ae ee 
On February 14 Dr. Back gave an illustrated talk before the second 
class at the National Cleaners ani Dyers Institute, Silver Spring, Md. 
This class of young men numbers sixty-eight, representing about thirty- 
five States of the Union. 
S. E. McClendon, in charge of the field laboratory at Thomasville, 
Ga., reports that very promising results have been secured with tests 
of chloropicrin as a corncrib fumigant. 
R. R. Rau, Secretary of the National Retail Furniture Associa- 
tion, visited the Bureau on February 20. 
GIPSY MOTH AND BROWN-TAIL MOTH INVESTIGATIONS 
A. F. Burgess, Senior Entomologist, in Charge 
A. F. Burgess spent the first week of February in Washington, 
conferring with Bureay officials, 
In the week of February 20 J. V. Schaffner, jr., spent several 
days at the United States National Museum, at Washington, comparing 
lepidopterous specimens reared at the gipsy moth laboratory with those 
in the Museum collections. His studies in Washington were suddenly in- 
terrupted by an attack of appendicitis, necessitating his immediate 
return home. He is now convalescing after a successful operation. 
P. B. Dowden was in Washington during the week of February 20, 
completing arrangements for foreign parasite work. He sailed from New 
York February 29 on the S. S. George Washington. Mr. Dowden will visit 
several entomologists and the VU. S. Corn Borer Laboratory at Hyéres, 
France, before proceeding to the gipsy moth laboratory at Budapest. While 
in Europe he will be associated with C. F. W. Muesebeck and R. C. Brown, 
at Budapest. . Mr. Muesebeck expects to return to Melrose at the close of 
the summer's parasite work, and Mr. Dowden will remain in Europe to con~ 
tinue these investigations and the shipment to the United States of the 
beneficial species. 
C. P. Clausen, of the Japanese Beetle Investigations, was a recent 
visitor at the gipsy moth office and laboratory at Melrose Highlands. 
Alejandro de Mesa, of the Bureau of Forestry, Department of Agri- 
culture, Guagua, Pampanza, Phillippine Islands, spent February 235 and 
part of the 24th at the gipsy moth office and laboratory at Melrose 
Highlands. He has recently finished studies on forest entomology at 
Cornell University, and will visit several entomological stations in the 
United States before he returns to the Philippine Islands, 
