101 



the Culex or Stegomyia fasciata, is so far known to cause 

 the deadly yellow fever. But these disease-bearing spe- 

 cies are widely distributed over the earth, accounting 

 for the wide distribution of malaria and yellow fever. 



Fig. 32. Aedesfuscus. I, female adult; 2, female palpus; 3, male 

 palpus; 4, front, 5, middle, 6, hind claws of male; all much enlarged. 

 After J. B. Smith. 



