INDEX. 



397 



Prezygapophysis, 46 

 Primitive groove, 10 



ova, 319 



streak, 10 



Primordial ova, 31^ 

 Process, articular, 46 



transverse, 46 

 Procoelous, 46 

 Procoracoid, 107 

 Proctodeum, 13, 006 

 Pronephric duct, 312 



tubules, 311 

 Pronephros, 310 

 Prootic, 67 

 Propterygium, 115 

 Prosencephalon, 141 

 Prostate glands, 342 

 Prostemum, 58 



Proterandric hermaphroditism, 346 

 Proteroglypha, 213 

 Protocone, 214 

 Protoconid, 214 

 Protovertebras, 14 

 Protractor muscles, 13 1 

 Proventriculus, 225 

 Psalterium, 227 

 Pseudobranch, 241 

 Pseudoconch, 194 

 Pterotic, 67 

 Pterygoid bones, 69, 80 



muscle, 133 



Pterygoquadrate, 63, 69 

 Pterylae, 32 

 Ptyalin, 220 



Pubofemoralis muscle, 132 

 Pubis, 109 

 Pulmonary arteries, 283 



circulation, 282 



veins, 292 

 Pulmones, 236 

 Pulp of tooth, 210 

 Pupil, 202 

 Pygostyle, 53 

 Pyloric caeca, 227 



gland, 224 

 Pylorus, 223 

 Pyramidalis musde, 130 

 Pyramidal tracts, 150 

 Pyriform lobes, 159 

 Pyriformis muscle, 132 



Quadrate bone, 69, 74 

 Quadra togugal bone, 70 

 Quadritubercular, 214 



Radial artery, 288 



cells, 200 

 Radiale, 117 

 Radialia, 103 

 Radius, 116 

 Radix aortas, 273 

 Rami communicantes, 163 

 Ramus dorsalis, 162 



Ramus intestinalis, 162 



of tenth nerve, 176 



lateralis accessorius, 173 

 of tenth nerve, 176 



ventralis, 162 



visceralis, 162 

 Rathke's pocket, 148, 206 

 Rectal gland, 228 

 Rectum, 228 

 Rectus abdominis muscle, 130 



capitis muscles, 131 



muscles, 128, 130 



of eye, 128 

 Red spots, 249 

 Reissner's fibres, 151 

 Renal artery, 286, 300 



corpuscle, 309 



portal system, 280 

 Rennet, 227 

 Respiration, accessory structures, 263 



mechanism of, 263 

 Respiratory circulation, 282 



duct, 194 



organs, 235 

 Reproductive ducts, 321 



organs, 308, 319 

 Reptiles, see also Sauropsida, Amniotes. 



aortic arches, 283 



brain, 157 



circulation, 299 



copulatory organs, 344 



dermal skeleton, 41 



gill pouches, 244 



girdles, 107, in 



glands, 30 



intestine, 229 



larynx, 251 



limbs, 118 



lungs, 258 



scales, 30 



skull, 87 



thymus, 246 



thyreoid, 247 



tongue, 217 



vertebral column, 52 

 Rete mirabile, 249, 267 

 Reticulum, 227 

 Retina, 199 

 Retinal artery, 201 



ganglion, 200 



layer of eye, 198 



vein, 201 

 Retractor bulbi, 128, 203 



muscles, 131 

 Retrolingual gland, 221 

 Revehent vein, 291 

 Rhachitomous, 48 

 Rhinencephalon, 141 

 Ribs, 53 



abdominal, 41 

 Rods of eye, 199 

 Roof plate, 138 

 Roots of spinal nerves 161 



