LETTER OF SUBMITTAL. 
DEPARTMENT OF AGRICULTURE, 
DIVISION OF ENTOMOLOGY, 
Washington, D. C., January 8, 1884. 
Sir: I have the honor to submit for publication Bulletin No. 4, from 
this Division, prepared under your instructions. 
Respectfully, 
Cc. V. RILEY, 
Entomologist. 
Hon. Geo. B. LORING, : 
Commissioner of Agriculture. 
