INDEX. 



427 



Stromatopora, 99,100, 120, 141; rugosa, 99; 



tuberculata, 142. 

 Strombodes, 121; pentagonus, 105. 

 ^trombus, 280. 

 Stropfialosia, 202. 

 Strophodus, 262. 

 Strophomena, 110. ill, 127, 149, 188 ; aer- 



nata, 111; deltoidea, 110; Jilitexta, ill; 



rhomboidalis, 150, 152;uoptana, 129. 

 Sub-Appennine Beds, 337. 

 Sub-Carboniferous rocks, 161, 161. 

 Succession of life upou the globe, 



Suida, 313, 328. 340. 



Sulphate of lime, 23. 



Sus Erymanthius, 328; scrofa, 367. 



Synastrcea, 215. 



Synhelia Sharpeana, 274. 



Synocladia, 202; virgulacea, 202. 



Syringopora, 121, 174; ramulosa, 178. 



Tabulate Corals, 106; of the Lower 

 Silurian, 106; of the Upper Silu- 

 rian, 121; of the Devouiau, 14 1; or' 

 the Carboniferous, 176; of the Per- 

 mian, 201. 



Talpa Europoea, 349. 



Tapiridse, 310. 



Tapirs, 310. 



Tapirw Arvernensis, 310. 



Taxocrinus tuberculatus, 124. 



Taxodium, 270, 319, 321. 



Teleosaurus, 260. 



Teleostean Fishes, 152; of the Cre- 

 taceous, 283. 



Telerpeton Elginense, 224. 



Tellina proximo,, 851. 



Tentaculites, 131, 151; ornatus, 131. 



Terebra, 303. 



Terebratdla, 276; Astieriana, 276. 



Tere&rataZa, 188, 241; digona, v42; don- 

 yata, 202; hastata 186; quadrifida, 242; 

 spharaidalis, 242. 



Terebratulina, 276; caput-serpentis, 276; 

 seriate, 276. 



Termites, 322. 



Terrapins, 289, 306. 



Tertiary period, 45, 294-296. 



Tertiary rocks, classification of, 295- 

 296. 



Tfcstodfctda?, 324. 



Tetrabranchiate Cephalopoda, 114; 

 of the Cambrian, 89; of the Lower 

 Silurian, 113-116; of the Upper Silu- 

 rian, 132; of the Devonian, 151; of 

 the Carboniferous, 189, 190; of the 

 Permian, 203; of the Trias, 217; of 

 the Jurassic, 244, 246; of the Cre- 

 taceous, 280-283; of the Eocene, 

 304; of the Miocene, 322. 



Tcxtularia, 23, 272, 322; Meyeriana, 322. 



Thanet Sands 297, 298. 



Theca, 89, 112,131. 



Theca Davidii, 88. 



Thecidium, 219. 



Thecodont Reptiles, 224. 



Thecodontosaurus, 206, 224; antiquus, 

 225. 



Thecosmilia annularis, 238. 



Thelodus, 132. 



Theriodont Reptiles, 206, 227. 



Thylacoleo, 362. 



Tile-stones, 118. 



Titanotherium, 827. 



Toothed Birds, 289-292. 



Tortoises, 207, 306. 



Tragoceras, 329. 



Travertine, 22, 



Tree-Ferns, 'of the Devonian, 138; of 

 the Coal-measures, 169. 



Tremadoc Slates, 78-79. 



Trematis, 112. 



Trenton Limestone, 96,97. 



Triarthrus Beckii, 108. 



Triassic period, 209; rocks of, in 

 Britain, 209; in Germany, 209; in 

 the Austrian Alps, 210; in North 

 America, 210; life of, 211-231. 



Triconodon, 262. 



Trigonia, 24>,262, 277. 



Trigoniadss, 203, 217. 



Trigonocarpum, 173 ; ovatum, 173. 



Trilobites, 84-88; of the Cambrian, 

 86,88; of the Lower Silurian, 108, 

 109; of the Upper Silurian, 125, 126; 

 of the Devonian, 146, 147 ; of the 

 Carboniferous, 183. 



Trimerellidse, 129. 



Trinucleus, 110 ; concentricus, 108. 



Trionycidse, 306. 



Triton, 303. 



Trochocyathus, 274. 



Trochonema, 181. 



Trogontherium, 875 ; Cuvieri, 349, 375. 



Trumpet-shells, 303. 



Tulip-tree, 270, 319. 



Turbinolia sulcata, 302. 



Turbinolidse, 302. 



Turrilites, 281, 282 ; catenulatus, 281. 



Turritella, 279, 303. 



Turtles, 207, 259, 28, 306. 



Typhis tubijer, 303. 



UUmania telaginoides, 201. 



Unconformability of strata, 60. 



Under-clay of coal, 165. 



Ungulata, of the Eocene, 310-313: of 

 the Miocene, 326-330; of the Plio- 

 cene, 339-340 ; of the Post-Pliocene, 

 366-367. 



Uniformity, doctrine of, 5-7. 



Unio, 277. 



Univalves (see Gasteropoda). 



Upper Cambrian, 77-79; Chalk, 266; 

 Cretaceous, 264. 268; Devonian, 137; 

 Eocene, 296, 298; Greensand, 250; 

 Helderberg, 137; Laurentian, 66; 

 Llandovery, 117; Ludlow rock, 117; 

 Miocene, 316; Oolites, 234; Silurian 

 period, 116; rocks of, in Britain, 

 117, 118; in North America, 118-120, 

 life of, 120-134. 



Ursus arctos, 373; ArvernensU, 341; fc- 

 rox, 378; spelcea, 373. 



Ursus, 349, 369. 



\ alley- gravels, high-level and iow- 



level, 352-354. 

 Vanessa Pluso, 322. 

 Varanidse, 206. 

 Vegetation (see Plants). 

 Ventriculites, 272, 273; simplex, 278. 

 Venus's Flower-basket, 273. 

 Vermilia, 201. 



