Subject Index 



817 



Myelon, 145 {see also Spinal cord) 



Myenteric plexus, 174 



Mylohyoid muscle, 199 



Myocardium, 286 



Myocoele, 269, 277, 278, 279 



Myocomma, 89, 91, 269 



Myofibrils, 311, 312 



Myomeres, 89, 90, 91 



Myoseptum (s), 89, 91, 269 



Myotomes, 81, 83, 89, 91, 96, 99, 110, 213, 



269, 271, 275, 278, 279 

 Myrmecobius, 774 

 Myrmecophaga, 743 

 Myrmecophagous, 569 

 Mystacoceti, 765 

 Myxine, 225, 233, 275, 413, 414, 41.5 



N 

 Nail(s), 19, 576 

 Nail-plate, 576 

 Naris, 198 



Narwhal, 13, 16, 765 

 Nasal (s) (bone), 107, 125, 199 



cavity, 14, 195, 197, 198, 199, 677 

 glands of, 183 



chamber, 414 



epithelium, 195, 675 



labyrinth, 677 



muscles, 98 



nerve, 178 



organs, 112, 116, 476 (see also Olfactory 

 organs) 



passages, 610, 674 



region, 121, 124, 475 



scrolls, 674 

 Nasociliary nerve, 178 

 Nasolacrimal duct, 686 

 Nasopalatine duct, 475, 678 

 Nasoturbinal, 674 

 Natural selection, 345, 366 

 Neanderthal man, 771 

 Neck, 16, 17, 168, 175 



of mammals, 591-593 



muscles of, 288, 594 



of tooth, 35, 36 

 Necturus, 61, 64, 84, 92, 114, 2A4, 240, 

 287, 288, 452, 461, 473 



maculosus, 443 

 Neencephalon, 704 

 Neoceratodus, 55, 437 

 Neognathae, 543, 544 

 Neornithes, 543 

 Neoteny, 445 

 Nephrogenic tissue, 86 

 Nephrostome(s), 82, 84, 85, 87, 277, 280 

 Nerve(s), 141, 143, 281 



abducent, 100, 163, 164 



accessory, 168, 183, 481, 482 



acoustic (auditory), 160, 692, 715 



afferent, 159, 184 



autonomic, distribution of, 183-186 

 functional components of, 179-183, 

 180 



bronchodilator, 178 



buccal, 160, 165 



Nerve (s) — (Continued) 

 centers in brain, 157, 158 

 cervical, 177, 184 



chorda tympani, 160, 161, 166, 178 

 classes of, 157-159 

 coccygeal, 177 

 cochlear, 166 

 collector, 172 



cordis (accelerator and inhibitor), 178 

 cranial, 99, 100, 159-169, 160, 183, 451, 

 481, 482, 537, 713, 714, 715 



groups of, 168, 169 

 efferent, 159, 184 

 electric, 441 



facial, 100, 164, 179, 198, 214 

 fibers, 142, 153, 180, 272 



afferent, 142, 179, 182, 211 



efferent, 142, 179, 182, 717 



parasympathetic, 178 



postganglionic, 171, 178, 184 



preganglionic, 171, 178, 184, 21!) 



sensory, 140, 160, 171, 184 



somatic, 171, 182 



sympathetic, 178 



visceral, 171 

 gastric, 161 



glossopharyngeal, 166, 179 

 hyoid, 160, 161 

 hyomandibular, 161, 166 

 hypogastric, 178, 185 

 hypoglossal, 168, 481, 482 

 lacrimal, 178 

 lateralis, 161, 165 

 lingual, 178 

 lumbar, 177 



mandibular, 160, 161, 164, 165, 166 

 maxillary, 160, 161, 164 

 mixed, 160 

 motor, 159, 160, 182 

 nasal, 178 

 nasociliary, 178 



oculomotor, 100, 162, 163, 178, 179 

 olfactory, 143, 162, 198 

 ophthalmic, 160, 161, 164 

 optic, 150, 162, 163, 201, 202, 203, 204, 



273, 711, 713 

 palatine, 160, 161, 166 

 pelvic, 178, 185 

 petrosal, 178 

 phrenic, 213 



post-trematic, 160, 161, 166, 167, 169 

 pretrematic, 160, 161, 166, 167, 169 

 in pulp-cavity, 37, 38 

 sacral, 177 



sensory, 159, 160, 182 

 somatic, 160 



spinal, 169-173, 170, 177, 180, 184, 272 

 spino-occipital, 168 

 splanchnic, 177, 178, 179, 185 

 structure of, 319 

 terminations, free, 193, 194, 195, 212, 



308, 309 

 thoracic, 177 

 trigeminal, 42, 161, 164 

 trochlear, 100, 163, 164 



