PROCEEDINGS 



OF THE 



Society for 

 Experimental Biology and Medicine 



ONE HUNDRED SIXTEENTH MEETING 



COLUMBIA UNIVERSITY 

 NEW YORK CITY 

 MAY 20, 1921 



AND 



TWENTY-NINTH MEETING 



PACIFIC COAST BRANCH 

 BERKELEY, CALIFORNIA 

 MAY 4, 1921 



Volume XVIII 

 No. 8 



NEW YORK 

 1921 



