﻿INDIANA UNIVERSITY 

 STUDIES 



Contributions to Knowledge made by Instruc- 

 tors and Advanced Students of 

 the University 



VOLUME VII 

 Nos. 44-47. January, 1920, to December, 1920 



AUG 0 2 



BLOOMINGTON, INDIANA 



P«blt0^in fag % Intwrattg 



