U.S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
BULLETIN No. 10. 
OUR 
SHADE TREES 
AND THEIR 
INSECT DEFOLIATORS., 
BEING A CONSIDERATION OF THE FOUR MOST INJURIOUS SPECIES 
WHICH AFFECT,THE TREES OF THE CAPITAL; 
WITH MEANS OF DESTROYING THEM. 
BY 
CoV. BEE Y. 
ENTOMOLOGIST. 
WASHINGTON: 
GOVERNMENT PRINTING OFFIOE. 
1887. 
17527—Bull. 10 
