3^ 



Y :3TaTI 



L^ITED STATES 



DEPARTMENT OF AGRICULTURE 



LIBRARY 



St4B 



Booknumber ^''---^-i^^ui^ta. v.i 



PRESENTBD BY •» 



Biireau of Zntomolo-ry 

 and Plant •iuarantine 

 (Barnes Ccl lection) 



