
mB ee 
Dr. L. M. Bertholf, who continued this summer, at the Bee Culture 
Laboratory, his studies on the reaction of bees to light of various 
wave lengths and intensities, resigned his. temporary appointment on 
August 29 to resume his duties at Western Maryland College, Westminster. 
Md. . 
TRUCK CROP INSECTS 
Ve Gs Ghat, 2n) Charee 
Early in September W. J. Reid, Jr., returned to Charleston, S. C., 
after spending the summer at Columbus, Ohio, assisting Dr. D. M. DeLong, 
of Ohio State University, in experiments on the control of the potato 
leafhopper. 
J. ©. Elmore, of the field laboratory at Garden Grove, Calif., 
visited points in New Mexico and Texas early in September to make ob- 
servations on the pepper weevil and to arrange for certain cooperative 
experiments on this insect with the entomologists of the New Mexico State 
College. 0 
J. E. Dudley, Jr., of the field laboratory at Madison, Wis., visited 
Washington, D. C., September 12 and 15, to confer with Bureau officials 
regarding his work for the past season on the pea aphis. 
F. S. Chamberlin, of the field laboratory at Quincy, Fla., visited 
Washington, D. C., September 16 and 17, to confer with Bureau officials 
regarding his work on tobacco insects. 
C. I. Bliss, of the New Orleans, La., field laboratory, visited 
the field laboratory at Biloxi, Miss., on September Q. 
The temporary appointments as field assistants of L. L. Odom, 
feenosen, J. H. Lilly, 0. \W. Rosewall,.L. Jones, R. W. Dean, J. F. Roe, 
mmeeeyork. J. F. Bock, P. M. Bide, A. C. Cole, Jr., H. L. Wiseman, and 
H. A. Waters have been terminated. 
Resignations have been accepted from D. M. DeLong, F. W. Flet-— 
cher, D. F. Miller, and R. W. Brubaker, who have been serving as tem- 
porary field assistants, in order that they might return to duties at the 
Ohio State University. 
P. K. Harrison, Junior Entomologist, who has been stationed at 
Picayune, Miss., and employed with ‘this division for more than three 
years, resigned September 8, in order to pursue work towards a master's 
degree at the University of Maryland. 
