IRRITABILITY 



A PHYSIOLOGICAL ANALYSIS OF THE GENERAL 

 EFFECT OF STIMULI IN LIVING SUBSTANCE 



BY 



MAX VERWORN, M.D., Pn.D 



Professor at Bonn Physiological Institute 



WITH DIAGRAMS AND ILLUSTRATIONS 





NEW HAVEN: YALE UNIVERSITY PRESS 



LONDON : HENRY FROWDE 



OXFORD UNIVERSITY PRESS 



MCMXIII 



