INDEX TO VOLUME 11. 



50 ( J 



Chemical stimulation of nerve, 25 



tonus, 143 

 Chemistry of nerves, 169 



Chernotaxis, 406 



influence of, on neuroblasts, 17»i 

 Chemo-tropism, 466 

 Chest-voice, 43:2 



Chloroform, action of, on coagulation of muscle- 

 plasma, 164 



effect of, on nerve-currents, 156 



vapor, action of, on nerves, 60 

 Cholesterin in nerve, 169 

 Chorda tvmpani nerve, gustatorv function of, 



410 

 Chorion, 473 



frondosum. 474 



lseve, 474 

 Chorionic fluid, 473 



villi, 473 

 Chromatic aberration, 316 

 Chromatoblasts of pleuronectidae, 20 

 Chromosomes, number of, in the segmentation 

 nucleus, 466 



of germ-cells, hereditary function of, 499 



of human spermatozoa. 443 



of the sexual element, reduced number of, 

 454 



ovarian, changes in, during maturation, 451 

 number of, 450 



reduction of, in maturation of spermatozoa, 

 445 

 Chronograph, description of, 100 

 Ciliary ganglion, 323 



muscles, action of, in accommodation, 309 



nerves, long, 324 

 short, 311, 323 

 Circulation, artificial, through isolated organs, 

 68 



of blood in the retina, 322 



of the brain and cord, 286 

 Circumduction, movement of, 416 

 Climacteric, 459, 490 



ovulation after, 456 

 Climate, influence of, on age of puberty, 489 



on time of climacteric, 490 

 Clitoris, 462 



homology of, 464 

 Coagulation of muscle-plasma, action of drugs 

 on, 164 



of myosin, 163 

 Cocaine, action of, on conductivity in nerves, 93 



on the tongue, 413 

 Cochlea, anatomy of, 374 



bony, 372 



membranous, structure of, 376 

 Cochlear root of the auditory nerve, central 



paths of, 237 

 Coffee, stimulating action of, 75 

 Cold and warm points of the skin, 398 

 Collaterals of axoms, 173 



Color of objects, relation of, to intensity of illu- 

 mination, '■'>■'<■'> 



sensations in indirect vision, '■)'■'<'■'< 

 phenomena of, 333 



theories, 335 



triangle, 334 



vision, theories of, 335 

 Color blindness, 338 



hereditary transmission of, l* 1 1 



of the rods, 342 

 Colored shadows from simultaneous contrast, 347 

 Color-mixture, '■'.'■','■'. 

 Colors, binocular combination of, 358 



complementary, •'!■'> I 



physical basis of, 332 



relative luminosity of, 340 



saturation of, 342 



i lombinational tones, 387 

 Commissure. Meynert's, 238 



von Gidden's, 238 

 Commissures, origin of, from central cells. 205 

 Common sensation, definition of, 399 



sensibility, afferent paths of the nerves of, 230 

 Commutators, method of using, 36 

 Complementary colors. :;:;i 

 Composite tones, analysis of, 384 

 Conceptions, multiple, 182 

 Concha of the external ear, 362 

 Conduction by contiguity, 81 



directions of, >1 



from neurone to neurone, 84 



in branching nerves, 80 



in ganglion-cells, 97 



in muscles, 80 



in nerves, effects of, 95 



in nerve-trunks, 79 



of nerve-impulses, direction of, 184 

 from neurone to neurone. '.'<i7 



process, nature of, 97 



rate of, 87 

 Conductivity, action of drugs on, 93 



definition of, 20, 77 



dependence of, on protoplasmic continuity, 77 



effect of constant current on, 94 



influences affecting, 91 



of muscle, 20 



of nerves, 21 



of the neurone, 189 



of ova, 22 

 Condyloid joints, 416 

 Cones, retinal, function of, 341 



movements of, 331 

 Confluxion in space-perception, 353 

 Congenital resemblances, 494 



variations, 500 

 Conjugate foci in a dioptric system, 302 

 Conjugation, 440 



Conin, action of, on end-plates, 27 

 Consciousness, cerebral origin of, 172 

 Consonants, 436 



Constant current, contracture effect of, in mus- 

 cles, 131 

 effect of, on conductivity, 94 

 on muscles, 61 

 on nerves, 62 

 Constrictor nerves of the iris, 323 

 Continuous contractions, 127 

 Contractility, definition of, 17,98 



in voi't icella, 20 



occurrence of, 20 



of amoebae, 1!> 



of muscle, 17 



of muscles, adaptation of, to their normal 

 functions, 108 



of ova, 22 



of the astral rays, 17u 

 Contraction curve of muscle, effect of frequeul 

 excitat ion on, 115 



idio-muscular, 92 



of muscles, post-mortem, 160 

 relation of, to structure, 107 



remainder, L06 



wave in muscle, rate of transmission, >7 

 length of, B8 

 Contractions from repeated single stimuli, 112 



introductory, 1 13 



isomet ric, 110 



isotonic, 1 lo 



normal, tetanic nature of, 132 



of rigor calorie, 165 

 Contracture after frequenl excitation. 128 

 after single excital ion, 129 



ilelinit ion of, 1 16 

 from fat [gue, 130 



