THE JOURNAL 
OF 
COMPARATIVE NEUROLOGY 
EDITORIAL BOARD 
Henry H. DoNALDSoNn ApoLF MEYER 
The Wistar Institute Johns Hopking University 
J. B. JOHNSTON Ourver S. Strona 
University of Minnesota Columbia University 
C. JuDsON HERRICK, University of Chicago 
Managing Editor 
VOLUME 34 
FEBRUARY—OCTOBER 
1922 
PHILADELPHIA, PA. 
THE WISTAR INSTITUTE OF ANATOMY AND BIOLOGY 
