434 



INDEX. 



Procoelous, 139. 

 Procoracoid, 170. 

 Procyon, 412. 

 Procyonidas, 412. 

 Proganochelys, 311- 

 Pronephric duct, 117. 

 Pronephros, 116. 

 Prong-horn, 399. 

 Prootic, 158. 

 Prorastomidae, 405. 

 Prorastomus, 405. 

 Prosencephalon, 49. 

 Prosimise, 414- 

 Prostate glands, 371. 

 Proteidse, 285. 

 Proteles, 412. 

 Proteroglypha, 325. 

 Proterosaurus, 314. 

 Proteus, 285. 

 Protoceras, 399. 

 Protocone, 365. 

 Protoconule, 365. 

 Protodonta, 377. 

 Protohippus, 395. 

 Protolabis, 398. 

 Protoptems, 273. 

 Protopterygium, 175. 

 Protoreodon, 398. 

 Protostega, 310. 

 Prototheria, 376. 

 Prototheridae, 395. 

 Protovertebrse, loi. 

 Proventriculus, 34, 

 Provivera, 411. 

 Psalterium, 35. 

 Psephoderma, 310. 

 Psephurus, 251. 

 Psetta, 265. 

 Psittaci, 349. 

 Pseudobranch, 23. 

 Pseudopleuronectes, 265. 

 Pseudosuchia, 327. 

 Pseudo ventricle, 57. 

 Pteranodon, 330. 

 Pteraspis, 224. 

 Pterichthys, 225. 

 Pteroc!etes,35o. 

 Pterodactylia, 329. 

 Pterodactylidae, 330. 

 Pteromys, 390. 

 Pteropsedes, 330. 

 Pterophryne, 266. 

 Pteropodidse, 388. 

 Beropus, 388. 



Pterosauria, 329. 

 Pterotic, 244. 

 Pterygoid, 158. 

 Pterygoid process, 356, 

 Pterygoquadrate, 156. 

 PterylEe, 95. 

 Ptychodrilus, 255. 

 Ptychozoon, 319, 

 Ptyctodontidse, 242. 

 Ptyctodus, 242. 

 Pubis, 171. 

 Puff-bird, 348. 

 Pullastras, 350. 

 Pulmonary artery, 185, 

 Pulp cavity, 19. 

 P*uma, 412. 

 Pupil, 83. 



Pygostyle, 142,331. 

 Pyloric appendages, 38. 

 Pyloric gland, 367. 

 Pyloric stomach, 337. 

 Pylorus,. 34. 



E^rramidalis muscle, 340, 

 Python, 325. 

 Pythonomorpha, 321. 



Quadrate, 158. 

 Quadratus muscle, 340. 

 Quail, 350. 



Rabbits, 391. 

 Raccoon, 412. 

 Raccoon fox, 412. 

 Racemose glands, 90. 

 Rachiodon, 325. 

 Radial artery, 189. 

 Radiale, 176. 

 Radialia, 173. 

 Radius, 176. 

 Radix aortae, 182. 

 Raias, 239. 

 Rail, 349. 

 Raja, 239. 

 Rajidae, 239. 

 Rallus, 349. 

 Ramus dorsalis, 47. 

 Ramus intestinalis, 47. 

 Ramus ventralis, 47. 

 Rana, 287. 

 Ranidas, 287. 

 Rangifer, 399. 

 Raptores, 348. 

 Rasores, 350. 

 Ratitse, 149, 



Rattlesnake, 325. 



Rats, 390. 



Rectal gland, 36. 



Rectrices, 330. 



Rectum, 38. 



Rectus muscle of eye, 84, 



114. 

 Rectiis muscles of trunk, 



113- 

 Reduction division, a^S. 

 Regalecidas, 264. 

 Regalecus, 264, 

 Reindeer, 399- 

 Remiges,330. 

 Remora, 264. 

 Renal artery, 191. 

 Renal portal system, 196. 

 Renal vein, 196. 

 Reproductive organs, 1 24. 

 Rennet, 35. 

 Respiratory tract, 76. 

 Rete, 130. 



Reticulate tarsus, 331. 

 Reticulum, 35. 

 Retractor bulbi, 84. 

 Rhachianectes, 410. 

 Rhachitomi, 283, 

 Rhachitomous, 136. 

 Rhabdopleura, 3. 

 Rhamphastos, 348. 

 Rhampbostoma, 328, 

 Rhea, 346, 

 Rheidse, 345. 

 Rhinencephalon, 52. 

 Rhinoceridae, 395. 

 Rhinoceros, 395, 

 Rhinolophidse, 387. 

 Rhinolophus, 387. 

 Rhinophis, 326. 

 Rhinotrema, 288. 



Rhipidistia, 249. 



Rhombodipterini, 249. 



Rhombus, 263. 265. 



Rhynchocephalia, 313. 



Rhynchodus, 242. 



Rhynchosuchus, 328, 



Rhynchotus, 346. 



Rhytina, 405. 



Rhytinidas, 405. 



Rh>-tiodus, 405. 



Rib, 143. 



Ribbon fish, 264. 



Ribodon, 405. 



Right whale, 410. 



