724 



INDEX 



Parasitic, 4, 8, 9, 14 

 Parasphenoid, 220 

 Parasympathetic, 539 



nerves, 536 



plexus, 472 

 Parathyroid, 90, 337, 458 



endocrine, 459 



extract, 458, 459 

 Parental protection, 46, 56, 58 



tissue, 51 

 Parietal, 82, loi, 218, 225, 226, 228 



cells, 310, 311 



eye, 507, 590, 591, 592, 592, 654 



lobe, 500, 501 



nerve, 592 



organ, 491, 507, 590, 591, 592 



outgrowth, 505, 591 



pleura, 340 

 Parker, G. H., xiii, 229 

 Paroophoron, 407, 413, 422, 442 

 Parotid, 301, 326, 327 

 Parrot, 38 



Pars intermedia, 462, 463, 464, 465, 465, 

 466 



nervosa, 462, 465, 466, 548 



tuberalis, 462, 464, 465, 466 

 Patagonian, 178 

 Patella, 13, 251, 252, 257 

 Patten, B., viii, 93, 379, 380, 381, 383, 509, 



518 

 Patten, W., 15, 24, 643, 652-657 

 Patten's hypothesis, 652-657 

 Patterns, 168 

 Pearl (s), 13 

 Peccaries, 219 

 Pectineus m., 283 

 Pectoral, 246 



fin, 236, 241 



girdle, 238, 241, 244, 247 

 Pectoralis major m., 281 



minor m., 281 



muscle, 248 

 Pedal ganglion, 1 2 

 Pedicle, 207 

 Peduncle cerebral, 513, 549 



inferior (restiform bodies), 512 



middle, 512 



superior, 512 

 ventral, 503 

 Peking man, 32, 495, 628 

 Pelagic (eggs), 46 

 Pelecypoda, 13 



Pelvic, 29, 246 



fin, 236, 238, 414 



girdle, 238, 239, 240, 246 



muscles, 284 



vein, 354 

 Pelvis, 251, 434 



renal, 416, 419 

 Penis, 7, 4I3j 4i5, 427. 428, 429 



crura, 429 



glans, 415, 427, 429, 444 

 Pennsylvanian, 34 

 Pepsin, 311 



Pepsinogen granules, 310, 311 

 Peptone, 311, 326 

 Perennibranch, 230 

 Perforation, 87 



Peribranchial cavity, 18, 19, 20, 335, 661 

 Pericardial cavity, 12, 19, 107, 353, 387 

 Pericardium, 107, 343 

 Pericellular, 523 

 Perichondral, 103 



bone, 103, 104 

 Perichondrium, 103, 104, 155 

 Periderm, 168 



Perilymph, 596, 599, 601, 602, 604 

 Perilymphatic cavity, 601 

 Perimysium, 145 

 Perineum, 318, 437 

 Perineurium, 150, 150 

 Periosteum, 104, 157, 562, 601 

 Peripatus, 15, 300, 301 

 Peripheral, 87 



nervous system, 65, 495, 522 



sinus, 386 

 Periphery, 62 

 Perissodactyls(a), 28, 32 

 Peristalsis, 309, 322 

 Peritoneum(al), 11, 21, 63, 84, 94, 99, 



100, 102, 325 

 Peritoneal layer, loi, 416 

 "Permanent larvae," 51 

 Permian, 34, 187 

 Peroneal artery, 379 

 Peroneus brevis m., 283 



longus m., 283 



tertius muscle, 283 

 Petromyzon, 23, 23, 31, 299, 336, 458, 



494, 663 

 Petromyzon marinus, 229 

 Petrosal, 227, 228, 236 



ganglion, 529 

 Pflueger's egg tubes, 441 



