418 



INDEX. 



Shells, fossil, found near the town of Wetmasut, 



378, 386. 



. at Pugan district, 386, 387. 



freshwater ? in the calciferous sandstone 



at Hastings, 35. 

 marine, in tertiary deposits of Asia, 394. 



Shiant Isles, extension of lias to, 312. 

 Sidmouth, blocks of sandstone at, a siliceous 

 breccia of the same age and character as the 

 Hertfordshire pudding-stone, 127 note. 

 Sieniie in trachytic conglomerate, 349. 

 Silhet, Laour hills near, composed of white lime- 

 stone containing Nummulites and vertebrae of 

 fish, 387. 



tertiary deposits near, 394. 



Siliceous trachyte, Ponza, 208. 

 Skomer island ; see Grauwacke, Trap. 

 Skull, a human, found in the valley of the Kennet, 

 at the contact of the peat with the shell marl, 

 128. 

 Slate quarry of the Oernant mountain, 238. 

 Smith, Sir James, description of the Cycas revo- 

 luta noticed by, 398. 



William, Esq., his section of the Yorkshire 



coast, 297. 

 Sofatara of the volcanic district of Naples, de- 



scribed, 343. 

 glo- 

 bular concretions formed in the, 346. 



eruption of, 346. 



Somma, a principal volcanic vent, 338. 



crater of, when formed, 339. 



described, 338, 339, 340, 341. 



eruptions of, described, 339. 



Sorrento, trachytic lava in volcano of, 348. 



volcanic formations at, 352. 



South.downs, chalk escarpments of, 97. 

 Southern Pembrokeshire : see De la Beche, and 



Trap. 

 Sowerby, Mr., fossil plants in the museum of, 



395. 

 Spar, calcareous, in the lias formation of Lyme 



Regis, 29. 

 St. David's : see Trap. 

 St. Goven's : see Limestone. 

 Stammerham quarry, section of, 133. 



Sternberg, Count, descriptionof a fossil amentum 

 by, 400, 



Stone-coal : see Coal. 



Stone, rude instruments of, accompanying a hu- 

 man skull found at the contact of the Kennet 

 peat with a substratum of shell marl, 128. 



Stonesfield, oolitic slate, contains leaves resem- 

 bling the Cycadeae, 400. 



Strata, order of superposition of, in the N.W. of 

 Sussex and adjoining parts of Hants and Surrey, 

 commencing below the chalk, 106. 



tertiary, of the district of the Irawadi, 384, 



385. 



near Madras, 387. 



Strathsteven, sandstone quarries of, 303. 

 Streatham Common, section of a well sunk at, 



135. 

 Strobilus discovered by Dr. Fitton, 396 note. 

 Submedial or transition rocks, Jamaica, 148. 

 Sulphate of alumine, at Solfatara, 345. 

 of barytes in the lias formation of Lyme 



Regis, 29. 



iron ditto 



lime ditto 

 magnesia ditto 

 soda ditto 



ditto, 345. 

 ditto, 345. 

 ditto, 345. 

 ditto, 345. 



Sulphuric acid formed at Solfatara, 344. 

 Superior or tertiary rocks, Jamaica, 169. 

 Supermedial or secondary rocks, Jamaica, 163. 

 Sus, fossil remains of, found in the Irawadi, 373. 

 Sutors of Cromarty, lias and fossils of, 308, 309. 

 structure of, 355. 



Table of fossil shells in the district of Brora and i 



the Western Islands, 318. 

 Tapir, bones of, in the valley of the Irawadi, 



379. 

 fossil remains of, found in the Irawadi, 



374. 

 Teeth, fossil, analogous to those of the Lizard 



tribe in the East Cliff, Hastings, 35. 

 Tenby : see Limestone. 

 Teneriffe, notice of the fissures on the sides of the 



mountain, 341. 



