MAN-AN ADAPTIVE 

 MECHANISM 



GEORGE W. CRILE, F.A.C.S. 



PROFESSOR OF SURGERY, SCHOOL OF MEDICINE, WESTERN 



RESERVE UNIVERSITY ; VISITING SURGEON TO 



THE LAKESIDE HOSPITAL, CLEVELAND 



EDITED BY 



ANNETTE AUSTIN, A.B. 



ffotfe 



THE MACMILLAN COMPANY 

 1916 



All rights reserved 



