PROCEEDINGS 



OF THE 



Society for 

 Experimental Biology and Medicine 



FIFTY-SECOND MEETING 



PHYSIOLOGICAL LABORATORY 

 COLLEGE OF PHYSICIANS AND SURGEONS 



NEW YORK CITY 



FEBRUARY 19, 19 13 



AND 



SECOND MEETING 

 PACIFIC COAST BRANCH, SAN FRANCISCO, CALIFORNIA 

 FEBRUARY i, 19 13 



Volume X 

 No. 3 



NEW YORK 

 1913 



