural, formed during the palaeozoic pe- 
riod, 464. 
Ctenodus Keysertinyii and C. Wurthii, species of fossil fish found 
in the old red sandstone of Russia, 33. 
Cumbrian region of Britain, the equivalent of the crystalline 
axis of the Ural, 466. 
Cupriferous region between Perm and Kazan, of the Permian 
series, 1 60. 
beds of the Permian series, origin and boundary of, 
168. 
Cutch, oolitic fossils of, referred to, 257. 
Cuvier’s conclusion with regard to the entombment of the an- 
cient mammoths in ice, 496. 
Cyathophyllum floriforme, Phillips. See Litlwstrotion flori- 
forme. 
. Tryplasma (equabilis, description of, 613. 
tnrbinatum , Gohlfuss, description of Russian spe- 
cimens, 612. 
Cyrtoceras , the only Cephalopod found in the Permian strata of 
Russia, 210. 
Oystidece, a new family of critioidal animals described by Von 
' Bucli, 29* 38. 
Cystiphyllum impunctum, description of, 615. 
Cytherinte, or similar small shells found in the variegated 
marls at Viasniki, on the Kliasma,182. 
Czarskoe-celo, section from St. Petersbnrgh to the hills of, 27- 
, description of fossils found near, by H. I. II. the 
Duke of Leuchtcnberg, 29. 
Daghestan, Aralo-Caspian strata extend to, 298. 
Dago, isle of, true upper Silurian strata at, 35. 
, fossils found there by M. Eiehwald, 35. 
Dalman, M., his account of Jsap/mx expanmis , 37. 
Danilof, M., of Nijny Tagilsk, his services, 369. 
Darwin, Mr. C., bis discovery of lower Silurian rocks in the 
Falkland Isles, 6 ; on glacial action, 529. 
Davidoff, M., his beautiful estates on the Volga, 87, 159. 
Dechen, M. H. von, his geological map of Germany, 656. 
De la Bechc, Sir 11. T., his investigations in palieozoic geo- 
logy, 3. 
Deltas of the Russian rivers, their rapidiucrease accountedfor,572. 
Demidoff, M. Anatole, his great work on southern Russia re- 
ferred to, 120, 503. . 
, his munificent encouragement of science, 
at Nigny Tagilsk, 375. . . „„ ... 
Dendradus, Devonian genus of iehthyolite in Russia, .i.J, 40, urf ; 
]). Murcltisuni (Owen), 40, 636. 
Dendrophyllia, points in which this genus differs from Litho- 
dendron, 598. 
Deuislofskava (Archangel), limestone and fossils at, to. 
Denmark, transported blocks, 527 ; drift of, 540. 
Derikle (South Ural), Favosites pulymorpha found at, 4bU. 
Derrynane (Ireland), striated rocks in the bay and bills ot, 
Deshayes, M., on Polish miocene shells, 292 ; on fossil shells ot 
the Crimea, 301. ^ r 
Desna river, Scandinavian blocks reach to the, 52 j. 
Detrital phenomena, not all due to the same cause, 537. 
Detritus. Sec also Blocks, Erratic Drift, &c. 
of Russia, its relation to the underlying rocks, 25 . 
, Poland and Pnissia, northern source of, 509. 
, northern, extent of, in Russia, 507. 
, superficial covering of, at Jelatma on the Oka, 233. 
covering Jurassic rocks on the river Vitlauka, 247. 
, absence of coarse, in the Ural, 359. 
auriferous and mammiferous, hypothesis concerning 
its origin, 492. 
, local nature of gold alluvia, 475, 477. 
- formed upon shelving grounds, 525. 
n An,. \T a r, I 4 r.TTAii i a n c + ruto ft 1 f 
Devitza, near Voroneje, Devonian strata at, 60. 
“ Devonian,” use of the term supported, 68. 
Devonian system, its establishment in England, 1*. 
Devonian system, its identity with the old red sandstone, 1*. 
, great prevalence of, in Germany, 3*. 
— , rocks of this period in France, 4. 
— , exhibited in Spain, 4*. 
North and South America, 5*, 6. 
Australia, 6* ; Russia, 7. 
, Devonian rocks overlying Silurian on the 
Siass, 30. 
, rocks of, near St. Petersburgh, 32*. 
of Russia, 41 et seq. 
, northern zone, 41. 
, lower beds at and to the north of 
Tchudova (St. Petersburg), 42. 
, lower beds on the Volkof, 43. 
, central beds, their usual mineral 
character, 44. 
, upper beds of, on the rivers Msta 
and Belaia, 45. 
, range of, to the north-east, 46. 
, extension of, to Onega and Arch- 
angel, near the White Sea, 49. 
in Courland and in Livonia, 50. 
betweeu Riga and Dorpat, 52. 
, central region of, or geological 
axis of Russia, 53. 
* * on the Oka and the Don, 55, 60. 
. , the organic remains of, 62. 
, union of old red sandstone fishes 
and Devonian shells in, 64. 
, Ichthyolites from, 39, 39*, 40, 66. 
dissimilar lithological structure of, 
in different tracts, 68. 
, junction of, with carboniferous 
rocks at Kiuofsk, on the Tchussovaya, 125. 
on the western flanks of the Ural 
near Nijui-Serginsk, 128. 
-, only one or two fossils of, detected 
among carboniferous types, 132. 
, fine sections of, on the river Issetz, 
, occurrence of, at Neviansk, &c. 
363 et seq. 
(Ural), 368. 
, its relation to the underlying Silu- 
rian grauwaeke on the Serebrianka, 384. 
-, limestones of, on the Tchussovaya, 
- exhibited near Bogoslofsk in the 
385 et seq. 
North Ural, 397, 405. 
rocks of the age of, 400. 
the copper vein of Turyinsk in 
importance of, in the Timan range, 
possibly present on the east flank 
of the South Ural, 423. 
exhibited on the western flank of 
the South Ural at Yakina and Eraol, 430. 
— on the banks of the Riga in the 
South Ural, 432. 
possibly exhibited in the Irendyk 
ridge, 454. 
disturbed hi parallel lines with the 
Silurian and carboniferous rocks in the Ural, 468. 
Devonshire, Siberian beds resembling the culms of, 363. 
Diallage in the serpentine of Listvanaya-gora, in the South 
Ural, 435. 
Diamond alluvia near Bissersk, in the North Ural, 390. 
Diamonds found with gold detritus at Chrestovodsvisgcnsk, 480. 
found in various parts of the Ural, 481. 
, matrix of, found in the Ural, 481. 
Difference in composition between the same carboniferous 
masses in the northern and southern regions of Russia, 113. 
Difficulties of traversing the Ural mountains, 358. 
Diluvium. See Blocks, Erratics, Drift, Detritus, &c. 
