INDEX. 



465 



Pharyngognathi, 330, 331. 



Phenacodus, 301. 



Phenacodus primoevus, 270, 273, 275, 300, 



808. 

 vortmani, 345. 

 "Philosophie Zoologique," viii, 423. 

 Phrenism, 205. 

 Physical evolution, 128. 

 Physical origin of man, the, 146. 

 Physiophilosophs, 7. 

 Physoclysti, 328. 

 Physostomi, 328. 

 Pityophis sayi, 197. 

 Plagiaulax, 348. 

 Platypodidse, 346. 

 Plecostomus, 4. 

 Plectognathi, 330. 

 Plesiosaurus, 26, 188. 

 Pleuronectidse, 196. 

 Pliauchenia, 223. 

 Poebrotherium, 223. 

 Poebrotherium labiatum, 271, 370. 



vilsoni, 371, 376. 

 Polycystina, 27. 

 Polyphyletic descent, vii. 

 Porter, Noah, xi. 

 Pressure, effect of, 228. 

 "Primitive Types of Mammalia Educa- 



bilia," 246. 

 *' Principles of Biology," ix, xi, 423. 

 " Principles of Psychology," ix. 

 Procelurus julieni, 366. 

 Probable cases of transition, 83. 

 Proboscidia, 233, 265, 342-4, 346-8, 375, 



401. 

 Procamehis occidentalis, 308, 376. 

 Procyonidee, 359. 

 Prostemma gutiula^ 89. 

 Protamoeba, 190. 

 Proteida, 331-3. 

 Proteles, 349. 

 Protobathybius, 420. 

 Protohippus sejundtis, 271, 370. 

 Protolabis, 223. 

 Protozoa, 33, 420. 

 Ptychodont type, 243. 

 Ptychostomus, 4. 

 Ptychosiomus pidiensis, 213. 

 80 



Puerco fauna, 302. 

 Pygopodidae, 337. 

 Pythonomorpha, 26, 334. 



Quadrumana, 179, 278, 280, 342-4, 347, 

 385, 899, 400, 401. 



Radcliffe, 20. 

 Ptadiata, 27. 

 Rana, 4. 

 Rana affilis, 222. 



affijiis, 47, 84. 



areolata^ 48. 



catcsheiana, 48. 



clamata, 222. 



corrugata, 48. 



cyanopldydisy 48. 



delalandii, 47. 



ehrenhergii, 48. 



fasdata, 47. 



fuscigultty 48. 



gracilis^ 48. 



grayi, 47. 



grunniens, 48. 



hexadactyla, 48, 222. 



mascariensis, 47. 



occipitalis, 48. 



oxyrhyncJms, 47, 222. 



palmipes, 47. 



porosissima, 47. 



temporaria, 84. 



tigrina, 48. 



vittigera, 48. 

 Raniformia, 217. 

 Ranula chrysoprasina, 222. 

 Rathke, 57, 61, 76, 93. 

 Rationale of moral development, 166. 

 Rattle of the rattlesnake, the, 197. 

 Raymond, Dubois, 21, 409, 415. 

 Relation of animal motion to animal evo- 

 lution, xi, 266, 350. 

 Rationale of the development of intelli- 

 gence, 154. 

 Relation of man to the tertiary mamma- 

 lia, X, 268. 

 Relations of nearly allied genera, on 



the, 44. 

 Relations of physical and moral nature, 

 158. 



