The 'University Studies^ constitute a suh-series of the 

 Indiana University Bulletin^ i7i which from time to time 

 are published some of the contrihutio^is to knowledge made 

 hy instructors and advanced students of the University.. 

 At present not more than three or four such mimhers are 

 issued a year. By an oversight the paginaiion of Study 

 No. 26 was not consecutive with thai of No. 25 ; its pages 

 should he numbered 241 to 384. 



For sale by the University Bookstore, Bloomington, Ind. 



