THE JOURNAL 



OF 



GENERAL PHYSIOLOGY 



EDITORS 

 JACQUES LOEB W. J. V. OSTERHOUT 



VOLUME IV, NO. 4 MARCH 20, 1922 



PUBLISHED BIMONTHLY 

 at mount royal and guilford avenues, baltimore, md. 

 By The Rockefeller Institute for Medical research 



Copyright, 1922, by The Rockefeller Institute for Medical Research 



I iitercrl as Mcond-clau matter November 25, 1918, at the Post Office at Raltimore, Md., under the Act of March 3, 1879. 



Made in The United Stales of America 



