128 



iNDEif. 



Scaphite, character and extent of, 

 i. 277. _ 



Schlotheim, his early arrangement 

 of fossil plants, i. 343. 



Sciences, geology essential to ad- 

 vancement of, i. 17. 



Scorpions, fossil in coal formation, 

 i. 306 ; indicate a warm climate, 

 i. 308; fossil, description of, i. 

 317 ; eyes and skin, preserved, 

 i. 307, 308 ; hairs preserved, i. 

 310. 



Scrope, Mr. Poulett, his panoramic 

 views of Auvergne, ii, 8 ; on rip- 

 ple marks and tracks of animals 

 in oolitic strata, i. 198; ii. 42. 



Sea, early history of illustrated by 

 fossil eyes, i. 302 ; crowded with 

 animal life, i. 223. 



Secondary strata, history of, i. 60 ; 

 adaptation of to human uses, i. 

 60 ; materials of, whence derived, 

 i. 60 ; nature of materials, i. 61 ; 

 advantageous disposition of, i. 

 62. 



Secondary formations, leading cha- 

 racter of their fossil vegetables, 

 i. 341. 



Sedgwick, Professor, on the kind 

 of information to be looked for 

 in the Bible, i. 36, 441 ; his dis- 

 covery of fossil fishes, i. 211. 



Segregation, theory of veins filled 

 by, i. 411. 



Sellow, M., his use of Chinese me- 

 thod of boring wells, i. 224. 



Sepiostaire, its analogies to belem- 

 nite, i. 285. 



Serolis, its analogies to trilobites, i. 

 296, 298. 



Serpentine, veins and overlying 

 masses of, ii. 5. 



Serpulx, attached to belemnites, i. 

 285. 



Sharks, antiquity of family of, i. 

 217 ; extinct species, numerous, 

 i. 217; fossil teeth of, i, 217; 

 fossil spines, or icthyodorulites, 

 i. 218 ; three sub-families of, i. 

 218 ; teeth in early families ob- 

 tuse, i. 220; peculiar form of tail, 

 i. 212. 



Sheerness, Artesian well at, i. 420. 



Shells, number of in tertiary strata, 

 i. 68 ; vast accumulation of, in 



many strata, i. 96; turbinated, 

 formed by animals of higher or- 

 der than bivalves, i. 225 ; fossil 

 univalve and bivalve, i. 224,225; 

 bored by carnivorous tracheli- 

 pods, i. 227 ; specific gravity of, 

 i. 229 ; bivalve, constructed by 

 conchifers, i. 225 ; proofs of de- 

 sign in fossil chambered, i. 235 ; 

 conclusions from chambered spe- 

 cies, i. 286; foraminated polytha- 

 lamous, i. 287 ; microscopic, quan- 

 tity of, in certain strata, i. 97 ; 

 minute multilocular, i. 288. 



Sheppey, fossil emys at, i. 197; fos- 

 sil crocodile at, i. 197 ; fishes in 

 London clay at, i. 217 ; fossil 

 fruits found at, i. 380, 389. 



Sickler, Dr., letter on footsteps at 

 Hessberg, i. 203. 



Siebold, Dr., salamander brought 

 from Japan, by, i. 386 ; 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 forma- 

 tion, i. 352 ; stems occasionally 

 found erect, i. 353, 354 ; stem 

 occasionally divided at the sum- 

 mit, i. 355 ; character and rela- 

 tions of, i. 355, 356 ; scars on 

 bark in vertical rows, i. 355; 

 number of species, i. 355. 



Silistria, sturgeons in the Danube 

 near, i. 212. 



Silliman, Professor, his interpreta- 

 tion of the word beginning, and 

 of the days of the Mosaic crea- 

 tion, i. 24. 



Silurus, spine of, i. 220. 



Silurian system, its geological place, 

 and history of its establishment, 

 i. 394 ; recognition of, on the con- 

 tinent, i. 395 ; divisions of. ii. 

 104. 



Simple minerals, definition of, 426. 



Siphuncle, structure and functions 

 of in nautilus, i. 243 ; arguments 

 from fossil portions of, i. 247, 

 248. 



Skiddaway island, bones of mega- 

 therium found in, i. 115. 



Sloth, peculiarities in the structure 

 of living species, no imperfec- 



