408 



INDEX. 



Salmon family represented in the 

 London Clay, 27 7. 



Sandstone, old red, 57. 



new red, 115. 



Sauroid fishes, 97, 153, 194, 246. 



Scaphite, 244. 



Scelidotherium, 369. 



Scianurus, 276. 



Secondary series, general consider- 

 ations on, 254. 



Sedimentary rocks, non-fossiliferous, 

 17. 



Serpent, fossil, of London Clay, 280. 



Sertularian Coralline, 29. 



Sewalik fossils, 332. 



Sharks (Carboniferous), 100. 



(New Red Sandstone), 120. 



(Liassic), 153. 



(Oolitic), 194. 



(Cretaceous), 247. 



(London Clay), 279. 



Sheppey, fruits and other fossils 

 found at, 268. 



Siderolina, 237. 



Sigillaria, 86. 



Silurian period, 23. 



Silurian seas, general condition, 45. 



Siphuncle of Ammonite, 142. 



Sivatherium, 334. 



Sloth, gigantic extinct species 

 allied to, 358. 



Sphseronites, 35. 



Sph&rulite, 241. 



Spkenopteris, 83. 



Spiadae of sponges, 232. 



Spinacorhinus, 61, 153. 



Spirifer, 93. 



Sponges, fossil, 231, 232. 



Star-fish (Chalk), 239. 



Stigmaria, 86. 



Stonesfield Slate, 196. 



Succession, nature of, in Natural 

 History, 55. 



Tails of fishes, 111. 



Tapir, account of. 282. 



Teleosaurus, 220! 



Terebratula (Carboniferous), 94. 



(Oolitic), 189. 



(Cretaceous), 242. 



Tertiary period, 265. 



early condition, 288. 



middle period, 292. 



newer period, 303. 



conclusion of, in England, 



323. 



Tetragonolepis, 152. 

 Thickness of the non-fossiliferous 



rocks, 19. 



Tiger, fossil, of England, 317. 

 Tornatella (Cretaceous), 243. 

 Tortoise, fresh-water, from (Enin- 



gen,295. 



gigantic, of India, 333. 



Toxodon, 353. 



Tree ferns, 87. 



Trigonia, (Cretaceous), 242. 



Trilobites (Silurian), 36. 



Trinucleus 36. 



Tunicata, account of, 38. 



Turrilite, 245. 



Turritetta, 294. 



Turtles (Cretaceous), 249. 



(Tertiary), 279. 



Ursus spelceus, 315. 

 Urus, 319. 



Venus, 294. 



Vulture, fossil, (London Clay,) 280. 



Wealden deposit, 209, 225. 

 Whale's ear-bone, 322. 

 Wood, fossil, (Lias,) 136. 



XantMdium, 234. 

 Xiphodon, 286. 



Zamia-like plants in New Red- 

 Sandstone, 131. 



THE END. 



LONDON 



Printed bj S. & J. BENTLEY, WILSON, and FLEY, 

 Bangor House,*Shoe Lane. 



