INDEX. 



465 



Pharyngognathi, 330, 331. . 

 Phenacodus, 301. 



Fhe?iacodusprimcevus,2l0, 21B, 275, 300, 

 308. 



vorimani, 345. 

 "Philosophic Zoologiqiie," viii, 423. 

 Phrenism, 205. 

 Physical evolution, 128. 

 Physical origin of man, the, 146. 

 Physiophilosophs, 7. 

 Physoclysti, 328. 

 Physostomi, 328. 

 Pityophis sayi, 197. 

 Plagiaulax, 348. 

 Platypodidae, 346. 

 Plecostomus, 4. 

 Plectognathi, 330. 

 Plesiosaurus, 26, 188. 

 Pleuronectidae, 196. 

 Pliauchenia, 223. 

 Poebrotherium, 223. 

 Po'ebrotherium labiatum, 271, 370. 



vihoni, 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. 

 Proce.lurus julicni, 366. 

 Probable cases of transition, 83. 

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



401. 

 Procamdus occidenialis, 308, 376. 

 Procyonidae, 359. 

 Prostemma guttula, 89. 

 Protamoeba, 190. 

 Proteida, 331-3. 

 Proteles, 349. 

 Protobathybius, 420. 

 Protohippus sfjunctus, 271, 370. 

 Protolabis, 223. 

 Protozoa, 33, 420. 

 Ptychodont type, 243. 

 Ptychostomus, 4. 

 Pti/chostormis pidiensis, 213. 



Puerco fauna, 302. 

 Pygopodidse, 337. 

 Pythonomorpha, 26, 334. 



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

 385, 399, 400, 401. 



Radcliffe, 20. 

 Radiata, 27. 

 Rana, 4. 

 Patia agilis, 222. 



offinis, 47, 84. 



areolata, 48. 



catcshciana, 48, 



clamafa, 222. 



corruffota, 48. 



cyanojMyctift, 48. 



delatafidii, 47. 



chrenbergii, 48. 



fasdata, 47. 



fuseiguJa, 48. 



gracilis, 48. 



gragi, 47. 



gru7iniens, 48. 



hexadacfyla, 48, 222. 



mascariensis, 47. 



occipitalis, 48. 



oxyrhynchus, 47, 222. 



pnlmipes, 47. 



porosissima, 47. 



temporaria, 84. 



figrina, 48. 



■eiitigera, 48. 

 Raniformia, 217. 

 Ranula chrysop^'asina, 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. 



