IKDEX. 



495 



Conchifera, 230, 233; divisions, 235. 



Conchiosaurus, 300. 



Conchology, fossil, 213, 256. 



Conchocephalus, 263. 



Conformable position, 149. 



Conglomerate, 135, 451. 



Conifers, 193, 201. 



Contorted strata (illustration), 141. 



Convallarites, 194. 



Coral animals, 215; reefs, 216. 



Coralline crag, 358. 



Corallium rubrum (figure), 215. 



Corbuke, 399, 419. 



Corda, Professor, on the Lepido- 

 storbi, 190. 



Corvus, 309. 



Corydalis, 267. 



Crag, subdivisions of the, 356. 

 shells (illustration), 356, 357, 

 359. 



Crangon, 264. 



Crassula tetragona (figure), 201. 



Crassulaceee, 200. 



Crenatula, 419. 



Cretaceous group, the, 379; sub- 

 divisions and equivalents, 379; 

 fossils very numerous and entirely 

 marine, 384; characteristic shells 

 (illustrations), 384, 385; fishes, 

 386 ; Mosasaurus, 389 ; Poly- 

 ptychodon, 389. 



Crex, 313. 



Cridites, 268. 



Crinoidffi, 226. 



Crocodiles, fossil, 295. 



Crocodilidse, 295. 



Crocodilus, 295. 



Crotalus, 302. 



Crows, fossil, 309. 



Crustacea, 259. 



Cryptogamiee cellular and vascular, 

 180. 



Crystallisation, 85 ; discoveries of 

 Sir David Brewster, 98. 



Crystallography, system of, 77, 78 ; 

 illustrations, 8698, 109. 



Crystals, cleavage of, 101 ; facesof, 85. 



Ctenoid fishes, 275, 283 ; no extinct 

 families, 284. 



Cuculionidee, 269. 



Culmites, 195. 



Cumbrian group, the, 42, 460. 



Cupressites, 194. 



Curved strata (illustration), 140. 



Cuthbert's beads, St., legend of, 24. 



Cuvier proves the pretended remains 

 of Teutobocchus to be those of a 

 mastodon, and Scheuchzer's Home 

 Diluvii Testis to be a gigantic 

 salamander, 26 ; his classification 

 of fishes inapplicable to the fossil 

 species, 274 ; his arrangement of 

 fossil remains, 370. 



Cycadeee, 191, 397,429. 



Cycadeoidea, 192. 



Cycadites, 191. 



Cycas, 397. 



Cyclades, 399. 



Cyclanthras, 276. 



Cyclas, 399, 402. 



Cyclo-gangliata, 229. 



Cycloid fishes, 276, 283 ; no extinct 

 families, 284. 



Cycloneura, 213. 



Cyclophthalmus, 265. 



Cyclopteris Beanii, (figure), 183. 



Cyphaspis, 262. 



Cyphoroma, 364. 



Cyprsecassis rufa (figure), 244. 



Cyprella,261. 



Cypridella, 261. 



Cypridina, 261. 



Cypris, 399. 



Cyproida, 260, 422. 



Cyrena, 399. 



Cythersea, 368. 



Cytherina, 261. 



D 



DAPEDITJM:, 421. 



Darwin, Dr., his researches on coral 

 reefs, 216. 



Dasypidee, 333. 



Dasypus sexcinctus (figure), 333. 



Dasyurus, 316. 



Davy, Sir Humphrey, metallic bases 

 of the earths and alkalies estab- 

 lished by, 80. 



Dax, tertiary strata of, 193. 



Decapoda, 264. 



