INDEX OF SUBJECTS. 



1077 



Muscles, limited term of life of, 419, 800 ; de- 

 generation of, 419, 420; hypertrophy of, 

 SOS ; atrophy of, 809 ; electric current of. 

 703 



Musical tones, theory of, 780 



Muscular apparatus of organic life, SOI ; of 

 animal life, 801 



Muscular Tissue, various forms of. 801. 802 ; 

 structure of unstriated, 801 ; structure of 

 striped, 802; distribution of motor nerves 

 in, 806 ; distribution of blood to striped 

 form of, 809 ; lymphatics of, 806 ; chemical 

 composition of, 800 ; chemical changes in, 

 induced by exhaustion, 809 ; development 

 of. 808 , nutrition of. 809; limited duration 

 of. 4 lit, 809 ; elongated and contracted con- 

 ditions of. 810; phenomena accompanying 

 contraction of, 810; elasticity of, 812; elec- 

 trical relations of, 813 ; mechanism of mus- 

 cular contraction, 816; idio-muscular con- 

 traction of, 819 ; neuro-muscular contraction, 

 of, 819; peculiarity of that of Heart. 809, 

 818; tetanus of, 818; various stimuli in- 

 ducing contraction of, 820; examples of 

 rhythmical movement of, 822 ; irritability 

 of. 820 ; agents destroying irritability of, 

 820 ; effects of shock in destroying irrita 

 bility of. 823 ; proofs of essential independ- 

 ence of irritability of. 825 ; necessity of due 

 supply of arterial blood for maintenance of 

 irritability of, 825 ; spontaneous and post- 

 mortem movements in, 827 ; rigor mortis of, 

 827 



Muscular Movements, increase of contractile 

 power of, after section of spinal cord, 648 ; 

 post-mortem, 827 ; voluntary and involun- 

 tary, 828; grouping of, 829; symmetry and 

 harmony of, 830; energy and rapidity of. 

 838; absolute muscle force, 839; sources of 

 muscular force, 841 ; rapidity of, 843; pre- 

 cise adjustment of, 843; (see Muscular 

 Sense) 



Muscular Sense, 668 ; nerves of, fi6fi ; its par- 

 ticipation in voluntary movements. 670; its 

 exaltation in Somnambulism, 719 



Muscular Suggestion, its influence in Som- 

 nambulism, 718 



Muscular Tension, influence of Spinal Cord on, 

 648 



Myelin. 87 



Myeloplaques, 228, 438 



Myenteric plexus, 137 



Myopia, 751 



Myosin, 85, 806 



Navy, diet scale of, 112 

 Necrsemia, death by, 1034 

 Negrito Race, 1013 

 Negro, change of color in. 988 note 

 Negro Races, color of, 9.88; hair of, 989 ; skull 

 of, 991 ; modification of its form by civiliza- 

 tion, 993; pelvis of, 994; immunity from 

 fever of, 997 note.; geographical range and 

 varieties of, 1006 



Neriuin Oleander, action of, on Hpart, 316 

 Nerve-force, laws of transmission of, 572 

 Nerves, electric current in, 583' 

 NERVOUS SVSTEM, 553; influence of, on Ani- 

 mal Heat, 554; general arrangement of, 

 554 ; regeneration of nervous tissue, 558 ; 

 chemistry of, 559; automatic character of, 

 in Invertebrata, 561 ; distinguished in 



Vertebrata by Cerebrum and ministering 

 to Intelligence, 562 



Cefebro- Spinal system, principal divisions of, 

 565 ; Cranio-Spinal Axis. Ml Sensory 

 Ganglia, 649: Cerebral Hemisphere. Bi 

 Cerebellum. 673 ; general course of art ion 

 of, 565 ; reflex operations of separate 

 parts, 569; subordination of these to the 

 Will, 569; relations of to Sympathetic 

 system, 570 ; influence of. on Animal 

 Heat, 871 ; on Organic functions. 862; see 

 Curette-Hum. Cerebrum M>lnlln C)li/i>n- 

 fffJta. Sensory Gitiiyliit-. !^)> : nrtt Cord, 

 Consciousness. Emottnns. Exnto-motnr Ac- 

 tions. Ideo-miitor Artious, Intellectual F,ic- 

 iiJtics, Rrfl-ex. Aril-ill/..*, Sxiisori-motor Ac- 

 tions. Volitional Art tints 



Sympathetic. System, general structure of, 

 863: Cerebro-Spinal fibres in, 863. 86t; 

 connection and distribution of principal 

 trunks, 864; results of section and of irri- 

 tation of syrap ithetic, 867; fibres, dilat- 

 ing vessels, 869 ; action of, on apparatus 

 of organic life, 869 ; their instrumentality 

 in sensation in muscular contraction. 870 ; 

 on muscular elongation, 869 ; action of, 

 on intestinal canal, 137. 162; on heart, 

 306 ; on bloodvessels, 326 ; on uterus, 

 865, 888; on iris. 759, 864; proper fibres 

 of, 863 ; influence of, on Secretion gener- 

 ally, 673; on secretion of saliva, 148, 149; 

 on secretion of gastric juice, 162 ; on nu- 

 trition, 871 ; on animal heat, 545; reflex 

 actions of, 635 



Trunks, endowments of, 560 ; afferent and 

 efferent, 560 ; use of plexuses of, 572 ; laws 

 of transmission in, 573 ; modes of deter- 

 mining their functions. 574-577; action of 

 various stimuli on, 578; rapidity of con- 

 duction of electrical stimulus by, 581 ; 

 electrical phenomena in, 503; electrotonic 

 condition of, 585 ; electro-motor properties 

 of, 584 



Nervous Tissue, chemistry of, 87 ; limited dura- 

 tion of, 419 ; atrophy of. 446 ; reparation of, 

 558 



Nicotin, action of, on heart, 316 note., 317 

 Nimes, prison of, mortality at, 125 

 Nitric Acid, in urine, 515 



Nitrogen, its presence in blood, 258 ; exhala- 

 tion and absorption of, 400; excretion of, 

 424, 505 



Notochord, formation of, 952 

 Nuclein. 86 



NUTRITION, general nature of, 280, 415; de- 

 pendent on pabulum in blood, 415; comple- 

 niental doctrine of, 282; sources of demand 

 for. in increase, 416 ; in development, 416 ; 

 conditions of its performance, 420; intersti- 

 tial and superficial. 438; varying activity 

 of, 441; at different periods of life, 1021, 

 102S, 10.31; abnormal degrees of, 441; pe- 

 culiar phases of. in reparation of injuries, 

 447; abnormal forms of, 454; inflammation 

 ar,d its results, 454; tuberculosis, 463; ma- 

 lignant growths, 461; influence of nervous 

 system on, 871; electric disturbance in. 551 



Oblique Muscles of Eye, function of, 835 

 Observation, active in infancy, 1021 

 Observations, astronomical, mode of recording, 

 796 



