INDEX. 



659 



Myotomes, migration of, 295, 314 



practical suggestions for study of, 217, 



3*4 

 tangential splitting of, 295, 314 



Nasvi pigmentosi, 452 

 Nail groove, 446 

 Nail wall, 446 

 Nails, the, 446 



epitrichium of, 447 

 eponychium of, 447 

 lunula of, 447 

 migration of, 446 



practical suggestions for study of, 453 

 replacement of, 447 

 Nanocephaly, 617 

 Nares, outer, 590 



posterior, 590 

 Nasal bone, 198 

 concha?, 590 

 fossa?, 144, 589 

 pit, 152, 320, 589 

 process, lateral, 1 52 



medial, 152 

 sacs, 589 

 septum, 196, 320 

 Naso-frontal process, 151, 318 

 Naso-optic furrow, 146, 151, 589 

 Navicular bone, 204 

 Neck, development of, 149 

 Neck-rump length of embryos, 1 57 

 Neopallial commissure (see also Corpus 



callosum) ,475 

 Neopallium, 474, 47 5. 477- 559 to 5^7 



centrifugal connection (see also 

 Tracts, pyramidal, Cortico-pon- 

 tile fibers and Fibers projection 

 descending,) 47 8 > 479. 553. 5 62 , 

 565 

 centripetal connections (see also 

 Fillets, Thalamic radiations and 

 Fibers, projection, ascending) , 

 47.7, 47 8 - 544. 553. 562, 565 

 Nephrogenic tissue, 39 5 

 Nephrostomes, 389 

 Nephrotomes, 391 

 Nereis, cleavage in, 48 

 Nerve fibers, afferent peripheral, 4 58, 493 



efferent peripheral, 459 

 Nerves, cranial, abducens, VI, 469. 5 22 



nucleus and roots of, 495, 522, 524, 

 531 

 acoustic, (auditory) VIII, 469. 47 2 > 

 506, 507, 510, 525, 598 

 cochlear root, 507, 598 

 cochlear ganglion, 506, 598 



part, 469, 472 

 vestibular ganglion, 506, 598 



part, 469, 47 2 



vestibular root, 507, 510, 525, 598 



facialis, VII, 469. 47 1 



afferent roots, solitary tract, 506, 



5 2 5 

 chorda tympani, 505 

 efferent nucleus and roots of, 495. 



524 

 geniculate ganglion of, 505, 598 



Nerves, great superficial petrosal branch, 



5°5 

 glossopharyngeus, IX, 469, 471 

 afferent part of, 469 

 afferent roots, 506 

 efferent nucleus and efferent root 



of, 495 

 ganglion of the trunk (petrosum), 



5°2 



of the root, 502 

 lingual and tympanic banches of, 



5°5 

 hypoglossus, XII, 469, 522 



nucleus and roots of, 495, 531 

 lateral line, 469 

 olfactory, I, 474, 475, 508, 512 



terminal nuclei, or mitral cells of 

 the olfactory bulb, 512 

 optic, II, 461, 474, 512, 537, 586 



ganglion cells of, 512 

 oculomotor, III, 469 



nucleus and roots of, 495 

 somatic, 469 to 472 

 spinal accessory, XI, 471, 502 



efferent fibers of, 503 

 nuclei and roots of, 495 

 splanchnic, 467 to 472 

 trigeminus, V, 467, 469, 471 



afferent root (portio major), and 

 spinal V, 467, 508, 510, 525 



efferent nuclei and roots of, 495 



Gasserian or semilunar ganglion, 



467, 5°7 

 mandibular branch, 507 

 maxillary branch, 507 

 mesencephalic root of, 530 

 opthalmic branch, 507 

 trochlear, IV, 469 



nucleus and roots, of, 49 s 

 vagus, X, 469, 471 

 afferent roots, 506 

 efferent fibres of, 503 



nuclei and roots of," 49 5, 524 

 ganglia of root, 502 

 ganglion of trunk (nodosum), 502 

 Nerves, spinal, peripheral, dorsal branch 

 of, 494, 497 

 ventral branch, 494, 497 

 Nervous system, the, 4 54 

 anomalies of, 567 

 anterior neuropore, 458 

 brain, 460 



central distinguished from peri- 

 pheral, 456 

 cerebrospinal ganglia, 45 8 

 components of, afferent and effer- 

 ent, 454 

 derivation of, 458 _ 



epichordal segmental brain and 



nerves, 466 

 general considerations of, 454, 4 55 

 human, 496 

 nerve fibres, 4 5 8 

 neural crest, 458 

 folds, 4 5 8 

 groove, 458 . 

 plate, 458 



