INDEX. 



129 



tions, i. 113 ; adapted to live on 

 trees, i. 114. 



Smyth, Capt., experiments on Mas- 

 sey's log and bottles sunk in a 

 deep sea, i. 261. 



Soemmering, Professor, pterodac- 

 tyle described by, i. 172. 



Soldani, bis collection of fossil shells 

 in Tuscany, i. 97. 



Solenhofen, pterodactyle found at, 

 i. 171, 172 ; libellulae and other 

 insects found at, i. 171 ; fossil 

 fishes of, i. 203 ; fossil crustace- 

 ans from, i. 292. 



Spec -, es, changes of, indicate changes 

 of climate, i. 96. 



Speeton, hamites found at, i. 277. 



Spiders, fossil in Jurassic and terti- 

 ary strata, i. 306. 



Spinax acanthius, horny dorsal 

 spine of, i. 220. 



Spirula, derived from a sepia, i. 

 273, 239 ; ii. 63. 



Springs, how supplied by stratified 

 rocks, i. 62 ; origin and impor- 

 tance of, i. 415, 418; ordinary 

 supply of rivers by, i. 416; causes 

 of their production, i. 416 ; sup- 

 ply from rain water, i. 417, 418 ; 

 systems of, near Bath, i. 418 ; 

 produced in Derbyshire, by faults, 

 i. 418 ; two systems of, originat- 

 ing in faults, i. 418 ; local causes 

 of irregularities in, 424. 



Squaloids, extent of, 287. 



Stark, Dr., on changes of colour in 

 fishes, i. 163. 



Star fish, number of ossicula in, i. 

 oj-4. 



Steam power, prodigious effect of, 

 i. 399 ; amount of, employed in 

 Cornwall and in England, i. 400. 



Stelleridans, geological commence- 

 ment of, i. 313 ; structure of fos- 

 sil, similar to that of existing spe- 

 cies, i. 313. 



Steneosaurus genus established by 

 St. Hilaire, i. 193. 



Sternberg, Count, his Flore du 

 Monde primitif, i. 343 ; on cy- 

 cadeae and zamites in the coal 

 formation, i. 369 ; his discovery 

 of fossil scorpions, i. 306. 



Stigmaria, form and character of, i. 

 357, 358 ; dome-shaped trunk, i. 



357; internal structure of, i. 358; 



probable aquatic habit of, i. 359. 

 St. Hilaire, GeofTroy de, his new 



genera of fossil crocodileans, i. 



193. 

 St. Ouen, Artesian well at, i. 419. 

 Stones, none have existed in their 



present state for ever, i. 426. 

 Stonesfield, mixture of marine and 



terrestrial animals in oolite at, i. 



99; pterodactyle found at, i. 171; 



megalosaurus found at, i. 180; 



scales of testudinata found at, i. 



197; castings of marine worms 



at, i. 198 ; remains of marsupialia 



found at, i. 203 ; rhyncholites 



found at, i. 241. 

 Stratified rocks, aggregate thickness 



of, i. 38. 

 Straus, on eves of insects, &c. i. 



299. 

 Sturgeons, functions of living spe- 

 cies, i. 212. 

 Sublimation, theory of veins filled 



by, i. 411. 

 Succession, eternal, of species dis- 

 proved by phenomena of primary 



rocks, i. 51. 

 Sumner, Bishop, his records of 



Creator, i. 35. 

 •Superposition, regular order of in 



strata, i. 16. 

 Surturbrand, brown coal of Iceland, 



i. 381, 382. 

 Syringodendron, name applied to 



many species of sigillaria, i. 352. 



Tankerville, Lady, Zamiain conser- 

 vatory of, i. 371. 



Taylor, Mr. R. C , on fossil fuel in 

 Pennsylvania, i. 340. 



Taylor, Mr. I. C, on duty of steam 

 engines, i. 398 et seq.; on bene- 

 ficial disposition of metals, i. 413. 



Teleosaurus, genus of, established 

 by St. Hilaire, i. 193; skeleton of 

 from Whitby, i. 193. 



Temperature, changes indicated by 

 fossil vegetables, 341 ; proofs of 

 gradual diminution of, i. 380. 



Tertiary strata, character of, i. 66; 

 character of their fossil vegeta- 

 bles, i. 341. 



Testudo graeca, recent footsteps of, 

 i. 199. 



