INDEX. 



685 



Vision, color, 541. 

 Vision, purple, 511, 535. 

 Vision, stereoscopic, 555, 

 Visual axis, 541. 

 Visual contrasts, 547. 

 Visual perceptions, 551. 

 Visual sensations, 530, 536; dura- 

 tion of, 539; intensity of, 536. 

 Vital capacity, 392. 

 Vitreous humor, 516. 

 Vocal chords, 635. 

 Vocal chords, false, 635. 

 Voice, 633. 



Voluntary movements, 622. 

 Vorner, 75. 

 Vowels, 640. 



Walking, 151. 

 Wallerian method, 210, 596. 

 Wandering cells, 103. 

 Warm-blooded animals, 477. 

 Water, constituent, 27. 



Water, percentage of, in body, 13. 

 Weber's law, 499. 

 Weber's schema, 240. 

 Weissman's theory of heredity, 



661. 



Wheat, 323. 

 Whipped blood, 52. 

 Whispering, 643. 

 White blood-corpuscles. 17, 47, 60. 

 White fibrous tissue, 101. 

 Windpipe, 382. 

 Work, muscular, 135. 

 Wrisberg, cartilage of, 635. 

 Wrist, 77. 



Xantho-proteic test, 9. 



Yawning, 425. 



Yellow spot, 511 



Young's theory of color vision, 



542. 



Zoological position of man, 2. 



