LETTER OF TRANSMITTAL. 



U. S. Department of Agriculture, 



Division of Entomology, 



Washington, D. C. , July 5, 1900. 

 Sir : I have the honor to transmit herewith the manuscript of a bul- 

 letin for which there has been much demand among workers in ento- 

 mology, and the publication of which I recommend under the title, 

 Bulletin No. 2<±, new series, U A List of Works on North American 

 Entomology." 



Respectfully, L. O. Howard, 



Entomologist. 

 Hon. James Wilson, 



Secretary of Agriculture.. 



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