Mosquitoes and Yellow Fever 



537 



published an experimental research showing that mosquitoes spread 

 the infection of yellow fever, and the interesting and valuable ob- 

 servations of Carter* upon the interval between infecting and 

 secondary cases of yellow fever, turned their attention to the mos- 

 quito. Securing mosquitoes from Finlay and continuing the work 



Fig. 223. Stegomyia fasciata (Stegomyia calopus}: a, female; b, male 

 (after Carroll). 



where he had left it, they found that when mosquitoes (Stegomyia 

 fasciata sen calopus) were permitted to bite patients suffering from 

 yellow fever, after an interval of about twelve days they became able 

 to impart yellow fever through their bites. This infectious char- 

 acter, having once developed, seemed to remain throughout the 

 * "New Orleans Med. Jour.," May, 1900. 



