The Indiana University Studies are intended to furnish a means 

 for publishing some of the contributions to knowledge made by instructors 

 and advanced ^Indents of the University. The Studies are continuously 

 numbered; each number is paged independently. 



Entered as second-class matter, March 27, 1916, at the post-ofl&ce at Bloomington, Ind., 

 under the Act of August 24, 1912, The Indiana Univeesitt Studies are published six times a 

 year, in January, March, May, July, September, and November, by Indiana University, from the 

 University oflfice, Bloomington, Ind. 



