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U. S. DEPARTMENT OF AGRICULTURE. a? 
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W. F. FISKE RETURNS TO ENGLAND. 











F. Fiske, who has been in British Hast Africa for some time in the investiga- 
Ihe bionomics of Tsetse flies for the Imperial Bureau of Entomology, has re- 
bo England by way of Khartum and Cairo. 
4 7 
“ 1 
VISITING SCIENTISTS DURING APRIL. 
ior in late years nuit badly hata by Dermestids. 
f. M. Caullery, successor to the late Alfred Giard as Director of the Lab- 
r. Frank R, Lillie, Professor of Zoology and Embryology at the University of 
Z0, visited the Bureau on the 20th for two or three hours, and said that the 
Fr j make greater efforts to understand each other's work. 
A DANGEROUS IMPORTATION. 
During the month it transpired that the British Steamship Appam, brought to 
k, Va., as a German prize of war had about two hundred tons of cotton seed 
est Africa as a part of its cargo. Messrs. Marlatt and Hunter visited Nor- 
nd Newport News in connection with the disposition of this seed which was 
to be infested by the pink bollworm (Gelechia gossypiella). A provisional 
f the seed by the Admiralty Court to an oil-mill in North Carolina was set 
when the danger was explained. Arrangements were immediately made for 
g the entire lot in sulphuric-acid vats as a preliminary to the conversion 
ee. into fertilizer. As an additional precaution the holds of the Appam 
6 fumigated with hydrocyanic-acid gas under the supervision of Mr. Morrison. 
NATIONAL COMMITTE ON MALARIA. 
Soticwing the adoption of a resolution by the second Pan American Scientific 
mi to the effect that all American countries should sienpurate plans for ma- 
throughout the United States has been organized. The main work outlined 
