INDEX. 



497 



Elephas Indicus, 330 ; tooth of, 331. 

 primigenius, 33 Ij tooth of, 

 331. 



Elephasidse, 328. 



Ellipsocephalus, 263. 



Emys, 291, 403. 



Emysidae, 291. 



Encephalous mollusca, 231. 



Encrinites moniliformis (figure), 

 227., 



Encroachments of the sea on the 

 shore, 345 ; conservative prin- 

 ciples, 350. 



Endogenites, 194. 



England, range of various systems 

 in, 117, 119. 



Eocene strata, 354, 358. 



Ephemeridse, 268. 



Equisetaceae, 180, 429. 



Equisetum (figure), 180. 



columnare (figure) ,181. 

 Equivalents (illustration), 157. 



foreign, of English geo- 

 logical terms, 353, 379, 392, 409, 

 410, 41 7, 426, 434, 446, 450, 455. 



Equus, 324. 



Erdrinde, or Crust of the Earth, 58. 



Erect trees, discovery of, in the coal 

 formation, 42, 443. 



Erosion of river channels, 376. 



Erratic blocks, their mode of trans- 

 port, 42. 



Eryma, 264. 



Escarpment (illustration), 153. 



Euomphalus, 448. 



Euryodon, 334. 



Euryarthra, 276. 



Eurypterus, 263. 



Eurysternum, 291. 



Exercises on the various topics of 

 the work, 16, 46, 64, 109, 110, 159, 

 205, 378, 391, 407, 416, 425, 433, 

 445, 449, 454, 460. 



Experiments, Gb'ppert's on the origin 

 of coal, 437 ; Hall's on stratifica- 

 tion, 111,112; Lindley's on plants, 

 174 ; Watt's on the formation of 

 basalt, 124. 



Explanaria, 412. 



Extinct and existing species, propor- 



tions of, in the different beds of the 

 tertiary series, 236. 



F. 



FACES of a crystal, 85. 



False stratification (illustration), 144. 



Faults in strata, 156 ; (illustration), 



157 ; deceptive appearances of, 156. 

 Felis tigris (illustration), 337 ; skull 



of, 338. 

 Ferns, 180; predominate in the coal 



formation, 180 ; their vast size, 



180; genera, (illustrated), 181 etseq. 



and sigillarise, 196. 

 Finches, fossil, 309. . 



Fishes, the primary era the age of, 

 276 ; Agassiz' classification, 275 ; 

 placoid, 276 ; ganoid, 278 ; cy- 

 cloid, 283 ; ctenoid, 283 ; resume, 

 284. 



fossil, researches of Agassiz, 

 275. 



FlabeUaria, 193. 



Flint, presumed animal origin of, 38 3. 



Fluviales, 193. 



Fluviatile action, 349. 



Footsteps of birds, 309 ; of tortoises, 

 290 ; of the cheirotherium or 

 labyrinthodon, 430. 



Foramenifera, 222; their astonishing 

 numbers, 222. 



Formations, extent of the older, 132; 

 derived character of the sedi- 

 mentary, 132. 



Fossil animals, stratigraphical distri- 

 bution of, 256. 



botany, 161 ; arrangements, 

 171 ; Brongniart's classification, 

 176. 



fishes, 273 et seq. 



flora, 161 et seq. 



illustrations, 1 7 920 1 . 



shells, early notice of, 18, 19, 

 22. 



trees, 443 ; illustrations, 396, 

 442, 443, 444. 



Fossils, directions for collecting, 467. 



characteristic, 129 ; of the 

 chalk, 383 of the wealden, 402 ; 

 of the oolite, 412 ; of the lias, 



K K 



