INDEX 



445 



Pulmonary vein, 315 

 Pulmones, 252 

 Pulp cavity, 225 

 Pygostyle, 59 

 Pyloric caeca, 242 



glands, 240 

 Pylorus, 239 

 Pyramidalis muscle, 135 

 Pyramids, 150, 152 

 Pyriformis muscle, 137 



Quadrate bone, 77 

 Quadratojugal bone, 77 



Radial artery, 306 

 Radialia, 112, 126 

 Radix aortae, 290, 299 

 Radius, 125 

 Ramus dorsalis, 174 



intestinalis, 174 



ventralis, 174 



visceralis, 174 

 Rathke's pocket, 221 

 Rectal gland, 244 

 Rectum, 244 

 Rectus abdominis muscle, 135 



capitis muscles, 136 



muscles, 133, 135 

 Recurrent bronchi, 283 



nerve, 188 

 Renal arteries, 291, 307, 327 



corpuscle, 336 



portal system, 311 

 Rennet, 242 

 Reproductive ducts, 349 



organs, 346 

 Reptiles, brain, 168 



circulation, 320 



dermal skeleton, 45 



gill-clefts, 253 



girdles, 116, 120 



intestine, 245 



larynx, 271 



legs, 127 



lungs, 278 



lymph system, 333 



oral glands, 236 



ribs, 63 



Reptiles, scales, 45 



skin, 33 



skulls, 95 



sternum, 65 



stomach, 240 



thymus, 263 



thyreoid, 266 



tongue, 233 



trachea, 274 



urogenital organs, 365 



vertebrae, 58 

 Reptilia, 6 



Respiration of embryo, 379 

 Respiratory circulation, 298 



duct, 208 



organs, 251 

 Rete mirabile, 268 

 Retia mirabilia, 387 

 Reticulum, 343 

 Retina, 214 

 Retinal artery, 216 



layer, 213 



vein, 216 

 Retractor bulbi, 133, 318 



muscles, 136 

 Retrolingual gland, 337 

 Revehent veins, 315 

 Rhachis, 35 

 Rhachitomous, 53 

 Rhinal fissure, 170 

 Rhinencephalon, 148 

 Rhynchocephals, 7 

 Ribs, 60 



Riel, island of, 158 

 Rodentia, 7 

 Rods of eye, 214 

 Roof plate, 144 

 Rostral bone, 96 



cartilage, 84 

 Rostrum sphenoidale, 105 

 Rotator muscles, 137 

 Rumen, 343 



Sacculo-utricular canal, 198 

 Sacculus, 198 



. endolympbaticus, 198 

 Sacral artery, 305 



plexus, 17s 



ribs, 63 



vertebrae, 55 



