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I. 156, Bureau of Chemistry, U. S. Dept. of Agriculture. 



. ..... , PLATE IV. 



FIG. 1. VIEW OF INDIAN CREEK, NEAR CANARSIE, LONG ISLAND, WHERE NINE OYSTER 

 DEALERS FLOAT OYSTERS IN THE CELLARS OF THEIR HOUSES. 



Arrow points to Dealer A's house. 



FIG. 2. A THREE-COMPARTMENT PRIVY LOCATED DIRECTLY OVER INDIAN CREEK NOT 



FAR BELOW DEALER A. 



This is one of the immediate and specific sources of pollution in this creek. 



