Aaia  Praid at Prairie da Sao Report   (coat)                   3 
history of Wisconsin wildlife. 
Hanson will complete a Master's thesis on his work some time this 
summer, and this will probably be later Oompiled with the aous   ated 
data of Arrngton and Leopold in one comprehensive publicatiou on 
population studies at Prairie du Sac since 1929. A preliminr maam- 
soript of this publication is alread prepared and has uandergone three 
revisions. 
The proJect has been 'otimed for the next fisoal year, but 
Hanson will probably have to enter militar7 service some time during the

year. If he completes his thesis, however, and this should be 
copleted within the next two months, the preparatiou of the bulletin 
0an go forward In his absence.