Biology and Medicine 



451 



by a U. S. Army Commission appointed by Surgeon-General 

 Sternberg in 1 !)()(), during our occupation of Cuba. Tlie 

 commission consiste<l of three Ainericans, with Walter Kecd 

 in charge, assisted by James Can-oil and Jesse I^azear and 

 a Cuban, Aristides Agramonte. Two wel^ built houses were 

 erected in the same situation, and fully sei-eened. In one of 

 these soiled bedding, brought direct from yellow fever patients 

 in Havana, was placed, and here a number of men lived for 

 several weeks without a single case of yellow fever developing 

 among them. In the other house were' two rooms separated 

 only by a mosquito proof screen. One of these rooms was 

 kept free from mosquitoes, while in the other were placed 



Carroll, Lazear and Eeed 

 Members of the U. S. Yellow Pcver Gominission, which (ieiuoiistiateil 

 I he role of mosquitoes in the carriage of yellow fever. 



Coui-tcsy of the U. 8. Bureau, of Entomology. 



mosquitoes which had bitten yellow fever patients. Among 

 the men occupying the former no case of the disease devel- 

 oped, while one-half of those in the latter room developed the 

 disease. In another experiment seven men were bitten by in- 

 fected mosquitoes contained in a glass jar, and five of them 

 contracted the disease. The subjects of these experiments 

 were volunteers, meml)ers of the ('(»ininissi(.n t heniselves, 

 U, S. soldiers and three Spaniards. Doctor Lazear died of the 

 fever, as the result of an accidental bite by an infected 

 mosquito. Dr. Carroll, contracted the disease, as the result 

 of his experiments, and while he i-eeovered from the fever, 

 his death, four years later, was probably indirectly tlue to 

 this attack. The first soldier who volunteered was John R. 



