396 



INDEX. 



Pepsin, 224 



Pericardial cavity, 14, 123 



fluid, 269 



Pericardio-peritoneal canals, 123, 271 

 Pericardium, 124, 269 

 Perichondrium, 39 

 Periderm, 25 

 Peridural space, 152 

 Perilymph, 186 



duct, 1 86 



Peritneningeal space, 151 

 Perimysium, 21, 128 

 Perineurium, 20 

 Periosteum, 24, 39 

 Peripheral nervous system, 161 

 Peristalsis, 207, 227 

 Peritoneal canals, 124 



cavity, 14, 123 

 Peritoneum, 124 

 Permanent dentition, 211 

 Peroneal artery, 288 

 Perpendicular plate of ethmoid, 100 

 Pes, 116 

 Pessulus, 255 

 Petrosal bones, 67 



ganglion, 175 

 Petrotympanic fissure, 74 

 PhEochrome cells, 352 

 Phalanges, 116 

 Pharyngeal bones, 80 



derivatives, 245 



plate, 205 



tonsils, 247 



Pharvngobranchial, 65 

 Pharynx, 207, 222, 236 

 Phosphorescent organs, 28 

 Photophores, 28 

 Phyllospondylous, 47 

 Physiology, i 

 Physoclistous, 248 

 Physostomous, 248 

 Pia mater, 152 

 Pigment cells, 22, 26 



layer of eye, 198 



Pigmented epithelium of eye 201 

 Pillar cells, 186 

 Pinealis, 147 

 Pisiforme, 117 

 Pituitary body, 148 

 Placenta, 318, 351 



vitelline, 348 

 Placoid scale, 40 

 Plantigrade, 120 

 Plasma, blood, 265 

 Plastron, 41 

 Platybasic skull, 61 

 Platysma myoides, 134 

 Pleura, 124 

 Pleural cavities, 123 



rib, 53 



Pleurapophysis, 46 

 Pleurocentrum, 47 

 Pleurodont. 88 



Pleurodont dentition, 213 

 Plexus, chorioid, 144 

 Plexuses, 163 

 Plica fimbriata, 219 



semilunaris, 203 

 Plumae, 31 

 Plumuke, 31 

 Pneumatic bones, 96 



duct, 248 



Pneumatocyst, 247 

 Pneumogastric nerve, 176 

 Podium, 116 

 Poison glands, 27, 221 

 Pollex, 117 

 Polymastism, 37 

 Polyphyodont denition, 211 

 Pons (Varolii), 150 

 Pontal flexure of brain, 144 

 Popliteal artery, 288 

 Pori abdominales, 124, 322 

 Portal circulation, 277 



heart, 294 



vein, 277 



Postbranchial bodies, 246 

 Postcardinal vein, 279 

 Postcava, 290 

 Postclavicle, 106 

 Posterior chamber of eye, 203 



column of cord, 139 



cornua, 139 



fissure of cord, 139 



horns of cord, 139 



lymph sac, 303 

 Postfrontal bone, 69 

 Posthepatic digestive tract, 206 

 Postminimus, 118 

 Postorbital bone, 69 

 Postotic nerves, 175 

 Postparietal bone, 69 

 Postpermanent dentition, 212 

 Postpubic process, 112 

 Post-temporal bone, 106 



fossa, 71 



Post-trematic nerves, 175 

 Postzygapophysis, 46 

 Precava, 300 

 Predentary bone, 88 

 Prefrontal bones, 69 

 Prefrontals of birds, 96 

 Prehallux, 118 



Prehepatic digestive tract, 206 

 Prelacteal dentition, 212 

 Premaxillary bone, 70 

 Premolars, 213 

 Prenasal bone, 100 

 Preoperculum, 77 

 Prepollex, 118 

 Prepubic process, n i 

 Presphenoid, 67 

 Presternalia, 109 

 Pretrematic nerves, 175 

 Prevertebral ganglia, 163 

 Prevomer, 69 



