LETTER OF TRANSMITTAL. 
U.S. DEPARTMENT OF AGRICULTURE, 
BurREAU OF ENTOMOLOGY, 
Washington, D. C., October 26, 1912. 
Sm: I have the honor to transmit herewith, for publication as 
Bulletin No. 97, seven papers dealing with deciduous. fruit insects 
and insecticides. These papers, which were issued separately during 
1911-12, are as follows: Spraying Experiments Against the Grape 
Leafhopper in the Lake Erie Valley, by Fred Johnson; Life History 
of the Codling Moth and Its Control on Pears in California, by S. W. 
Foster; Vineyard Spraying Experiments Against the Rose-Chafer 
in the Lake Erie Valley, by Fred Johnson; The California Peach 
Borer, by Dudley Moulton; Notes on the Peach and Plum Slug, by 
R. A. Cushman; Notes on the Peach Bud Mite, by A. L. Quaintance; 
The Grape Scale, by James F. Zimmer. 
Respectfully, L. O. Howarp, 
Entomologist and Chief of Bureau. 
Hon. JAMES WILSON, 
Secretary of Agriculture. 
III 
