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mang ae 
STORED-PRODUCT INSECTS 
E. A. Back, in Charge 
During the pericd May 12 to 26 Dr. R. T. Cotton visited Oklahoma 
City, Okla., and Mineral Wells and Amarillo, Tex., where he gave talks 
at the request of local grain dealers' associations on the fumigation of 
grain with the ethylene oxide-carbon dioxide mixture. On his return he 
Stopped at St. Joseph and St. Louis, Mo., to consult with establishments 
dealing in nut meats and confections. 
On May 25 Dr. E. A. Back visited Suffolk, Va., for the purpose of 
consulting with firms storing peanuts, with a view of starting coopera- 
tive investigational work on the control of insects affecting this com- 
modity. | 
Dr. Back gave an illustrated talk on insects affecting confections 
and nut meats on June 4 before the convention of the National Confection- 
ers' Association held in Chicago. 
Wallace Colman, of the household insect investigations, Sligo, Md., 
spent June 14 to 15, in Boston, Mass., conferring with William G. Hamil- 
ton, whose appointment as temporary Field Assistant became effective June 
15. 
A. 0. Larson, Corvallis, Oreg., C. K. Fisher, Mcdesto, Calif., and 
P. Simmons, D. F. Barnes, and A. W. Morrill, jr., of Fresno, Calif., at- 
tended the recent meetings of the American Association for the Advance— 
ment of Science at Pasadena, Calif. 
Athol W. Greene, a graduate of the Virginia Polytechnic Institute, 
Blacksburg, Va., waS appointed temporary Field Assistant, effective June 
15, and assigned to the Tobacco Insect Investigations, at Richmond, Va. 
A. W. Morrill, jr., was transferred June 350 from the dried fruit 
insect investigations at Fresno, Calif., to the stored-tobacco insect in- 
vestigations at Richmond, Va. 
On June 26 to 27, Dr. Back visited a number of the leading tobacco 
establishments in Hartford, Conn., for the purpose of observing methods 
employed for control of the tobacco beetle. 
On June 29 inspections were made of docks in the New York area 
which store flour intended for export. It is said that more than 80 per 
cent of the flour exported from the United States passes over these docks. 
The laboratory for the investigation of insects affecting stored 
tobacco was moved on June 30 from Danville, Va., to 200 Bland Street, 
Richmond, Va. 
