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 independently. 



Entered as second-class matter, March 27, 1916, at the post oflQce at Bioomington, 

 Ind., under the act of August 24. 1912. The Indiana Univebsity Studies are pubUshed 

 six times a year, in January, March, May, July, September, and November, by Indiana 

 University, from the University Office, Bioomington, Ind. 



