THE 



KANSAS UNIVERSITY 

 SCIENCE BULLETIN 



DEVOTED TO THE PUBLICATION' OF THE RESULTS OF RESEARCH 

 BY MEMBERS OF THE UNIVERSITY OF KANSAS 



VOL. XIII 



P.\RT I. Xos. 1-9 

 Part II. Xos. 10-15 



PUBLISHED BY THE UNIVERSITY 

 Lawrence, Kax. 



1920-1922 



31-3-2V3 



