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MONTHLY LETTER OF THE BUREAU OF ENTOMOLOGY 
UNITED STATES DEPARTMENT OF AGRICULTURE 
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COTTON-INSECT INVESTIGATIONS i 
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Bune coads. ip) Charge Rae T i ers 
CG. C. McCall, Field Assistant at the Delta Laboratory, is con- 
ducting a course in Spanish for members of the staff, particularly those 
who may in the future conduct entomological investizations in Mexico. 
The class began June 11 and meets three times a week, with eleven stu- 
dents in regular attendance. 
Dr. Uunio Saalas, Professor of Agriculture and Forest Zoology, 
Helsingfors, Finland, was a visitor at the field laboratory at Tal- 
Beeaneauno =< and 28. Dr. Saalas' special-interest is in the study of 
forest insects and their control. Demonstrations of dusting with air-— 
planes and machinery operated on the ground were of great interest to 
him. His travels in the United States will include visits to several 
national forests and universities. He will attend the International 
Entomological Congress at Cornell University in August. 
John F. Payne, pilot of the Tallulah field laboratory, spent June 
19 and 20 in airplane dusting of pecan trees at Albany, Ga., in coopera- 
tion with J. B. Demaree, of the Division of General Orchard Disease In- 
vestigations, Bureau of Plant Industry. 
VeEveoelLunans. 3, KnV.. otewart,. and» D. H., Ratoliff,-of .ihe 
Tallulah field laboratory, left Tallulah for Ardmore, Okla., June 19. 
Messrs. Stewart and Ratcliff will assist Mr. Williams in tests on con- 
trol of the boll weevil, to be conducted in cooperation with the Oklahoma 
State Experiment Station and Extension Service. 
The following men were appointed as temporary assistants at the 
field fap0ratory, at Tallulah an the month of:June: Rex &. McGarr, 
Daveg.c. Young, Herman D. Tate, J. K,. V. Stewart, D. H. Ratcliff, Geo. 
aeoteaid, Ulys Re Gore, John S. Graham, Jas. E. Culpepper, Robert T. 
Patty, Bertram A. Moers, Fred B. Russell, T. C. Fortenberry, Sloan E. 
Jones, and W. L. Baker. 
F. C. Bishopp spent June 2 at the Florence, S. C., field labora— 
tory, going over the cooperative work on the boll weevil now under way 
in) South Carolina. This work is carried on jointly by the Bureau of 
Entomology and the experiment station and extension service of that 
State. 
Rie = = i ERs 
rieijRBRARY 
partment of Avrieulture | 
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