INDEX 



445 



Liver stores food, especially glycogen, 



46, 145, 147, 161 

 Locomotor ataxy, 341 

 Ludwig's view of mechanism of kidney, 



200 



Luminous glands, 291 

 Lung, exchange of gases in, 173, 184, 190 



nerve-supply, 178 



structure, 168 

 Lymph, amount of, in body, 37 



composition, 49 



relation to blood, 51 

 Lymph-spaces, 37, 43, 49 

 Lymphatic glands, structure of, 54 

 Lymphatic vessels, 43 



Malapterurus, electric organs, 288 



immense neurones of, 295 

 Manometer for measuring blood-pres- 

 sure, description of, 238 

 Man's ancestry, 153 

 Massage of abdominal viscera, 101 



of muscles, 48 

 Meal, the story of a, 120 

 Meat, diet consisting solely of, 157 

 digestion of, 121 



extracts of, as articles of diet, 159 

 Megacaryocytes, 65 



Memory, physiological explanation, 356 

 Metabolism, chemical change in living 



tissue, 12, 273 

 Methsemoglobin, 69 

 Microscope, its discovery, 26 

 Migration of birds, 359 

 Milk, call for secretion of, by a hormone, 



94 



chemical and physical constitu- 

 tion, 132 

 digestion of, 127 



Milk diet, reduction of bacteria in ali- 

 mentary canal on, 138 

 Mind, physiology of, 354 

 Mosquitoes, production of sound by, 261 

 Motile cells, 32 

 Mountain sickness, 187 

 Mountains, highest climbed, 187 

 Mucous membrane, use of term, 97 

 Murmurs, in chest, in diseases of lungs, 



169 



of heart, 229 



Muscle, change in appearance under 

 microscope during contraction, 

 263 



chemistry of contraction, 266 

 contraction a phenomenon of os- 

 mosis, 258 



electric phenomena of, 278 

 means of promo ting growth of, 271 

 measurement of its power, 285 

 nature of impulse which leads to 

 contraction of, 282 



Muscle of heart, its minute structure, 



224 



of insects, its efficiency, 261 

 plain, its minute structure, 258 

 plasma, its coagulation, 266 

 rhythm of voluntary contraction, 



279 



theory of its structure as a mechan- 

 ism liberating energy, 234, 255 

 tone of, 272 



tracings taken of contracting, 278 

 voluntary, its minute structure, 259 

 wastes when its nerve is severed, 



274 

 work done by, proportional to 



load, 286 

 Muscles, arrangement in regard to the 



bones which they move, 286 

 co-operation in lifting a weight, 287 

 Muscular energy, source of, 235 

 Muscularis mucosse of alimentary canal, 



103 



Musculi papillares of heart, 227 

 Music, chords admissible in, 408 

 Indian, division of octave, 408 

 primitive, prevalence of minor 



chords, 408 



Musical tones and overtones, 406 

 Myelination of nerves, order of, 345 

 Myxcedema, dependent on disease of 



thyroid gland, 85 

 Myxomycetes, fusion of cell bodies of, 27 



Nasal chambers, air warmed in, 166 

 Negroes, their long heels, 285 

 Nerve, conduction in, theory of, 282 



degeneration, 326 



electrical phenomena, 279 



indefatigable, 282 



regeneration, 326 



structure, 296 

 Nerves, depressor, 237 



experiment of crossing, 327 



fifth, 316 



of heart, 239 



of intestines, 426 



protopathic and critical systems 

 of, 425 



secretory, of the salivary glands, 109 



splanchnic, 236 



superior laryngeal, 178 



vagus, 104 



vaso -motor, 239 

 Nerve-cells last throughout life, 148 



limitations of their functions, 321 



store of energy in, 320 



transfer of impulses from cell to 

 cell, 177, 300 



their relation to muscle -fibres, 274 



varying size of, 295, 322 

 Nerve-centres, 176 



