LETTER OF TRANSMITTAL. 
United States Department op Agriculture, 
Division of Entomology, 
Washington, D. G., March 15, 1898. 
Sir : I transmit herewith for publication Part YI of the Bibliography 
of the More Important Contributions to American Economic Ento¬ 
mology, bringing the whole bibliography down to the close of the cal¬ 
endar year 1890. This part was promised in the letter of transmittal 
to Part V. 
Respectfully, 
Hon. James Wilson, 
Secretary of Agriculture. 
L. O. Howard, 
Entomologist. 
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