Smithsonian Report, 1948.—Knipling 
1. The body louse colony receives a blood meal. The lice clinging to the woolen 
pads placed on the back of the subject crawl beneath them and begin feeding 
almost immediately. The feeding process takes 20 to 30 minutes. 
2. R. C. Bushland and E. F. Knipling examining treated “farm and leg” gar- 
ments on research subjects to determine results of tests with insecticides for 
the control of body lice. 
