542 



GENERAL INDEX. 



Nerves, limitation of the rate of stimulation in, 



ii, 126 

 lingual, gustatory function of, ii. 410 

 medullation of. ii. 180 



non-mcdullated, rate of conduction in. ii. 90 

 of common sensation, central conduction 



paths of, ii. 230 

 of cutaneous sensations, central conduction 



paths of, ii. 233 

 of dermal sensation, una of distribution of, ii. 



23] 

 of invertebrates, rate of conduction in, ii. 91 

 of taste, nuclei of origin of, ii. 236 

 of temperature, ii. -'197 



of tile bile \e-scls. i. 248 



of Wrisberg intermedins), central path of, 



ii. 236 

 olfactory, central paths of, ii. 241 

 o[itic, central paths of, ii. 238 

 phrenic, i. 463 

 rate of conduction in. ii. B9 

 secondary degeneration of. ii. 197 

 septal, of the frog's heart, i. 166 

 specific energy of, ii. 232 

 splanchnic, i. 1?:; 

 trigeminal, i. 463 



centra] paths of, ii. 238 

 vagus, course of the afferenl fibres in, ii. 236 

 Nerve-trunk-, isolated conduction in, ii. 79 

 Nervi erigentes, ii. 464 



intestinal branches of, i. 385 

 Neukomm's test for bile acids, i. 545 

 Neuridin, i. 5 13 

 Neurin, i. 5 13 



Neuroblast, development of, ii. 176 

 Neurogenic theory of the causation of the 



heart-beat', i. 149 

 Neuro-keratin, i. 580 



of nerves, ii. 169 

 Neuromuscular spindle, ii. 390 

 Neurone, definition of, ii. 17;; 

 Neurones, ii. 21 

 afferent, to the spinal cord, ii. 203 

 changes in number and size of, ii. 280 

 conduct ion in, ii. 97 

 connection by, ii. 206 

 double conduction in, ii. 185 

 increase in number of, during growth, ii. 282 

 internal structure of, ii. 179 

 polarity of, ii. 184 

 total number of, ii. 2S3 

 Neutral salts, effects of, on blood coagulation, i. 



62 

 Neutrophils, i. 47 



Nicotin, action of, on end-plates, ii. 27 

 on intestinal movements, i. 384 

 on secretory nerves, i. 229 

 on sympathetic ganglia, ii. 219 

 Nissl method for nerve-cells, ii. 195 

 substance, iron in. ii. 191 

 of nerve-cells, ii. 179 

 Nitric oxide, i. 512 



hemoglobin, i. 39. 512 

 Nitrogen equilibrium, definition of, i. 344. 512 

 free, of muscles, ii. 168 

 history of. in the body. i. 512 

 inhalation, i. 440 

 occurrence of, i. 510 

 of the feces, i. ::■-'" 

 preparation of. i. 510 



tension of the hi I. i. 117 



Nitrogenous equilibrium, definition of, i. 344. 

 512 

 excreta of milk, i. 262 



of sweat, i. 259 

 extractives of muscle, ii. 166 

 of the spleen, i. 333 



Nitrogenous metabolism, estimation of, i. 343 

 Nitrous oxide, inhalation of, i. 440 



properties of, i. 512 

 Nodal point in the simplest dioptric system, ii. 



301 

 Nceud vital, i. 456; ii. 236 

 Noises, definition of, ii. 388 

 Non-medullated nerves, rate of conduction in, 

 ii. 90 



stimulation fatigue of, ii. 180 

 Non-polarizable electrodes, ii. 29 



Nose, anatomy of, ii. 408 



respiratory tract of, ii. 408 

 Nucleic acid, i. 579 

 Nuclein bases, i. 552 



composition, i. 556, 579 

 Nucleo-histon of the blood-plates, i. 49 



relation of, to intravascular clotting, i. 61 

 Nucleo-proteids, classification of, i. 577 



properties of, i. 579 

 Nucleus, functions of, i. 22 



relation of, to oxidation, i. 503 

 Nutrition of living matter, i. 18 

 of nerve-cells, ii. L90 

 of the embryo, ii. 475 

 Nutritive control of nerve-cell bodies over 

 nerve-fibres, ii. \\\> 

 value of albuminoids, i. 349 

 of carbohydrates, i, 353 

 of fats, i. 350 

 of proteids, i. 276, 345 

 of salts, i. 354 

 of water, i. 354 

 Nymphse, ii. 462 

 Nystagmus after cerebellar injury, ii. 272 



Obliquus externus. respiratory action of, i. 

 407 



interims, respiratory action of, i. 407 

 Occlusion of the bile-duct, effect of, i. 249 

 Oculomotor nerve, ciliary fibres of, ii. 311 



relation of, to the iris, ii. 323 

 Odors, ii. 410 

 CEderna, i. 148 



of the glottis, ii. 422 

 Oesophagus, deglutition in the, i. 374 

 Oils, effect of, on gastric secretion, i. 241 



on pancreatic secretion, i. 236 

 Old age of the central nervous system, ii. 295 

 (defines, i. 542 

 Oleic acid, i. 541-560 

 Olfactory area of the cortex, ii. 253 



cells, ii. 408 



epithelium, ii. 408 



nerves, central paths of. ii. 241 



paths lot he brain, ii. 109 



stimuli, conditions affecting, ii. 409 



tracts, section of, in sharks, ii. 264 

 Omo-hyoid muscle, ii. 425 

 Oncometer, i. 255 



Ontogenetic development of nerve-cells, ii. 177 

 Onychodromus, reproduction of, ii. 442 

 ( >ocyte. ii. 451 



Oophorin tablets, action of, i. 274 

 Opening of the chest, effect of, on heart, i. 115 

 ( > | >l 1 1 halmometer, ii. 304 

 I ipht halmoscope, ii. 326 



Opium, effect of, on respiratory rhythm, i. 425 

 optic commissure, decussation of optic fibres in, 

 ii. 238 



nerve, currents of action in. ii 154 



nerve-fibres, number of, ii. 330 

 nerves, central paths of. ii. 238 



i-ort ical centres of, ii. 210 



efferent fibres of, ii. 240 

 t halami, functions of, ii. 271 

 Optical constants of the eye, ii. 303 



