01 IS 



INDEX TO VOLUME II. 



Ataxia after removal of the cerebellum, 273 

 Atonia after removal of the cerebellum, 273 

 Atrophy of the oerve-cellB from disuse, 195 

 Atropia, action of, on accommodation, 311 

 Atropin, action of, <m the eye, 325 

 Attraction sphere of th«' ovum. 149 

 Auditory area of the cortex. 253 

 canal. 363 



epithelium of the utricle and saccule, 37.'! 

 judgments, 389 

 meatus, external, 362 

 nerves, central paths of. 237 

 cochlear division of, 376 

 subdivisions of, '■>'•'• 

 ossicles. 365 



movements of, 3<>7 

 sensations, limits of, 382 

 successive contrast in, 3S.s 

 theory of, 380 

 Auritde of the external ear, 362 

 Automatism, definition of, 20 

 Axones, definition of, 21, 173 

 growth in diameter of, 179 

 length of, 174 



Ball-and-socket joint, 416 



Barium salts, action of, on muscles, 138 



Bartholin i, glands of, 162 



Basilar membrane, structure of, '■'•77 



width of, 380 

 Bathyasthesia, 233 



Beats in musical tones, production of, 386 

 Benham's spectrum top, oil 

 Binocular combination of colors, 358 

 vision, 356 



illusions in. .T>!i 



rivalry of the fields of vision in, 358 

 Biophors of the germ-plasm, 503 

 Birds, removal of cerebral hemispheres in, ~<>7 

 Birth, size of the child at, 487 

 Birth-rate of the two sexes, 483 

 Births, multiple, 182 



ratio of male to female. 483 

 Blastomeres, 17" 

 Blind spot, 328 



Blood, amount of, in the central nervous system, 

 288 

 changes in, during pregnancy, 477 

 Blood-supply of the central nervous system. 286 



relation of, to irritability, (17 

 Body-sense area of the cortex, 252, 254 

 Body-temperature, rise of, from injury to the 

 optic thalami, 271 

 from lesions in the corpora striata, 271 

 Bolometer. 1 12 



Bones, action of muscles on, 417 

 Bottcher's crystals, 1 15 

 Brain, curve of growth of, 279 

 growth of, 278 



number of nerve-elements during, 2*0 

 relation of, to growth of the body, 280 

 size of neurone- during, 281 

 metabolic activity in, 288 

 regulation of circulation in. '.'-7 

 weight of, '-'7o 

 Brain-stem, .'71 



Brain-ventricles, capacity of, '-71 

 Brain-weight, decrease of, in old age, 296 

 relation of, to insanity, 278 

 to sex, 276 



to social environment, 277 

 Brain-weights of different races, 278 

 Breaking contraction, point of origin of, '■>'< 

 " I'.m aking " -hock. :;i 

 Broca'e convolution, 257 

 Brown-Seqnard's paralysis. 233 

 Brucin, action of, <>n end-plates. -.'7 



Bulbo-cavernosus muscle, 449 

 act ion of, in erection, 4til 

 Bulimia, 104 



Caffkin. action of. on coagulation of muscle- 

 plasma, 164 

 Calcium salts, action of, on the muscles. L38 



relation of, to irritability, 59 

 Canalis cochlearis, 373 



reuniens, 373, 374 

 Capillary electrometer, 14b' 

 ( 'aput gallinagims, v\ I 



Carbon dioxide, action of, on conductivity in 

 nerves. 'X', 

 on the nerves, 60 

 on warm spots, 398 

 effect of, on nerve-currents, 156 

 of t he muscle, 168 

 production of, in nerves, 95 

 disnlphide, action of, on nerves, 60 

 t lardiac palpitation at the climacteric, 490 

 Carnic acid of muscles, 167 

 ( larnin of muscles 167 

 I a-t ration, effects of, 463 



on the voice. 431 

 Cataleptic rigor, 160 

 Caudate nucleus, heat centre of, 271 

 Cell, galvanic, 29 

 Cell -differentiation, 22 

 Cells, growth of, 486 



Central cells, importance of. in relation to in- 

 crease of organization. 285 

 nervous system, amount of blood in. 288 

 arrangement of cell groups in. 205 

 bh.od-supply of. 2N> 

 change in specific gravity of, with age, 



284 

 condition of, in sleep, 293 

 conscious phenomena of, 172 

 daily rhyi Inn- of, 289 

 development of. 172 



fatigue Of, 289 



general arrangement of, 202 



functions of, 171 

 influence of the thyroid on growth of, 289 

 in old age, 29o 



intensity of metabolism in, 288 

 mednllation of nerves in, 181 

 operations on, in frogs, 265 

 organization of, at different ages, 284 

 neurones of the spinal cord, 203 

 stimulation of the nervous system, 208 

 Centre of hearing, cortical, 253 

 of rotation of the eye, 298 

 of smell, cortical, 253 

 of vision, cortical, 253 

 spinal, of ejaculation, 465 

 of erect ion, 4<i4 

 of parturit ion. 1-1 

 Cent ns. associal ion, 256 

 Centrosome of human spermatozoa, 444 

 of the fertilized egg, 168 

 of t he on inn. 1 1!" 

 Cerebellum, anatomical connections of. 273 

 effects of injury to. 272 

 fund ions of, 272 

 senile changes in, 296 

 Cerebral circulation, conditions affecting, 288 

 hemisphere-, etl'ect of removal of, 263 



relative physiological values of, 259 



removal of, in birds. 266 

 in dogs, 262, 267 

 ( 'ere brin of nerves. 170 

 Cerebrum, heat -regulat ing functions of, 270 



removal of, in dogs, 267 

 Characters, acquired, inheritance of, 496 

 < lo mica! reagents, action of, on irritability, 58 



