LETTER OF TRANSMITTAL. 
TJ. S. Department oe Agriculture, 
Division of Entomology, 
Washington, D. C, January 19, 1892. 
Sir : I have the honor to transmit, for publication as Bulletin No. 
27 of this Division, the following reports by three of the field agents of 
the Division on the damage done by destructive locusts during the 
season of 1891. 
Respectfully, 
0. V. Riley, 
Entomologist. 
Hon. J. M. Rusk, 
Secretary of Agriculture. 
5 
