720 



INDEX 



Nasal septum, 30, 225, 227 



Nasalis m., 274 



Nasobuccal grooves, 343. 574. 577? 577 



Nasohypophysial invagination, 636 



Nasolacrimal duct, 227, 588 



groove, 574, 577 



passage, 576 

 Nasopharyngeal cavity, 575 

 Natural selection, ix, x 

 Nautilus, 14 

 Navicular, 249, 250, 252 

 Neanderthal, 32, 33, 224, 225, 628 

 Neck, 107, 193 

 Necrobiotic, 180 



Necturus (mud puppy), 25, 39, 51 

 Negrito, 33 



Negro(id), 32, 33, 179, 192 

 Nemathelminths (thread worms), 4, 8, 9, 



Nematode (round worm), 8, 9, 628 

 Nemerteans, 7, 8, 349, 628 



hypothesis, 657-659 

 Neocortex (neopallium), 498, 510, 544 

 Neopallium (neocortex), 491, 493, 498, 544 

 Neostoma, 297, 298 

 Neostriatum, 491, 503, 504 

 Nephridiopores, 11, 400 

 Nephridial, 10 

 Nephridium(a), 9, 10, 11, 12, 21, 351, 400, 



409, 631, 632 

 Nephrogenic cord, 433, 434 



tissue (cord), 406, 435, 435, 437, 438 

 Nephrostome, 11, 21, 96, 98, 400, 401, 



403, 404, 431 

 Nephrotome, 405, 430 

 Nerve(s), 21, 99, 147, 148, i49> ^-5°, 47i. 

 634, 654 



cell, 146 



chain, 9 



components, 147, 150, 522-524 



cord, 7, 8, II, 18, 475, 476, 476, 491, 

 652 



cranial, 482 



development, 552-560 



fiber, 85, 146, 413, 516 



histogenesis, 552, 558 



net, 470, 471 



nucleus, 527, 529, 530 



ring, 8, 10 



root, 514 



terminations, 565, 566, 567 



tract, 517 



Nerves, abducens, 482, 513, 523, 529, 622,625 

 accelerator cordis, 537 

 accessory, 482, 530, 626 

 acoustic (auditory), 482, 523, 529 

 afferent, 520 



auditory (acoustic), 482, 483, 603 

 autonomic, 536, 537 

 bronchodilator, 537 

 buccaUs, 483, 484 

 cerebrospinal, 522, 537 

 cervical, 537 



chorda tympani, 529, 537 ' 

 coccygeal, 537 

 cochlear, 523, 529, 602, 604 

 collector, 534, 633 

 cranial, 482, 488, 489, 490> 522, 524, 



609, 621, 623, 625, 654 

 dorsal, 8, 478 

 erector, 429, 537 

 erigens, 537 



facialis, 482, 489, 523, 529, 609 

 gastric, 484 

 glossopharyngeal, 482, 484, 485, 523, 



529, 609 

 hyoid, 484 

 hyomandibular, 484 



hypogastric, 537 



hypoglossal, 482, 485, 489, 493, 514, 

 523, 53°, 626 



inhibitor cordis, 537 



lacrimal, 537 



lateral, 8, 480, 482, 483, 484, 485, 49° 



lingual, 537 



lumbar, 537 



masticator, 527 



maxillaris, 483, 484, 537 



motor, 516 



nasal, posterior, 537 



nasociliary, 537 



oculomotor, 482, 489, 523, 527, 537, 

 611, 625 



olfactory, 482, 526 



ophthalmic, 482, 484, 489, 537, 609 



optic, 482, 510, 526, 636 



palatine, 484 



parasympathetic, 536 



parietal, 592 



pelvic, 537 



petrosal deep, 537 

 superficial, 537 



pharyngeal, 530 



phrenic, 342 



