4G4: 



INDEX. 



Modifications of animals under domesti- 

 cation, 110. 

 Monas, 27. 

 Mongolian, 288. 

 Monism, 421. 



Monodelphia, 344, 847, 348. 

 Monotremata, 341, 346, 347. 

 Morals of evolution, the, 230, 311. 

 Morris, C, 385. 

 Muller, 8, 325. 

 Murphy, 194. 

 MustelidsB, 246. 

 Mutilla, 212. 

 Mycelium, 30. 

 Myiodioctes canadensis, 85. 



Naja, 4. 



Natural selection, 2, 14, 43, 78, IOC, 107, 



174, 175. 

 Nature of actions, the, 439. 

 Nautilus, 18. 

 Necturus, 333. 

 Necturus macidatus, 49. 

 Negro, 288. 

 Neurism, 20, 205. 

 Numida, 24. 

 Neuroptera, 316. 

 Newton, 14. 

 Nimravus gomphodus, 375. 



CEstridse, 316. 



Office of consciousness, 412. 



Oken, 7. 



Omnivora, 371. 



Oncocephalus ffriseus, 90. 



Ophibolus, 299. 



triangulus, 197. 

 Ophidia, 334, 335. 

 Oporornis agilis, 85. 



formosus, 85. 

 Orconcctes pellucidus, 13. 

 Origin of automatic movements, the, 393. 

 Origin of consciousness, 402. 

 " Origin of the Fittest," xiii, 175, 225. 

 Origin of the foot-structure of the un- 

 gulates, xi, 368. 

 "Origin of Genera," ri, vii, 11, 41, 125, 

 256. 



Origin of inexact parallelism, 92. 



Origin of intelligence, 31. 



Origin of the modern types of bunodont 



and lophodont dentition, 251. 

 Origin of motives, 460. 

 Origin of the specialized teeth of the 



carnivora, xi, 363. 

 Origin of species, 2, 7, 42, 107. 

 Origin of the will, x, 437. 

 Ornithorhynchus, 184. 

 Orniihosauria, 335, 336. 

 OrthagoriscidfB, 330. 

 Orthoceras, 18. 

 Osborn, H., 277. 

 Ossemens fossiles, 49, 176. 

 Osteocephalus, 46, 221. 

 Ostraciontidae, 330. 

 Owen, Sir R., 88, 91, 103, 318. 

 Oxyaena, 246, 360. 

 Oxi/cena lupina, 365, 



morsitans, 375. 

 Oxyrrhopus, 4. 



Packard, A. S., 2, 13. 

 Palaeosyops, 247. 

 Palseotheriodont, 258. 

 Palseotherium, 247, 248. 

 Paleontological bulletins, xii. 

 Paleontological evidence, 383. 

 Palingenesis, 126. 

 Panaesthetism, 419. 

 Pantolambda, 360. 

 Pantolambda hathmodon, 275. 

 Parallelism, 7. 



Parallelism in higher groups, 58. 

 Parker, 86. 

 Pasteur, 431. 

 Pavo, 24. 

 Pelycodus, 360. 

 Perca, 4. 



Percomorphi, 328, 331. 

 ] Perigenesis, ix, 

 Periptychus, 359. 

 Pcripttjchus rhabdodon, 268, 308. 

 Perissodactyla, 250, 265, 3"8, 371-373, 



375, 399. 

 Permian fauna, 302. 

 Peters, 330. 



