a EXE HAL IXDEX. 



541 



Muscular exercise, effect of, on the rate of 

 respiration, i. 426 

 on the respiratory exchanges, i. 433 



quotient, i. 138 

 on the sweat glands, i. 260 

 on the venous circulation, i. 95 

 inhibition from cortical stimulation, ii. 224 

 movements, relations of antagonistic muscles 



in, ii. 418 

 sensatious, cortical area for, ii. 253 

 definition of, ii. 390 



effect of hemisection of the cord on, ii. 235 

 in estimation of weights, ii. 403 

 nature of, ii. 401 



path of conduction for, in the cord, ii. 235 

 psychological value of; ii. '■'>'. il 

 work, effect of stimulants on, ii. 75 

 Musical sounds, characteristics of, ii. 387 

 tones, beats of, ii. 386 



limits in the pitch of, ii. 282 

 production of, ii. 381 

 Mycoderma aceti, i. 537 

 Mydriatics, ii. 325 

 Mylo-hyoid muscle, i. 372 ; ii. 426 

 Myo-albumin, ii. 166 

 Myo-albumose, ii. 166 

 Myogen-fibrin, ii. 164 

 Myoglobulin, ii. 166 



Myogonic theory of the causation of the heart- 

 beat, i. 150 

 Myogram, ii. 34 



definition of, ii. 100 



effect of temperature on the form of, ii. 136. 

 Myograph, ii. 35 



description of, ii. 100 

 double, of Hering, ii. 36 

 Myohsematin, i. 578; ii. 166 

 Myopia, ii. 313 



range of accommodation in, ii. 314 

 Myosin, ii. 163 



absorption of, i. 315 

 ferment, ii. 161, 163 

 Myosin-fibrin, ii. 164 

 Myosinogen, ii. 163 



temperature of heat coagulation of, ii. 165 

 Myotics, ii. 325 

 Myxcedema, i. 269 



Native albumins, i. 577 



Nausea from disturbance of equilibrium, ii. 405 

 Near-point of vision, ii. 312 

 Negative after-images, ii. 346 

 pressure in the auricles, i. 137 

 in the heart, i. 98 

 in the thorax, i. 05 

 in the veins, i. !H 

 variation in muscles, rate of propagation, ii. 

 152 

 relation of, to the contraction, ii. 153 

 of muscle-currents, ii. 150 

 of nerve-currents, ii. 154 

 of the beating heart, i. 153 

 Nerve, aurieulo-teniporal, i.'.'I- 

 chorda tympani. i. 101, 210 



gustatory function of, ii. 1 10 

 coronary, of t be tortoise, i. 164 



depressor, i. 172, 203 



facial, secretory fibres of. i. 219 



general physiology of. ii. 17 



glossopharyngeal, gustatory function of, ii. 410 



secretory fibres of. i. 218 

 Jacobson's, i. 218 

 lingual, secretory fibres of, i. 219 

 oculomotor, ii. 323 

 recurrent laryngeal, ii. 128 

 small superficial petrosal, i. 218 

 superior laryngeal, ii. 428 



Nerve, vagus, cardiac branches of, i. 159 



gastric branches of. i. 381 



intestinal branches of, i. 385 



pulmonary branches of, i. 465 



repiratory functions of. i. i59 



secretory fibres of. i. 232, 239 



trophic influence of, on the heart, i. 166 

 Nerve-cells, atrophy of, from disuse, ii. 195 

 changes in, with age, ii. 400 

 chemical changes in. ii. 191 

 classification of, ii. 177 

 connection between, ii. 206 

 degeneration <>f the cell-bodies of, ii. 199 

 diaxonic, ii. ITS 

 effect of exercise on, ii. 76 

 fatigue of, ii. 191 

 generation of impulses in, ii. 188 

 growth of, ii. 176 

 histological change in, due to functional 



activity, ii. 192 

 human, size of, ii. 171 

 internal structure of, ii. 179 

 maturation of, ii. 177 

 morphology of. ii. 17^1 

 number of, in the central nervous system, ii. 



283 

 nutrition of, ii. 190 



nutritive control of, over nerve-fibres, ii. 198 

 of animals, size of, ii. 175 

 of spinal ganglia, development of, ii. 178 

 peculiarities of, ii. 174 

 pyramidal, ii. 178 

 rate of discharge from, ii. 189 

 regeneration of, ii. 201 

 relation of size and function in, ii. 175 

 senescence of, ii. 182, 490 

 significance of the branches of, ii. 186 

 summation of stimuli in. ii. 190 

 volume relation of, ii. 175 

 Nerve-elements, primitive segmental arrange- 

 ment of, ii. 205 

 Nerve-endings in the liver, i. 245 

 in the salivary glands, i. 220 

 in the skin, ii. 392 

 Nerve-fibres, reaction of, ii. 170 

 classification of, ii. 21 

 cortical, increase in the number of, during 



growth, ii. 282 

 fatigue in, ii. 95 

 functions of, ii. 21 

 Nerve-impulse, definition of. ii. 25 

 direction of the passage of. ii. 184 

 electrical variation accompanying, ii. 183 

 genera! ion of, ii. 187 

 in peripheral nerves, ii. 1>.'I 

 peripheral diffusion of. ii. '.'is 

 reversed, in spinal ganglion-cells, ii. 185 



theories of. ii. 07 



transmission of. from neurone to neurone, ii. 

 207 

 Nerve-muscle preparation of a frog, ii. 34 

 Nerves, action cu rrents in, ii. 153 



auditory, central path of. ii. 237 



augmentor, of i lie heart, i. ltiT 



cardiac, i. 1 1* 



cervical sympai hel ic, i. 193 



chemist ry of. ii. 169 



cross sin uring of, ii. 200 



current of resl in. ii. 1 10 



degeneration of, after section, ii, 69, 78 



depressor, of the heart, i. 172 



fatigue of, ii. 75 



glossopharyngeal, central conduction paths 



for. ii. 236 

 in man. stimulation of. ii. 51 

 law of stimulation of. with galvanic current, 



ii. 50 



