278 The Control of Mosquitoes 



work had to be done thoroughly, or was of practi- 

 cally no value. 



The city was divided into eleven districts for 

 purposes of house to house inspection for locating 

 and eradicating breeding places. An inspector 

 was assigned to each district. He rendered daily 

 reports of the status of each house visited, with 

 regard to water containers. The force employed 

 was composed largely of natives, who did not at 

 first realize the importance of their work. They 

 were fully instructed as to their duties, and their 

 work was checked. When doubt arose as to the 

 quality of the inspector's work, half a dozen of the 

 houses in his district were inspected the day before 

 he visited them, and his reports were checked 

 against the special inspection reports. 



Then, again, the districts were changed at 

 frequent intervals, which served as a check on 

 each man's work, so that before long each inspector 

 either became efficient, or was replaced by a better 

 man. The reason for reinspection and changing 

 of inspectors was to determine the amount of 

 time required for inspecting the districts, and to 

 teach the men not to miss a single container. 

 Every man was checked, and had to work with 

 about the same rapidity, cover as much ground, 

 and show as thorough results as the most efficient 



