TEXT-BOO]a 



o, ' A V 



(U 

 PHYSIOLOGY 



BY 



ISAAC OTT, A.M., M.D. 



PROFKSSOB OF PHYSIOLOGY IN THE MEDICO-CHIRURGICAL COLLEGE OF PHILADELPHIA 



EX-FELLOW IN BIOLOGY, JOHNS HOPKINS UNIVERSITY ; CONSULTING NEUROLOGIST, 



NORHISTOWN ASYLUM, PENNA. ; EX-PRESIDENT OF AMERICAN 



NEUROLOGICAL ASSOCIATION, ETC. 



THIRD EDITION, REVISED AND ENLARGED 



Illustrated with 419 Half-Tone and Other Engravings 

 Many in Colors 



PHILADELPHIA 



F. A. DAVIS COMPANY, PUBLISHERS 



1909 



