are 
H. J. Reinhard, of the Texas Agricultural Experiment Station, at 
College Station, has been engaged at the Museum since January 25 on a 
study of the North American species belonging to the tachinid genus Winthe- 
mia. Before leaving Washington he expects to make substantial pro-— 
gress in a classification of these flies. 
SES ce ce ce ee ee me cee an ee a ee ae en oe cen 
TRUCK—CROP INSECTS 
J. E. Graf, in Charge 
After attending the scientific meetings at Des Moines, Iowa, 
in the holiday season, Walter Carter, in charge of the field labor- 
atory at Twin Falls, Idaho, visited Washington, D. C., January 3 to 
9, for consultation and to discuss, with workers in the Bureau of Plant 
Industry and others, matters dealing with the cooperative work on the 
Sugar—beet leafhopper. He returned to Twin Falls on January 14, via 
et. Paul, Minn., where he conferred with Dr. R. N. Chapman and others. 
D. E. Fink, in charge of the field laboratory at Philadelphia, 
Pa., advises that Dr. Jaymie R. Peirera, Professor of Pharmacology of 
Sao Paulo Medical School, Sao Paulo, Brazil, visited his laboratory 
on January 15, to obtain first~hand knowledge of the "Electro-Gutzeit 
Apparatus" perfected at this laboratory. This apparatus has been the 
subject of inquiry from State experiment stations, entomologists, chemi- 
cal companies, and the Research Institute, Melbourne, Australia. Word 
has been received that Dr. N. F. True, chief chemist for Mead, Johnson & 
Co., Evansville, Ind., has had a similar apparatus constructed for work 
in infant diet. 
R. W. Brubaker, a senior student of Ohio State University, has 
been appointed Field Assistant in investigations of mushroom insects 
at Arlington, Va. 
COTTON INSECTS 
B. R. Coad, in Charge 
T. C. Barber, in charge of the field laboratory at Brownsville, 
Tex., spent several days in the latter part of January at Tallulah, 
La., in conference with B. R. Coad on research on the flea hopper in 
the lower Rio Grande Valley. 
The appointment of Thos. C. Davis, Field Assistant, was terminated 
on January 18, and that of Sloan E. Jones on January Sl. 
