514 



INDEX. 



BiphyTphyllmn, i. 215. 



Diplaxanthus, ii. 146. 



Diplacodon, ii. 332. 



Diplocidaris, i. 281. 



Diplodonta, i. 498. 



Diplodiis, ii. 159. 



Dlplograptus, i. 167, 169, 170. 



Diplohelia, i. 191. 



Diplopterus, ii. 140, 142. 



Diplopics, ii. 350. 



Diploria, i. 193. 



Dlplosaurus, ii. 212. 



Dipnoi, ii. 120, 141 ; characters of, ii. 



164. 

 Dipodidce, ii. 410. 

 Diprioiiidian Graptolites, i. 167. 

 Diprotodun, ii. 295, 296. 

 Diprotodontia (Marsiipialia), ii. 289. 

 Diptera, i. 407. 



Diptents, ii. 140, 141, 168, 169, 170. 

 Dipus, ii. 410. J 



Disaster, i. 239, 240. 

 Discina, i. 441, 459. 

 Discinidoa, i. 440, 442, 459. 

 Discinocaris, i. 347, 348, 349. 

 Discoceras, ii. 67. 

 Discodermia, i. 149. 

 Discoidea, 238, 239. 

 Discoporella, i. 432. 

 Discorhina, i. 99, 101, 116. 

 Discosaurus, ii. 222. 

 Dissepiments (Corals), i. 183. 

 DisticJiopora, i. 172. 

 Dithyrocaris, i. 347, 349. 

 Dilremaria, ii. 30. 

 Diirupa, i. 310, 315. 

 Dot^o, ii. 263, 264. 

 Dolabra, i. 491. 

 Dolichosaurus, ii. 205. 

 Doliehosoma, ii. 185. 

 Dolomite, i. 19. 

 Donax^ i. 505. 

 Dorcatherium, ii. 360. 

 Dorycrinus, i. 278. 

 Dosinia, i. 504. 

 Dreissena, i. 483. 

 Dremotlienum, ii. 358. 

 Dromceornis, ii. 259. 

 DromatJierimi, ii. 284, 290, 291. 

 Dromia, i. 393. 

 Dromilites, i. 393. 

 Dromocyon, ii. 400. 

 Dryandra, ii. 468. 

 Dryolestes, ii. 293, 298. 

 Dryojnthecux, ii. 420. 

 Dryptodon, ii. 375. 

 Dryptosaurus, ii. 235. 

 Duncanella, i. 189. 

 Dysaster (see Disaster). 

 Dystrophoeus, ii. 237. 



^to^M, i. 394. 

 Ecculiompludus, ii. 41, 42. 

 Echidna, ii. 286, 287. 

 Echimys, ii. 408. 

 Echinanthus, i. 241. 



Echinaraclinius, i. 241. 

 Echinidce, i. 231, 233. 

 Echinobrissidce, i. 238, 240. 

 Echinohrissus, i. 240. 

 Echinoconidce, i. 238. 

 Echinocoridce, i. 241. 

 Echinocyamus, i. 241. 

 Echinocystites, i. 254. 

 Echinodermata, characters of, i. 224 ; 



orders of, i. 225-305 ; distribution of, 



in time, i. 225. 

 Erhinuduu, ii. 205. 

 /;,■// //(-o/rW/iM5, i. 292, 294. 

 Ecliiiwidea, characters of, i. 226-230. 

 Echinoidea endocyclica, i. 230; exocy- 



clica, i. 237. 

 Echinolampadcc, I 238, 240. 

 Ecliiiiiilampas, i. 241. 

 Echimnida', i. 238, 240. 

 Echinospatagus, i. 243. 

 Echinosplicerites, i. 290, 292, 293. 

 Echinothuria, i. 234. 

 Echinothuridce, i. 227, 230, 233, 234, 



237. 

 Edaphodus, ii. 154, 155. 

 Edentata, characters of, ii. 299. 

 Edestes, ii. 159. 

 Edestosaurus, ii. 206. 

 Edmondia, i. 508, 509. 

 Edriophthahnata, i. 387. 

 Edrioaster, i. 252, 253. 

 Edrioasteridce, i. 252. 

 Eichwaldia, i. 450. 

 Elasmobranchii, characters of, ii. 1 52 ; 



families of, ii. 153 ; distribution of, in 



time, ii. 153. 

 Elasmodus, ii. 154, 156. 

 Elasmosaurus, ii. 222. 

 Elasmotherium, ii. 329. 

 Elateridce, i. 407. 

 Eleacrinus, i. 304. 



Elei:>has, ii. 379, 380, 381, 382, 383, 384. 

 Elk, ii. 361 ; Irish, ii. 333. 

 Ellipsocephalus, i. 353, 363, 365, 367. 

 Elornis, ii. 262. 

 Elotherium, ii. 346, 347, 348. 

 Einarginida, ii. 31, 32. 

 Embasis, ii. 415. 

 Emmonsia, i. 199, 200. 

 E\nydid(v., ii. 196, 197. 

 Eiiiys, ii. 197. 

 EnaUumis, ii. 269. 

 Enaliosauria, ii. 217. 

 Enallohelia, i. 190. 

 Enchodxts, ii. 125. 

 Encrinidie, i. 282. 

 Encrinimda', i. 378. 

 Encrinurus, i. 353, 363, 378. 

 Encrinus, i. 281, 282. 

 Endoceras, ii. 270. 

 Endogens, ii. 430. 

 Endopachys, i. 196. 

 Endothyra, i. 100, 111, 112. 

 Endymion, i. 374. 

 Enhydriodon, ii. 396. 

 Enoploclytia, i. 392. 



