760 COMPARATIVE ELECTRO-PHYSIOLOGY 



Velocity of transmission : 



determination of, effect of intensity of stimulus on, 449 

 ,, effect of temperature on, 450 



,, longitudinal versus transverse, 454 



Verworn on polar effects of currents on Protozoa, 579 

 Vibratory stimulator, 30 

 Vision, binocular alternation of, 431 

 Visual impulse, pulsatory character, 432 

 Von Fleischl on response of nerve, 278 



WALLER on ' blaze current,' 260 



,, on response of green leaves to light, 395 

 ,, on response of skin, 294 

 ,, on three types of response in nerve, 461 

 Waves, positive and negative : their characteristics, 67 

 Weber- Fechner's law : its inadequacy, 656 

 Wood, demonstration of living characteristics of, 361 



,, effect of anaesthetics and poison on response of, 362, 36 

 ,, effect on, of drying, 361 

 ,, normal response of, 361 



ZANTEDESCI on organ current, 269 



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