4" 



ELECTRO-PHYSIOLOGY 



BY 



W. BIEDERMANN 



PROFESSOR OF PHYSIOLOGY IN JENA 



TRANSLATED BY FRANCES A. WELBY 



WITH ONE HUNDRED AND FORTY-NINE FIGURES 



VOL. II 



HonHon 

 MACMILLAN AND CO., LIMITED 



NEW YORK : THE MACMILLAN COMPANY 

 1898 





All t'if/ht* rest I'rui 



