LETTER OF TRANSMITTAL 



United States Department or Agriculture, 



Bureau of Entomology, 

 Washington^ D. G.^ Fehrtiary S6, 1907. 

 Sir: I have the honor to transmit herewith the manuscript of 

 an account of the cotton bollworm, by F. C. Bishopp and C. R. 

 Jones, of this Bureau, based on investigations conducted during the 

 years 1905 and 1906, and to recommend its publication as a Farmers' 

 Bulletin. The investigations are in continuation of those reported 

 for the years 1903 and 1904 and published as Farmers' Bulletins 

 191 and 212 and Bulletin No. 50 of the Bureau of Entomology. 

 Respectfully, 



L. O. Howard, 

 Entomologist and Chief of Bureau. 

 Hon. James Wilson, 



Secretary of Agriculture. 



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