COMMUNITY SANITATION 



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carried to Barren Island, where it passes through the 

 reduction plant. The material that arrives at Barren 

 Island is first loaded into digesters, where it is cooked 

 with hot steam for several hours. It is then placed in 

 hydraulic presses which press out the grease and oil. 

 This grease is placed in barrels and sold to the soap 



FIG. 370. Dumping Garbage into a Scow to be Taken out to Sea. 



making industries. The remainder of the digested gar- 

 bage is used for fertilizer. 



When garbage is permitted to accumulate, it forms a 

 breeding place for flies and other disease-carrying insects. 



Flies. " Swat the fly " is a popular and praiseworthy 

 slogan. " Fight the Filth " is a better one, for only 

 through the elimination of filth will the campaign against 

 the fly be successful. Flies breed in filth, in body wastes 

 of animals, manure piles, vaults, etc. As they grow they 

 feed in filthy places. They enter sickrooms 'and gather 



