444 



INDEX 



Pigment cells, 26, 30 



layer, 213 

 Pigmented epithelium, 216 

 Pillar cells, 201 

 Pinealis, 171 

 Pisces, s 

 Pisiforme, 126 

 Placenta, 382 

 Placoid scales, 44, 224 

 Plantigrade, 129 

 Plasma, 28, 286 

 Plastron, 45 

 Platybasic cranium, 68 

 Platysma myoides, 140 

 Plesiosaurs, 6 

 Pleura, 19, 275 

 Pleural cavities, i8 



rib, 60 

 Pleurodont, 96 

 Plexus, 175 

 Plica semilunaris, 218 

 Plicae fimbriatae, 234 

 Plumae, 35 

 Plumulae, 35 

 Pneumatic bones, 282 



duct, 267 

 Pneumatocyst, 266 

 Pneumogastric nerve, 190 

 Podium, 125 

 Poison fangs, 102, 228 



glands, 31, 236 

 Pollex, 126 

 Polymastism, 40 

 Pons varolii, 153 

 Popliteal artery, 306 

 Pori abdominales, 19 

 Portal circulation, 308 



heart, 317 



system, 309, 311 



vien, 309 

 Postbranchial bodies, 264 

 Postcardinal sinus, 317 



vein, 291 

 Postcava, 314, 323 

 Postclavicle, 115 

 Posterior commissure, 154 



septum, 145 

 Postfrontal bone, 76 

 Postminimus, 126 

 Postorbital bone, 76 

 Postparietal bone, 76 

 Postpubic process, 121 



Posttemporal fossa, 77 

 Posttemporals, 115 

 Posttrematic nerves, 182 

 Precava, 323 

 Predentary bone, 96 

 Prefrontal bone, 76 

 Prehallux, 126 

 Premaxillary bone, 77 

 Premolars, 229 

 Prenasal bone, 109 

 Preoperculum, 85 

 PrepoUex, 126 

 Prepubis, 121 

 Presphenoid, 74 

 Pretrematic nerves, 182 

 Prevertebral ganglia, 177 

 Prevomers, 77 

 Primates, 7 

 Primitive groove, 10, 143 



ova, 347 



streak, 10 

 Primordial ova, 347 

 Proatlas, 56 

 Proboscis, 212 

 Procoelous, 50 

 Procoracoid, 116 

 Proctodeum, 13, 220 

 Profundus nerve, 186 

 Pronephric duct, 339 



tubules, 339 

 Pronephros, 337 

 Prootic, 75 

 Propterygium, 124 

 Prostate glands, 376 

 Proterandric hermaphroditism, 354 

 Protovertebrae, 15 

 Protractor muscles, 136 

 Proventriculus, 240 

 Psalterium, 242 

 Pseudobranch, 259 

 Pseudoconch of nose, 2 10 

 Pterodactyls, 6 

 Pterotic, 75 



Pterygoid bone, 77, 108 

 Pterygoideus muscle, 138 

 Pterygopodial glands, 31 

 Pterygoquadrate, 71 

 Pterylae, 35 

 Ptyalin, 235 

 Pubis, 118 



Pubofemoralis muscle, 137 

 Pulmonary circulation, 298 



I 



