LETTER OF TRANSMITTAL 



U. S. Department of Agriculture, 



Division of Entomology, 

 Washington, D. 0., July 7, 1896. 

 Sir: I have the honor to submit for publication the accompanying 

 account of the principal household insects of the United States. 

 Respectfully, 



L. O. Howard, 



Entomologist. 

 Hon. J. Sterling Morton, 



Secretary of Agriculture. 



