NOTICE TO EXCHANGES. 



The attention of learned societies and other institutions 

 which exchange scientific publications with the University of 

 Kansas is called to the list of publications of this University on 

 the third and fourth pages of the cover of this issue. 



Those marked "Supply exhausted'* cannot be furnished at 

 all ; as far as the supply permits the remaining numbers will 

 gladly be furnished to any of our exchanges who may need 

 them to complete their files. 



Back numbers of the Kansas University Quarterly, as far as 

 possible, will be sent to those of our newer correspondents who 

 are able and willing to reciprocate. 



ANNOUNCEMENT. 



The Kansas University Science Bulletin (continuation of 

 the Kansas University Quarterly) is issued in parts at irregu- 

 lar intervals. Each volume contains from 300 to 400 pages of 

 reading-matter, with necessary illustrations. Exchanges with 

 other institutions and learned societies everywhere are so- 

 licited. All exchanges should be addressed to the Library of 

 THE University of Kansas. 



All communications should be addressed to 



The Kansas University Science Bulletin, 

 Library of the University of Kansas, 



Lawrence, Kan. 



EDITORIAL BOARD. 



W. J. BAUMGARTNER, Managing Editor. 

 H. E. JORDAN, Exclmnge Editor. 



S. J. HUNTER, Chairman of Committee. 

 W. C. STEVENS. 



W. S. HUNTER. 



O. O. STOLAND. 



