LETTER OF TRANSMITTAL. 



United States Department of Agriculture, 



Bureau of Entomology, 



Waskmgkm, D. C, April 11, 1905. 

 Sir: I have the honor to transmit herewith the copy for a catalogue 

 of the exhibit of economic entomolog-y made by the Bureau of P^nto- 

 molog-y at the Lewis and Clark Centennial Exposition held at Portland, 

 Oreg., during the present year. It has been compiled, under my 

 direction, by Mr. RoUa P. Curric, assistant in the Bureau of Ento- 

 mology, and I recommend its publication as Bulletin No. 53 of this 

 Bureau. 



Respectfully, L. O. Howard, 



EiitonLologist. 

 Hon. James Wilson, 



Secretary of Agriculture. 

 (2) 



Ac^ 



