COMMISSION OF IMMIGRATION AND HOUSING. 53 



faces should be treated, once every ten days, with a mixture of crude oil 

 and kerosene, half and half, to avoid the breeding of malaria-bearing 

 mosquitoes. 



Figure 42 shows a knapsack spray, five-gallon capacity, which is 

 recommended for applying the oil. 



Figure 43 shows tin cans and barrels in which water may stand, 

 affording breeding places for mosquitoes. 



XII. 

 Sanitation Service. 



1. Each large camp should have one or more able-bodied men, whose 

 entire time should be devoted to the cleaning up of the camp. 



2. The cooperation of every person in the camp is needed for securing 

 the best results. 



3. It is the duty of every employer to obey conscientiously the law 

 requiring him to report immediately to the local Health Officer all 

 communicable diseases, such as typhoid, smallpox, etc. 



4. In camps of 50 or more persons, a fly-proof and mosquito-proof 

 tent house should be provided for receiving the sick. 



See page 54 for camp placard. 



