The Indiana University Studies are intended to furnish a 
means for publishing some of the contributions to knowledge made 
by instructors and advanced students of the University. The 
Studies are continuously numbered; each number is paged inde- 
pendently. 
Entered as second-class matter March 27, 1916, at the post-office at Bloomington, 
Ind., under the act of August 24, 1912. The Indiana University Studies are published 
four times a year, March, June, September, and December, by Indiana University, from 
the University Office, Bloomington, Ind. 
