INDEX. 



417 



Dryolestes, 335. 

 Dryopithecus, 400. 

 Duck (fossil), 332, 333. 

 Duck-bill, 333. 

 Dugong, 339. 

 Dziggetai, 370. 



Eagle, 66, 79, 88 ; fossil, 332. 

 Echidna, 333, 334. 

 Echinidse (deep-sea), 111. 

 Echinobrissus, 166. 

 Echinoderms, 111, 166. 

 Echinogale, 346. 

 Echiomyidae, 360. 

 Edentata, distribution of, 336. 

 Edmondia, 271. 

 Edwardsia, 242. 

 Eels, 104, 292, 296, 303. 

 Eider-duck, 69. 

 Elachoceras, 367. 

 Eland, 84. 



Elaphis, 321, 323, 324. 

 Elaphodus, 72. 

 Elapidse, 322, 325. 

 Elasmobranchii, 299. 

 Elasmognathus, 369. 

 Elateridse, 284. 



Electric eel (Torpedo), 80, 294. 

 Elephant. 18, 36, 37, 206; distribu- 

 tion of, 365, 366. 

 Elephant-shrews, 346. 

 Elk, 381, 382. 

 Emarginula, 269. 

 Emballonura, 351. 

 Emberiza, 66, 70. 

 Empedocles, 154. 

 Emu, 101 ; fossil, 332. 

 Emydse (Emys), 314, 315. 

 Enaliornis, 330. 

 Encrinus, 157. 

 Endoceras, 145, 190. 

 Enhydris, 390. 

 Entellus-monkey, 399. 

 Entomodon, 348. 

 Eobasileus, 367. 

 19 



Eohippus, 371, 372. 



Eohyus, 374. 



Eoscorpius, 151, 286. 



Eotherium, 340. 



Eozoon, 134, 196. 



Equus, 369-371. 



Erethizon, 362. 



Erinaceus, 347. 



Eriodes, 395. 



Ermine, 4, 390. 



Erycidse, 322. 



Eryops, 155. 



Esocidse, 68. 



Esox, 69. 



Estheria, 207, 273. 



Esthonyx, 348. 



Estrild, 88. 



Ethiopian realm, 82. 



Euclastes, 315. 



Eugereon, 283. 



Eulabes, 94. 



Euinetopias, 391. 



Euomphalus, 148, 269. 



Euphoberia, 151, 286. 



Euphonia, 78. 



Euplectella, 110. 



Euplocamus, 97. 



Euproops, 278. 



Eupsammidse, 144. 



Eurasiatic region, fauna of, 60. 



Euryapteryx, 333. 



Euryla?midae, 95. 



Eurypterus, 148, 278, 279. 



Eurysternum, 315. 



Eusmilus, 385. 



Eutsmia, 323, 324. 



Evotomys, 656. 



Exogyra, 168. 



Extracrinus, 166. 



Falcon, 19, 66, 69, 104 ; fossil, 330. 

 Fallow-deer, 380, 381. 

 Families, distribution of, 29. 

 Faunas, variation in, 3-6 ; migrations 

 of, 13; origination of, 15, 178; 



