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, 



C. V. RILEY, 



Entomologist. 

 Hon. Geo. B. Loring, 



Commissioner of Agriculture. 



