c 



A\5 8— ijll* 



\ /UNIVERSITY BULLETIN 



KM. 



NEW SERIES, VOL. XXI, NO. 7>7- ' MA Y I, 1 920. 



UNIVERSITY OF MICHIGAN 

 SUMMER SESSION 



ANNOUNCEMENT 



FOR THE 



BIOLOGICAL STATION 



EIGHT WEEKS, JUNE 28— AUGUST 20 



TWELFTH SEASON, 1920 



Ann Arbor 



PUBLISHED BY THE UNIVERSITY 

 1920 



