/f/ ' 
9^ 
-7 ’ ..y- 
■■•'' /' 0 / 
r 7 
.... -Tf i • 
INDIANA UNIVERSITY . 
STUDIES 
Contributions to Knowledge made by Instruc- 
tors and Advanced Students of 
the University 
VOLUME X 
Nos. 56-60. January, 1923, to December, 1923 
BLOOMINGTON, INDIANA 
bfl % Untnrreitg 
