beg hay 
Dr. Back went to New York April 8 to inform himself regarding devel- 
opment of certain so-called mothproofing treatments now being advertised 
rather extensively. 
Friends of R. T. Cotton will be glad to learn that he is rapidly re- 
covering from an operation for appendicitis. 
BEE CULTURE INVESTIGATIONS 
E. F. Phillips, Apiculturist in Charge 
ae 
teh 
Recent visitors to the Bee Culture Laboratory were Prof. N. E. Phillips, 
Extension Apiarist, and D. L. Van Dine, Extension Entomologist, both from 
State College, Pa. Dr. E. Kohn of Grover Hill, Ohio, and Dr. L. D. Leonard 
of Minneapolis, Minn., both prominent beekeepers, also visited the laboratory. 
\ 
E. F. Phillips and A. P. Sturtevant made a short trip to New York State © 
in connection with the work on bee diseases. 
CEREAL AND FORAGE INSECT INVESTIGATIONS 
G. A. Dean, Entomologist in Charge 
K. W. Babcock visited Washington during the week of April 18-25 in 
preparation for a trip to central and southern Europe for the purpose of in- 
vestigating the environmental relations of the corn borer in continental 
Hurope. It is Mr. Babcock's intention to sail for Europe on May 10. 
P. R. Myers visited Washington during the first week of April in con- 
nection with the preparation of a taxonomic paper on parasites of the Hessian 
fly, which he hopes to publish within the next few months. 
The motion picture entitled "Hoppers" has been released by the Motion 
Picture Service of the Department. This film was made in cooperation with 
this branch of the Bureau and was directed in part by Mr. Stewart Lockwood, 
in charge of the grasshopper work in the Northwestern States. In addition 
to some very excellent pictures of actual control work, this film contains 
several very successful views of the hatching and early development of one 
of the larger species of grasshoppers. 
Prof. Geo. A. Dean spent several days in Ohio during the Zuropean corn 
borer clean-up campaign. From here he went to Sioux City, Iowa, to visit the 
laboratory of the branch of Cereal and Forage insect Investigations. He then 
went to Salt Lake City, Utah, to discuss matters relative to the alfalfa 

