THE JOURNAL 



OF 



GENERAL PHYSIOLOGY 



EDITORS 

 JACQUES LOEB W. J. V. OSTERHOUT 



VOLUME IV, NO. 1 



SEPTEMBER 20, 1921 



PUBLISHED BIMONTHLY 



AT MOUNT ROYAL AND GUILFORD AVENUES, BALTIMORE, MD. 



BY The Rockefeller Institute for Medical Research 



Copyright, 1921, by The Rockefeller Institute por Medical Research 

 Entered^Ds second-dau matter November 25, 1918, at the Post Office at Baltimore, Md., under the Act of March 3, 1879. 



