KANSAS 



Academy of Science 



VOL. XXIX 



TRANSACTIONS 



Semi-Centennial 

 Volume 



FIFTIETH ANNUAL MEETING 



LAWRENCE 



March 15 and 16, 1918 



PRIHTBD BT 



KANSAS STATE PRINTING PLANT 



IMRI ZUMWALT, State PRiNTKn 



TOPEKA, 1920 



8-2199 



