﻿The Indiana University Studies are intended to furnish a means 

 for publishing some of the contributions to knowledge made bp 

 instructors and advanced students of the University. The Studies 

 are continuously numbered; each number is paged independently. 



Entered as second-class matter,* June 14, 1918, at the post-office at Bloomlngton, 

 Ind., under the. act of August 24, 1912. The Indiana University Studies are pub- 

 lished four times a year, in March, June, September, and December, by Indiana 

 University, from the University Office, Bloomington, Ind. 



