INFLUENCE OF MASSAGE 



31 



I have formed the opinion, from a large number of observa- 

 tions and trials, that the principal factor in bringing about that 



O i a mins. 



FlG. 14. Positive before massage. 



O I 2. mins. 



FlG. 14. Negative after massage. 



Response to light (25 units). The horizontal lines in both 

 these records denote a scale in TTr i inT ths of a volt ; the resistance 

 of the eyeball has been much diminished by massage. 



state of eyeball in which the response to light is purely negative, 

 is a moderate compression, or shrinking by drying of its retinal 



