DESTROYING AND REPELLING MOSQUITOES 107 



species of mosquito (the Stegomyia), to insure its destruction it is 

 necessary to destroy all mosquitoes. 



In places liable to yellow fever both individuals and communities 

 have an effective method of protecting themselves, as indicated above. 

 Use the mosquito bar at once over all cases of fever until the danger 

 from yellow fever has passed. Destroy all mosquitoes. 



WALTER WYMAN, 



Surgeon-General. 



