LETTER OF TRANSMITTAL. 
U.S. DEPARTMENT OF AGRICULTURE, 
BuREAU OF ENTOMOLOGY, 
Washington, D. C., November 20, 1911. 
Srr: I have the honor to transmit herewith, for publication as 
Bulletin No. 80, eight papers dealing with deciduous fruit insects 
and insecticides. These papers, which were issued separately during 
the years 1909-10, are as follows: The Codling Moth in the Ozarks, 
by E. L. Jenne; The Cigar Case-Bearer, by A. G. Hammar; Addi- 
tional Observations on the Lesser Apple Worm, by S. W. Foster and 
P. R. Jones; The Pear Thrips and Its Control, by Dudley Moulton; 
On the Nut-Feeding Habits of the Codling Moth, by S. W. Foster; 
Life History of the Codling Moth in Northwestern Pennsylvania, by 
A. G. Hammar; The One-Spray Method in the Control of the Codling 
Moth and the Plum Curculio, by A. L. Quaintance, E. L. Jenne, 
KE. W. Scott, and R. W. Braucher; Tests of Sprays Against the Euro- 
pean Fruit Lecanium and the European Pear Scale, by P. R. Jones. 
Respectfully, 
L. O. Howarp, 
Chief of Bureau. 
Hon. JAMES WILSON, 
Secretary of Agriculture. 
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