THE JOURNAL 



OF 



GENERAL PHYSIOLOGY 



EDITORS 

 JACQUES LOEB W. J. V. OSTERHOUT 



VOLUME III, NO. 6 



JULY 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 pos Medical Research 



Entered as second-class matter November 25, 1918, at the Post OfiBce at Baltimore, Md., under the Act or:March 3, 1879. 



