CONTROL MEASURES FOR CARRIBEAN MOSQUITOES 
363 
Fig. 8. Compania Agrieola de Ulua, La Lima, Re¬ 
public of Honduras. A well-screened bouse built 
by the United Fruit Company for bachelor quarters. 
Liberia, the capital of the province of 
Guanacaste, is one of the latter. At Liberia 
the spleen index among school children has 
been reduced to one-fifth of its initial figure 
and the blood parasite index to about one- 
fifteenth. 
The exact amount spent for malaria con¬ 
trol is not always accurately recorded, but 
some data on the expenditures made for this 
purpose during the past 5 years by the gov¬ 
ernments of Panama, Puerto Rico, El Sal- 
Fig. 9. Compania Agricola de Ulua, Zapote Camp, 
Republic of Honduras. Concrete gutters for slops 
at the rear of the kitchens of the laborers ’ houses. 
Waste water from pumps goes into these same 
gutters. 
vador, Costa Rica, and Cuba are presented 
in Table II. 
From 1935 to 1939 the average annual 
expenditure for malaria control in the 
Republic of Panama has been about 5 per 
cent of its budget. Some drainage work has 
been done in at least 18 localities and in 
several of these towns the necessary ditches 
have been practically completed. Dr. Craw- 
Fig. 10. Localities in the Caribbean area where drainage work for the control of malaria has been done 
in the past or is still in progress. 
