PROTOPLASMIC ACTION 

 AND NERVOUS ACTION 



Ralph S. jLillie 



Biologist, Nela Research Laboratories, Cleveland; formerly 

 Professor of Biology, Clark University 



What am I, Life ? a thing of watery salt, 

 Held in cohesion by unresting cells . . . . ? 



— Masefield 



THE UNIVERSITY OF CHICAGO PRESS 

 CHICAGO ILLINOIS 



