DEVELOPMENT OF CONTROL MEASURES 



oi 



15,000 employes, and did not include such cases as were treated 

 by local physicians. An appropriation of about $3,000 was 

 made for the purpose of initiating anti-mosquito measures, 

 which were begun, in co-operation with the U. S. Public Health 

 Service, at Tyler, Lufkin and Keltys, Tex., early in 1917. 



Fig. 49. — Results of mosquito eradication campaigns at Hamburg, Lake Village, 

 Dermott, Monticello and Bauxite, Ark. 



The following table shows the cases of malaria admitted to the 

 hospital at Texarkana from places where anti-mosquito work 

 was carried on in 1916 and 1917 respectively: 



in lc. 



1917 



Number of cases admitted . 

 Per cent of decrease 



13 

 59.4 



