348 
sent on special missions to various parts 
of the world by the Army and Navy 
for the purpose of disseminating the 
new information and to participate in 
important research activities designed 
to adapt control methods against im- 
portant insects in their natural habitat. 
Special reports under security re- 
strictions were issued on all aspects of 
the research programs. These were 
made available for distribution by the 
Office of Scientific Research and De- 
velopment to key personnel in the 
armed services and other institutions. 
Assistance was given to the Army and 
Navy in the preparation of training 
ANNUAL REPORT SMITHSONIAN INSTITUTION, 1948 
films which demonstrated how per- 
sonnel in our services could protect 
themselves from attack by the many 
insects and insect-borne diseases. 
Near the end of the war and imme- 
diately following, we undertook the 
task of publishing in technical form 
the vast amount of data accumulated 
in connection with the studies carried 
out over a period of almost 4 years. 
Many of the data may never appear 
in print, but the most significant con- 
tributions, contained in more than 150 
technical papers, have already been 
published or are in the process of pub- 
lication in scientific journals. 
