SNDEX. 



521 



Myxine, peritoneum of, 458. 



teeth of, 257. 

 Myxinoids, heart of, 410. 



mouth of, 435. 



skull of, 113. 



urinary organs of, 481. 



N. 



Nails, 236, 238. 



formation of, 244. 

 Nakedness of skin, 243. 

 Nares, anterior, 76. 



posterior, 76, 88. 

 Narwhal, 16. 



spleen of, 484. 



teeth of, 257, 262. 

 Nasal artery, 413. 



bone, 75, 76, 85, 91, 100, 103, 114, 

 116, 117, 121, 227. 



cavity, 380. 



fossae, 92, 139. 



process, 84. 



region, muscles of, 309. 



spine, 84. 



vein, 391. 

 Nates, 371-373. 

 Nature of man as a whole, 497. 

 Naviculare, 184186, 204, 205, 207, 



209, 210. 

 Neck, muscles of, 233, 308. 



of a bone, 24. 



of femur, 181, 182, 196. 



of mandible, 86. 



of radius, 148. 



of rib, 35, 70, 216. 



of scapula, 146. 

 Nerve, auditory, 392. 



chorda tympani, 80. 



eighth, 396. 



facial, 80, 396. 



fifth, 82, 83, 105, no, 391. 



fourth, 83, 390. 



glosso-pharyngeal, 88, 397. 



hypoglossal, 78, 98, 132, 399. 



ninth, 399. 



olfactory, 380 {See also Olfactory 

 Nerve). 



optic, 83, 387 (See also Optic 

 Nerve). 



par vagum, 88. 



seventh, 105, 396. 



sixth, 83, 390. 



spinal, 399. 



spinal accessory, 88. 



third, 83, 390. 

 Nerves, development of, 404. 



of the arm, 401. 



of the leg, 402. 



of special sense, 399. 



origin of the, 390. 



Nerves, roots of, 399. 

 Nervous centres, 4. 



system, 365, 4 oo, 405. 

 Nervus impar, 386. 



laterahs, 397399, 428. 



vagus, 397, 398. 

 Neural arch, 26, 226. 



canal, 218. 



lamina, 27. 



spines, 27, 217, 226, 239, 242. 



spines, expanded, 239. 

 Newts, 19. 



Nictilating membrane, 389. 

 Night-ape (an American Primate), 



SKull of, 138. 

 Ninth nerve, 399. 

 Nipples, 489. 



N octilio (3. Bat), limb-bones of, 207. 

 Is octule Bat, liver of, 455. 

 Nose, 380, 434. 

 Nose-leaf, 380. 

 Nostrils, anterior, 76. 



posterior, 76. 



Notochord, 5, 12, 36, 218. 

 Nycticebinas, muscles of, 331. 

 Nycticebus, 15. 



limb-bones of, 201. 



muscles of, 321, 330, 332, 334,^40, 

 354. 356, 358, 3&2- 



teeth ol, 261. 

 Nyctipithecus(an American Ape), skull 



of, 132, 138. 

 Nuchal plate, 238, 242. 

 Number of mammae, 489. 



of skeletal parts, 214. 



of teeth, 257. 



O. 



Obliquus capitis muscle, 291. 



inferior muscle, 286. 



superior muscle, 285. 



tertius muscle, 342, 343. 

 Obturator foramen, 178, 180, 189. 



externus muscle, 300, 302, 342, 344. 



internus muscle, 301, 302, 342, 344. 



tertius muscle, 342, 343. 

 Occipital angle, 92, 135, 136. 



bone, 75, 77, 88, 91, 97. ._ . 



condyle, 75, 114, 117. 



foramen, 74, 77. 



gland, 486. 



region, 77. 



Occipito-frontalis muscle, 283, 308. 

 Occiput, 74. 

 Octopus, 6. 



Odontaspis (a Shark), teeth of, 269. 

 Odontoglossum (a Teleostean Fish), 20. 



teeth of, 255. 

 Odontoid bone, 54, 217. 



process, 30, 54, 217. 

 OZsophageal teeth, 276. 



