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 



Perimeningeal space, 151 



Perimysium, 21, 128 



Perin curium, 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 nssure, 74 



Phaeochrome cells, 352 



Phalanges, 116 



Pharyngeal bones, 80 

 derivatives, 245 

 plate, 205 

 tonsils, 247 



Pharyngobranchial, 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 20 r 

 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, 2 13 

 Plexus, chorioid, 144 

 Plexuses, 163 

 Plica fimbriata, 219 



semilunaris, 203 

 Plumae, 31 

 Plumulag, 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 



nssure 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, in 

 Presphenoid, 67 

 Presternalia, 109 

 Pretrematic nerves, 175 

 Prevertebral ganglia, 163 

 Prevomer, 69 



