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STORED-PRODUCT INSECT INVESTIGATIONS 
E, A. Back, Senior Entomologist, in Charge 
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The June, 1927, issue of "Refrigerating Engineering" carries a. short. 
article by E. A. Back and R. T. Cotton entitled “Effect of Cold Storage Upon | 
Clothes Moths." es ie at 
On July 8 the Bureau received from B. R.. Beall, Special Representative 
of the Claim Prevention Department of the Chicago, Rock Island and Pacific © 
Railway Company,a copy of the published "Proceedings, Millers' Export in- 
spection Bureau and Railroad Representatives." 
Dr. E, A. Back attended the convention of the National Furniture 
Warehousemen's Association, held-in the Grand Hotel, Mackinac Island, Mich., 
JULY. Oi UOs 1s 
On July 5 a conference regarding insects was held at Sacramento, Calif. 
Among. those present were Lee Strong, of the California State Department of 
Agriculture, D. K. Grady, of San Francisco, Secretary of .the California Dried 
Fruit Association, Perez Simmons and W. D. -Reed, of the Bureau's laboratory 
at Fresno, Calif., and Prof, O'Kane, of the Crop Protection Institute. 
J. C, Hamlin returned to Fresno July 12, after spending a month in the 
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During July Geo. W, Ellington has been collecting large:numbers of sam- 
ples of wheat from eastern wheat fields, as part of the program in connection 
with the Angoumois grain moth investigation. . 
Sr. Manuel EH. Odriozola, of Peru, visited-this office in duly to. obtain 
information regarding the latest developments in bean weevil control. 
FOREST INSECT INVESTIGATIONS 
F. C, Craighead, Senior Entomélogist, in Charge 
Dr. F. 0, Craighead left Missoula, Mont., on July 16 for Coeur..d'Alene, 
Idaho. From the latter point he proceeded to the Colorado National Forest, 
where studies of the Black Hills beetle are being conducted. 
G, F. Holdaway and Stanley Garthside, of Australia, were recent visit- 
ors at this office. Mr. Garthside left Washington to visit the branch field 
station at Bent Creek, near Asheville, N. C., and expects to spend the winter. °- 
Working with Dr. S, A. Graham, at the University of Michigan, or in the: Uni- 
versity of Minnesota. 
