THE JOURNAL 



OF 



GENERAL PHYSIOLOGY 



EDITORS 

 JACQUES LOEB W. J. V. OSTERHOUT 



VOLUME IV, NO. 3 



JANUARY 20, 1922 



PUBLISHED BIMONTHLY 



AT MOUNT ROYAL AND GUILFORD AVENUES, BALTIMORE, MD. 



By The Rockefeller Institute for Medical research 



Copyright, 1922, by The Rocketellek Institote for Medical Research 



Entered u lecond-claM mtter November 25. 1918. at the Post Office at Baltimore, Md.. under the Act of March 3. 1879. 



Made in United States of America 



