14 The Control of Mosquitoes 



since then has been mostly a question of economy. 

 The sanitary department of the Republic of Cuba 

 has continued the work started by Colonel Gorgas 

 and deserves great praise for the excellent record 

 it has maintained. 



To review the results of the Havana campaign, 

 the records show : 



Population of Havana, 350,000. 



From 1890 to 1900, — 5643 deaths from malaria. 



From 1900 to 19 10, — 444 deaths from malaria, 

 with a largely increased population. 



It is interesting to note the rapidity with which 

 malaria control was accomplished, as shown by the 

 following table: 



TABLE OF DEATHS FROM MALARIA IN HAVANA, CUBA, 

 I9OI TO I9I2 



Malarial fever is almost eliminated from Havana 

 and its suburbs. 



The cost of maintaining this condition is very 



