JANUARY, 1906 



BULLETIN 234 



CORNELL UNIVERSITY 



AGRICULTURAL EXPERLVIENT STATION OF 

 THE COLLEGE OF AGRICULTURE 



Department of Entomology 



THE BRONZE BIRCH BORER: 



AN INSECT DESTROYING THE WHITE BIRCH 



A n infested birch in. one of the Buffalo Parks 



By M. V. SLINGERLAND 



ITHACA, N. Y. 

 PUBLISHED BY THE UNIVERSITY 



137 



