5] 1 



INDEX TO VOLUME 11. 



Lens, thickness of, 303 



Lenticular ganglion, 311 



Leucin, action of, on end-plates, 27 



Leucocytes, movements of, 19 



Leucophrys patula. reproduction of, 142 



Life of the individual, stages of, 4 — ■ * > 



Ligaments of tin- malleus, 366 



of the incus, :!<>? 

 Light, changes in the retina produced by, 330 



definition of, 298 



dispersion of, 316, :;:;•_' 



monochromatic, 316 



physical theory of, :;.;i 



rays of the luininiferous ether, 331 



sensations, intensity of, 332, 339, 



mechanism for the production of, 331 

 quality of, 332 

 Light-waves, lengths of, :;:;■.' 

 Limbus of the spiral lamina, 37? 

 Lingual frictionals, 138 



uerve, gustatory function of, 410 

 Linguo-palatal consonants, 437 

 Liquids, 136 

 LiquoT amnii, 472 



folliculi, 454 

 Listing's law, 299 

 Littre, glands of, 448 

 Load, effect of, mi the contraction curve, 111 



of muscle, effect of. on latent period, 110 

 Local signs of sensations, 394 

 Localization, cutaneous, variations of, 395 



in the skin, theory of, 395 



of cell-groups in the cerebral cortex, 241 



of cortical cell-groups for different impulses, 

 252 



of pain sensations, 399 



of touch sensat ions. III! I 

 power, relation of, to mobility, 394 

 Locomotion. 120 



Locomotor ataxy, disturbance of equilibrium 

 in. 405 

 mechanisms, action of, 11 1 

 Long tracts of the cord, terminations of, 235 

 Long-reed register of the voice, 432 

 Loudness of the voice, factors determining, 430 



physical cause of. :;~i 

 Luminiferous ether, rates of vibration of, 331 

 Luminosity, relative, of spectral colors, 340 

 Luminous sensations, intensity of, 339 

 Lustre in visual sensations, explanation of, 3r>s 



MICROCEPHALIC brains, weight of. 275 

 Macula acustica, 3?:: 



lutea, 3-.'? 

 .Macula- acusticse, relation of. to static equilib- 

 rium. 407 

 Making contraction, point of origin, 35 

 " Making " shock. 31 

 Mai'- births, relative number of, 483 



pronucleus. Pit; 

 Mali-, rate of growth in, 1-* 

 Malleus. 365 



ligaments of. 366 

 Mammary glands. II.'!. 462 



in pregnancy, 17? 

 Manubrium of the malleus, 365 

 Masticatory movements, effect of, on taste sen- 

 sations, 11 1 

 Mastoid antrum, 363 

 Maturation of germ-cells, significance of, 451 



of nerve-cells. 177 



of spermatozoa, 1 l"> 



of tin- ovum, 151 

 Meatus auditorius interims, 373 

 Mechanical stimulation of nerve. •.'.">, 56 



strain, influence of, on neuroblasts, 1 Tf > 



work of muscular contract ion. 13* 



Medial lemniscus, 226 



Medullary sheath, development of, in the cen- 

 tral nervous system, 181 

 in the peripheral nerves, 180 

 significance of, 180 



tube, fetal. 204 



lamina- of, in the foetus, 205 

 Medullation, central, progressive character of, 

 181 

 of nerve-fibres, significance of, 283 

 peripheral. 180 

 Medusse, rate of conduction in, 89 



staircase contractions in, 112 

 Membrana basilaris, 374 

 Saccida, 365 



granulosa of the Graafian follicle, 454 

 reticulata, :;7- 

 tectoria, 377. 379 

 tympani, 364 



Membrai f Beissner, 374, 379 



Membranous labyrinth of the ear, 372 

 Menopause, 459, 490 

 Meiisi mat ion, 457 

 age of onset of, 459 

 cessation of, at the climacteric, 490 

 general disturbances accompanying, 459 

 in animals. 460 

 relation of ovulation to, 456 

 theory of, 460 

 Mental activity, relation of cerebral circulation 



to, 288 

 Menthol, action of, on cold nerves, 398 

 Metabolism, intensity of, iii the brain, 288 

 Meynert's commissure, 238 

 Microcephalic brains, weight of, 275 

 Microcephalics, 268 

 Micturition, cerebral control of, 270 



reflex character of, 213 

 Middle ear, 3112 



inflammatory disease of, 364 

 mechanism of, 368 

 muscles of, 369 

 Migration of neuroblasts, 176 

 Modiolus, 372 

 Molecular weight, relation of, to physiological 



action, 60 

 Monochromatic light, 316 

 Mmis Veneris, 162 

 Monstrosities, congenital. 494 



origin of, 483 

 Morgagni, ventricles of. 422 

 Morula, 470 



Motor areas, cortical serial arrangement of, 247 

 degeneration after removal of. 244 

 paralysis following removal of. 269 

 physiological characters of. 213 

 subdivision of, into centres. 217 

 centres, degree of separateness of. 248 



of the human cortex, 250 

 disturbance from bemisection of the cord, 230 

 end-plates, latent period of. 103 



i ransmission of excitation by means of, 82 

 nerves, fatigue of, 96 



rate of conduction in, 89 

 Movements of joints, varieties of, 416 

 of spermatozoa. 1 1 1 

 of the eyeball. 298 



Multiple conceptions, 182 



conl rol from t he cortex. 250 



Muscse volitantes, 320 

 Muscle, accelerator urimi\ 449 



aryteno-epiglottidean, 42<i 



arytenoid, 126 



bulbo-cavernosus, 1 19 



chemistry of. 150 



ciliary, in accommodation. 309 



crico-arytenoid, lateral, 126 



