INDEX 



1245 



Vision, Holmgren's wools, 1112 

 irradiation, 1061 

 Listing's law, 1063 

 Maxwell's spot, 1107 

 measurement of field of, 1058, 1106 

 ophthalmometer, 1021, 1105 

 ophthalmoscope, 1031, 1108 

 perimetry, 1058, 1106 

 Purkinje's figures, 1042, 1113 

 relation of rods and cones to, 1045 

 skiascopy, 1034, 1109 

 stereoscopic, 1039 

 Talbot's law, 1050, 1113 

 theory of identical points, 1037 

 Visual acuity, mi 

 centres, 965 

 path, 883, 923, 966 

 purple, 840, 1047 

 Vital capacity, 236, 303 

 Vitamines, 617, 632 

 Vitreous humour, 466, 1016 

 Vivi-diffusion apparatus, 48 

 Vocal cords, 307 



in voice production, 308 

 movements of, in respiration, 



3" 



paralysis of, 316 

 Voice, 307 



air-pressure necessary for, 309 

 falsetto, 312 

 in children, 310 

 nervous mechanism of, 315 

 Voltaic current, alterations in excita- 

 bility and conductivity by, 

 785-788, 844-846 

 stimulation by, 741, 784, 810 

 Volume pulse, 127 

 Voluntary contraction, 760 



electrical changes in, 762 

 fatigue in, 753 



movements, acquisition of, 981 

 Vomiting, 335 

 centre, 336 



Vomiting, induced by apomorphine, 336, 



459, 464 

 Vowel cavities, 314 



formation, theories of, 314 

 Vowels, timbre of, 313 



Warmth, sensations of, 1081 

 Water, absorption of, 446 



in diet, 629 



production of, in the body, 620 

 Weber's law (stimuli), noo 

 Wernicke, aphasia of, 971 



zone of, 971 

 Wharton's duct, 391 



insertion of cannula in, 456 

 Wheatstone's bridge, 726 

 Whey protein, 354, 719 

 Word-blindness, 972 



-deafness, 967, 972 

 Wounded vessels, sealing of, 46 



Xanthin, 481, 589, 592, 593 



fever, 707 



Xantho-proteic reaction, 8 

 Xerostomia, 400 



Yawning, 288 



Yeast and vitamines, 633 



test for sugar, 488, 526 

 Yellow atrophy, acute, and excretion of 



amino-acids, 586 

 spot, 975, 1107 

 Yohimbine, action on refractory period 



in nerve, 783 

 vaso-dilator action on submaxillary, 



392 



Youug-Helmholtz theory of colour vision, 

 1053 



Zein, as a food, 615 

 Zoosterins, 366, 570 

 Zymase, 337 



Zymogen, 351, 356, 382, 383, 389 

 granules, 376 



BAILLIERE, TINDALL AND COX, 8 HENRIETTA STREET, COVKNT GARDEN, LONDON 



