s 



353.9 



E3R 



1912 NO. 9 



^ TANA Agricultural College 



Experiment Station 



K. B. LINKIELD, Director. 



BULLETIN No. 88. 



Ninth Annual Report of the 



State Entomologist 



of Montana 



E.CIme_- 



bY 

 R. A. COOLEY 



BOZEMAN, MONTANA 



FEBRUARY, 1912 



