INDEX. 125 
Revelation, its object not physical 
science, i. 15 ; province of, distinct 
from that of natural religion, i. 588. 
Rhizopodes, new class of animals dis- 
covered by M. Dujardin, ii. 64. 
Rhyncholites, fossil beaks, i. 319, 320. 
Ripple markings, fossil, i. 260. 
Rivers, apparatus for supply of, i, .570 ; 
supply and functions of, i. 657,558, 
Robert, M., spirula found by, ii. 63. 
Rodentia, in pliocene strata, i. 92. 
Roussillon, Artesian well in, i. 566. 
Rumphius, his 6gure, and observations 
on living nautilus, i. 314, 331. 
Saarbriick, 6shes found at, i.266, 278. 
Sabrina island, rise and destruction of, 
ii. 8, 
Sacred history, consistency of geologi- 
cal discoveries with, i. 8. 
Salado, river, megatherium in bed of, 
i. 143, 161. 
Salamander, fossil at Oeningen, i. 51 4 ; 
from Japan, alive at Leyden, i. 514. 
Salt, found in secondary and tertiary 
strata, i, 71. 
Sand, effects of wind in forming strata 
of, i. 127. 
Sapey Brook, concretions in, mistaken 
for footsteps, i. 261. 
Saurians, character of in secondary 
strata, i. 74 ; sudden death and bu- 
rial in lias clay, i. 124; fossil, his- 
tory and relations of, i. 165 — 168; 
in what formations found, i. 166, 
168 ; ampbibitms, allied to croco- 
diles, i. 249 ; gigantic terrestrial, i. 
234 ; flying, 221 ; marine, i. 168,202. 
Scaphite,characterandexlentof,i.368. 
Schlotheim, his early arrangement of 
fossil plants, i. 456. 
Sciences, geology essential to advance- 
ment of, i. 7. 
Scorpions, fossil in coal formation, i. 
406 ; indicate a warm climate, i. 
408 ; fossil, description of, i. 407 ; 
eyes and skin, preserved, i. 407, 
408; hairs pi'cscrved, i. 411. 
Scrope, Mr. Poulett, his panoramic 
views of Auvergne, ii, 8 ; on ripple 
marks and tracks of animals in 
oolitic strata, i. 260 ; ii. 42. 
Sea, early history ofilliistrated by fossil 
eyes, i. 401 ; crowded with animal 
life, i. 293. 
Secondary strata, history of, i. 67 ; 
adaptation of to human uses, i. 68 ; 
materials of, whence derived, i. 68 ; 
nature of materials, i. 69 ; advanta- 
geous disposition of, i. 70. 
Secondary formations, leading character 
of their fossil vegetables, i. 453. 
Sedgwick, Professor, on the kind of in- 
formation to be looked for in the 
Bible, i. 34, 594 ; his discovery of 
fossil fishes, i. 277. 
Segregation, theory of veins filled by, i. 
50 1 ■ 
Sellow, M., his use of Chinese method 
of boring wells, i. 568. 
Sepiostaire, its analogies to helemnite, 
1. 378. 
Serolis, its analogies to trilobites, i. 392, 
394. 
Serpentine, veins and overlying masses 
of, ii. 5. 
Serpulaj, attached to belemnites, i. 377. 
Sharks, antiquity of family of, i. 286 ; 
extinct species, numerous, i. 286; 
fossil teeth of, i, 286 ; fossil spines, or 
icthyodonilites, i. 287 ; three sub-fa- 
milies of, i. 287 ; teeth in early fa- 
milies obtuse, i. 289 ; peculiar form 
of tail, i. 279. 
Shcerness, Artesian well at, i. 563. 
Shells, nuroberofinterliarystrata, i. 79; 
vast accumulation of, iu many strata, 
i. 116; turbinated, formed by ani- 
mals of higher order than bivalves, i; 
296 ; fossil univalve and bivalve, i. 
295, 296 ; bored by carnivorous tra- 
chelipods, i. 299 ; specific gravity of, 
i, 302 ; bivalve, constructed by con- 
chifere,i.296; proofs of design in fos- 
sil chambered, i. 310; conclusions 
from chambered species, i.380 ; fora- 
miuated polytbalamous, i. 381 ; mi- 
croscopic, quantity of.in certain strata, 
i. 117 ; minute multilocular, i. 382. 
Sheppey, fossil emys at, i. 258; fossil 
crocodile at, i. 258 ; fishes in London 
clay at, i. 285 ; fossil fruits found at, 
i. 507, 519. 
Sickler, Dr., letter on footsteps at 
Hessberg, i. 265. 
Siebold, Dr., salamander brought from 
Japan, by, i.514 ; silicified buprestis 
in collection of, ii. 78. 
Sienite, veins and overlying masses of, 
ii. 5. 
Sigillaria, among the largest and tallest 
plants of the coal formation, i. 469 ; 
stems occasionally found erect, i. 
470, 47 1 ; stem occasionally divided 
at the summit, i. 472 ; cliaractcr and 
relations of, i. 472, 473, 474 ; scars 
on bark in vertical rows, i. 473 ; 
number of species, i. 473. 
Silistria, sturgeons iu the Danube near, 
i. 279. 
