1084 



INDEX OF SUBJECTS. 



Motor Linguae, 691, 692. 



Motor Nerves, laws of transmission through, 

 653, 654. 



of Orbit, 685, 695. 



Motor Tract of Medulla Oblongata, 681. 

 Movements, Ciliary, see 130, 236, 237. 



Muscular, nature of, 131, 132; relation 



of, te organism at large, 909, 910 ; voluntary 

 and involuntary, 910; combination of, 910; 

 symmetry and harmony of, 91 1, 912; of eye, 

 913-917; energy and Vapidity of, 917-920; 

 influence of expectant attention on, 920-923 

 (see Muscular Fibre). 



Mozart, automatic action of his creative pow- 

 ers, 789 note. 

 Mucous follicles, 233. 

 layer of germinal membrane, 989. 

 Mucous Membranes, structure of, 232, 233 ; se- 

 cretion of, 233; general functions of, 234, 

 235. 



Mucus, 233. 



Multiplication of Cells, 125-128. 

 Murexide, 85. 

 'Muscle-Sugar, 77. 



Muscular Contraction, different modes of, 317- 

 320; spontaneous, 319 note; after death, 

 327; force of, 328,329; heat evolved in, 

 329; electrical disturbance produced by, 

 329, 634-637 (see Movements, Muscular). 

 Muscular Current of electricity, 634-637. 

 Muscular Fibre, composition of, 56, 59, 311 ; 

 structure of, 303-310; striated, 303-3095 

 non-striated, 309,310; supply of vessels 

 and nerves to, 312, 313; development of. 

 313, 314 ; nutrition of, 315 ; disintegration 

 of, 315-316 ; effects of disuse of, 316, 317. 

 Vital endowments of, 317-334; irritability 

 of, 317-320; its gradual departure after 

 death, 320; its diminution by sedatives, 

 321 ; influence of shock on, 321, 322; 

 dependence of, upon arterial blood, 322, 

 323 ; their independence of nervous sys- 

 tem, 324-326; peculiar post-mortem mani- 

 festations of, 326, 327; Tonicity of, 330, 

 331 ; rigor mortis of, 332-334; influence 

 of electricity upon, 333; spontaneous rno- 

 tility of, 471-472. 



Muscular Sense, importance of, in voluntary 

 movements, 722-724 ; extraordinary exalta- 

 tion of, in somnambulism, &c., 724; sugges- 

 tion of ideas by, 801, 802. 

 Muscular Tension, influence of spinal cord on, 



699. 

 Myopia, 877. 



N. 



Nails, structure of, 250 ; rate of growth of, 250, 

 251. 



Necraemia, death by, 1056. 



Negritoes, or Pelagian Negroes, 1052, 1053. 



Negro races, color of, 1031; hair of, 1032; 

 skull of, 1032, 1033; pelvis of, 1036; modi- 

 fication of, 1035; geographical range, and 

 varieties of, 1047-1049. 



Nerve-Force, generation of, by cells, 132, 133 ; 

 transmission of, 349-351, 652-654; its rela- 

 tions to physical forces, 351, 352 ; to elec- 

 tricity, 356, 357 ; to animal heat, 62S, 629; 

 to mental activity, 770-775 (see Nervous 

 Tissue). 



Nerve-Trunks, structure of, 335-337 ; plexuses 



formed by, 651, 652; central terminations 

 of, 339, 340 ; peripheral terminations of, 

 312, 313, 341-343 (see Eye, Ear, Papilla?, 

 &c.). 



Endowments of, 349, 651-657 ; afferent and 

 efferent, 651 ; use of plexuses of, 651, 

 652; laws of transmission in, 652-654; 

 modes of determining their functions, 654- 

 657 ; by peripheral distribution, 654, 655 ; 

 by central connections, 655, 656; by ex- 

 periment, 656-657. 



Nervous Centres, structure of, 33S, 339 ; con- 

 nection of, with nerve-trunks, 339, 340; 

 functional relations of, to system in gene- 

 ral, 348-350 ; principal organs of, in Man, 

 645 ; Cranio-Spinal axis, 645, 646; Spinal 

 Cord, 645 ; Medulla Oblongata, 645, 646 ; 

 Sensory Ganglia, 646; Cerebrum, 647 ; 

 Cerebellum, 647; general course of ac- 

 tion of, 648-65Q ; reflex operations of the 

 several parts, 648-649 ; subordination of 

 these to the Will, 649, 650. 

 Development of, 999, 1008-1010. 

 See Spinal Cord, Medulla Oblongata, Sen- 

 sory Ganglia, Cerebellum, Cerebrum, and 

 Sympathetic. 



Nervous Current of electricity, 637-639. 

 NERVOUS SYSTEM, general structure and en- 

 dowments of, 334 (see Nervous Tissue) ; 

 general functions of, 371,372; internun- 

 cial character of, 349 ; connection of, with 

 organs of sense, 372, 373; principal divi- 

 sions of, 374, 375. 



General arrangement of, 641-642; automatic 

 character of, in Invertebrata, 642, 643 ; 

 distinguished, in Vertebrata, by Cerebrum, 

 and ministering to Intelligence, 644; sub- 

 servience of general organism to, 645. 

 Influence of, on Animal Heat, 625-629 ; on 

 Organic Functions, 941-948; shown in 

 effects of Emotion on Secretions, 942- 

 646; influence of, on Nutrition, 946, 947; 

 marked effect of expectant attention, 947- 

 948. 



Nervous Tissue, structure of, 334-343 ; fibrous, 

 335-337; vesicular, 338,339; connection of 

 cells and fibres, 339, 340; peripheral termi- 

 nations of nerve-fibres, 341-343; composition 

 of, 343; vascular supply of, 344, 345 j nutri- 

 tion of, 345 ; effects of disuse on, 345, 346; 

 development of, 346; disintegration of, 354- 

 356; regeneration of, 347, 348. 

 , functions of, 348-357; transmitting pow- 

 er of nerve-trunks, 349 ; psychical relations 

 of centres, 349, 350; relations of nerve-force 

 to other vital forces, 350, 351 ; to physical 

 forces, 351, 352; to electricity, 356, 357; 

 to mental force, 773-775 ; conditions of its 

 development, 353-356 ; necessity for oxyge- 

 nated blood, 352; influence of contaminated 

 blood on, 353; disintegration resulting from 

 its activity, 354-356. 

 Nimes, prison at, 396. 

 Nitric acid of urine, 607. 



Nitrogen, proportion of, in different articles of 

 food, 378; changes of, in respiration, 531, 

 532; respiration in, 530, 531. 

 Nomadic races, peculiarities of, 1033, 1035. 

 Nuclear fibres, 228. 

 Nucleated blastema, organization of, 138, 219, 



287. 

 Nuclei, of cells, 123; their subdivision, 125- 



