U. S. DEPARTMENT OF AGRICULTURE, 



division of entomology. 



Bulletin Xo. 10. 



(SECOXD, EEA'ISKD EDITION.) 



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 



C. V. RILEY, 



ENTOMOLOGIST. 



WASHINGTON: 

 GO VEB N M l : N T PRINTING OFFICE. 



1 s s s . 

 210G1— Bull 10 



