

ELECTRO-PHYSIOLOGY 



BY 



W. BIEDERMANN 



PROFESSOR OF PHYSIOLOGY IN JENA 



TRANSLATED BY FRANCES A. WELBY 



WITH ONE HUNDRED AND THIRTY-SIX FIGURES 



VOL. I 



ILontron 

 MACMILLAN AND CO., LTD. 



NEW YORK : THE MACMILLAN CO. 



1896 



