LETTER OF SUBMITTAL. 



Department of AamcuLTURE, 

 Division of Entomology, 

 Washington, D. C, March 15, 1884. 

 Sir: On behalf of the United States Entomological Commission, and 

 in accordance with the act of Congress, approved March 3, 1881, which 

 provides that the reports of said Commission be made to the Commis- 

 sioner of Agriculture, I have the honor to submit this, its fourth report. 

 Respectfully, 



C. Y. EILEY, 

 Chief U. S. K G. 

 Hon. George B. Loring, 



Commissioner of Agriculture, 



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