80 



MOSQUITO ERADICATION 



should be instituted, the size depending upon the amount of 

 of work and the area of operations. Generally speaking, this 

 service should be organized in such manner that immediately 

 an inspector discovers some situation which needs remedying, 



Fig. 53. — Above, large pool of stagnant water, affording an ideal breeding- 

 place for mosquitoes. Below, same pool drained. 



the appropriate action is taken without delay, be it emergency 

 drainage that is required, weekly oiling or stocking a place 

 with fish. 



PERSONNEL 



Generally speaking, the man in charge of the drainage work 

 should have had some experience as a labor foreman, preferably 



