THE JOURNAL 



OF 



GENERAL PHYSIOLOGY 



EDITORS 

 JACQUES LOEB W. J. V. OSTERHOUT 



VOLUME III, NO. 3 JANUARY 20, 192J 



PUBLISHED BIMONTHLY 

 at mount royal and guilford avenues, baltimore, md. 

 By The Rockefeller institute for Medical research 



COPVKJGHT, 1921, BY THE ROCKEFELLER INSTITUTE JOE MEDICAL RESEARCH 

 Entered as second-class matter November 25. 1918, at the Post Office at BalUmore, Md.. under the Act of March 3, 1879. 



