JANUARY, 1906 



BULLETIN 234 



CORNELL UNIVERSITY 



AGRICULTURAL EXPERIMENT STATION OF 

 THE COLLEGE OF AGRICULTURE 



Department of Entomology 



THE BRONZE BIRCHBORER: 



AN INSECT DESTROYING THE WHITE BIRCH 



An infested birch in one of the Buffalo Parks, 



By M. V. SLINGERLAND 



ITHACA, N. Y. 

 PUBLISHED BY THE UNIVERSITY. 



