1332 



INDEX. 



cortical origin, how effected, 753; of 

 dog, 740, 772; of monkey, 744, 763; 

 of anthropoid ape, 749; voluntary, 739- 

 780 ; action of motor area in effecting, 

 7P>!>; as influenced by sensory impulses, 

 772; skilled, correlation of with pyra- 

 midal tract, 760; ' forced,' 735, 813; 

 'forced,' from injury to optic lobes in 

 frog, 815; foetal, 1130; of locomotion, 

 1101; ocular, 949; sense of, 1059 



Mucin, a constituent of saliva, 313 



Mulberry gallstones, 364 



Muscse volitantes, 875 



Muscarin, its action on cardiac tissue, 257 



Muscle, irritability of, 53 et supra ; phe- 

 nomena of contraction of, 65-134; te- 

 tanic contraction of, 75-81; gross 

 structure of, 82 ; wave of contraction, 

 83; striated, 86; striated under polar- 

 ized light, ib. ; chemistry of, ib. ; living 

 and dead, contrasted, 86, 87; dead, 

 chemistry of , 87-95 ; frozen, 89; rigid, 

 acid reaction of, 90 ; living, reaction of, 

 91 ; chemical changes due to contrac- 

 tion, 94; thermal changes due to con- 

 traction, 95; electrical changes in, 97; 

 action of the constant current on, 

 110-116 ; work done by, as influenced by 

 fatigue, 122, 129; by load, 123; by size 

 and form of muscle, 124 ; by tempera- 

 ture, 127; by blood-supply, 128; by 

 functional activity, ib. ; oxygen con- 

 sumed during contraction of, 304 ; plain, 

 structure of, 131; chemistry of, ib.; 

 characters of contraction of, 131, 132; 

 spontaneous contraction of, 133; tonic 

 contraction of, 134; nutrition of, 128; 

 vascular changes in, 271; changes due 

 to contraction of, 304; vaso-dilator 

 fibres in nerve supply to, 2(J9 ; embry- 

 onic, glycogen in, 573; respiration of, 

 469 ; governance of nutrition of, 714 



Muscles, skeletal, result of metabolism 

 in, 590; their proportion in body, 619; 

 tone of, 713; rigidity of, 717; their 

 mode of action, 1101 



Muscle-currents, 98-102 ; velocity of, 99 ; 

 negative variation of, 102 



Muscle-curves, 65 ; analysis of, 71 ; vari- 

 ations of, 74; tetanic, 75 



Muscle-nerve preparation, 55-81, 102; as 

 a machine, 119; muscle current shewn 

 in, 102, 103 



Muscle-plasma, 89 



Muscle-serum and clot, 89 



Muscle-sound, 122, 123 



Musical sounds, character of, 998 



Myocardiograms, 202 



Myoglobulin, 89 



Myograph, 66; pendulum, 68 



Myosin in dead muscle, 87,88; in white 

 corpuscles, 38 



Myosinogen in living muscle, 90 

 Myxoedema, its connection with disease 

 of thyroid, 601 



Nasal passages, inspired air warmed in 

 the, 438 



Nausea, sensation of, 1049 



Negative pressure in heart, 210, 211, 217 



Nerves, irritability of, 53 et supra; 

 tested by constant current, 118; end- 

 plates of, probable action of urari on, 

 55; connection of with muscular fibre, 

 82 ; chemistry of, 105 ; mixed, 141 ; in- 

 hibitory, 148 ; vase-motor, 262-288 ; 

 specific energy of, 1052 ; special sensa- 

 tions not caused by stimulation of 

 trunk, 1053; abdominal splanchnic, 

 141; vaso-constrictor fibres in, L'Uii, 

 272, 277, 385 ; inhibitory fibres in, 385 



of alimentary canal, 383, 384 



, brachial plexus, constrictor and 



dilator fibres in, 270, 271 



, cardiac, 253 



, cervical sympathetic, cardiac aug- 



mentor fibres, in frog, 247-249; fibres 

 of, to salivary glands, 338 ; vaso-motor 

 fibres in, 23, 269, 278; pupil-dilating 

 action of, 862 



, chorda tympani, vaso-motor fibres 



in, 267, 269; secretory fibres to sub- 

 maxillary gland, 333, 336, 351 ; its con- 

 nection with sense of taste, 1035 



, depressor, ,vaso-motor functions of, 



280, 281 



of eye-ball, 859 



, glosso-pharyngeal, 335; its connec- 

 tion with sense of taste, 1035 



of larynx, 1081 



, lingual, 333, 334 ; its connection with 



sense of taste, 1035 



, optic, decussation of, in optic 



chiasma, 784 ; development of, 835 



, phrenic, functions in respiration, 



472 



, sacral, regulation of bladder action 



by, 546 



, sciatic, constrictor and dilator fibres 



in, 269-271 



, spinal accessory, cardio-inhibitory 



fibres in, 252-255 



, spinal, 140 ; anterior and posterior 



roots of, 141, 676; efferent and affer- 

 ent fibres of, their separate paths, 667 



of stomach, 339; submaxillary, 333; 



thoracic, 279 



, vagus, inhibitory action of, 148; 



government of heart-beat by, in frog, 

 249, 258 ; a mixed nerve, 141 ; of mam- 

 mal, inhibitory fibres in, 250; supply 

 to the stomach, 339, 383; to the in- 

 testines, 383; cardiac augmentor and 

 inhibitory fibres in, 249, 268, 385; in- 



