368 



INDEX 



Plethodon, 9; Pletliodontinse, 7, 9. 

 Plexus, Auerbach's, 299; brachial, 



289 ; cceliac, 299 ; ischio-coccygeal, 



291 ; lumbo-sacral,29o; Meissner's 



299 ; sciatic, 290 ; solar, 299 ; 



urogenital, 299. 

 Poison glands, 183. 

 Polar bodies, 86. 

 Porta! system, hepatic, 153, 277; 



renal, 277. 

 Portal vein, 153, 277. 

 Postbranchial body, 225. 

 Prehallux, 65, 244. 

 Premaxilla, 233. 

 Primitive groove, 99. 

 Procoracoid, 239. 

 Procoracoidal body, 225. 

 Proctodeum, 106. 

 Pronephros, 113; duct of, see 



Segmental duct. 

 Prootic, 229. 

 Proteidae, 3. 

 Proteids, 137. 

 Proteus, 3, 351. 

 Pseudobranchus, 4. 

 Pseudothyroid, 109, 224. 

 Pterygoid, 232. 

 Pubis, 243. 

 Pulmocutaneous arch, artery, 268, 



272. 



Pulmonary artery, 272; vein, 273, 



275- 

 Pulvinar rostrale, 68. 



Pyloric glands of stomach, 141. 

 Pylorus, 74, 138. 



Quadrate, 235. 

 Quadrato-jugal, 233. 



Radiale, 242. 

 Radio-ulna, 241. 

 Rana, 18, 194. 

 Rana agilis, 18. 

 Rana arvalis, 45, 187. 

 Rana Catesbiana, 18, 19, 41, 215, 

 216. 



Rana clamitans, 19, 20, 41, 339, 346. 



Rana esculenta, 24, 35, 41-45. 47. S^. 



60, 160, 168, 175, 186, 205, 206, 216, 



223, 338. 346- ■ 

 Rana fusca, 25, 44-48, 50, 51, 59, 70, 



87, 175, 183, 186, 187, 205, 206, 216, 



289, 321. 

 Rana grylio, 19. 

 Rana halecina, 46. 

 Rana muta, 25. 

 Rana oxyrhina, 44, 187. 

 Rana palustris, 21, 99. 

 Rana pipiens, 20, 23, 24, 27, 31, 37- 



44, 66, 67, 71, 215, 216, 222, 346. 

 Rana sylvatica, 20, 24, 45, 354. 

 Rana temporaria, 18, 34, 35, 36, 41, 



43. 45. 49. 160. 

 Ranatra, 39. 

 Rectum, 74, 151. 

 Reflex action, 300, 305, 314. 

 Regeneration, 54. 

 Renal portal system, 206, 276; renal 



veins, 206, 274. 

 Reproductive organs, 35, 74, 115, 212. 



Respiration, 168=177. 



Respiratory movements, 168. 

 Retina, 104, 327. 

 Rhabdonema nigrovenosa, 40. 

 Righting movements, 30. 

 Rods and cones of retina, 329. 



Sacculus, 335. 



Saccus endolymphaticus, 335. 

 Sagittal fissure, 294 ; suture, 232. 

 Salamandra atra, 9; maculosa, 9. 

 Salamandridas, 3, 7. 

 Salamandrinas, 7, 9. 

 Sarcolemma, 129. 

 Sarcomeres, 130. 

 Sarcoplasm, 130. 

 Scaphiopus Holbrobki, 12. 

 Scapula, 239. 

 Schmidt, incisures of, 131. 

 Sciatic nerve, 292; plexus, 291. 

 Sclerotic coat, 324, 326. 

 Seasonal changes, 33, 159, 188, 214, 

 217, 262. 



