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U. S. DEPAR I'MIA I' I )l AGRICULTURE 
BUREAU OF WTOMOLOQT CIRCULAR Ho. 154. 
L. O. HOWARD. Eniomologirt *nd Clurf of Burc»u. 
THE LEAF BLISTEB .MITK. 
A. L. QUAINTANCE, 
U V - 1 1 , 
