BACTERIOLOGY OF THE OYSTER. 



73 



Tables Showing Results of Analysis of Ten Oysters from a lot of Polluted Oysters which had 

 been put into Relatively Unpolluted Water at Wickford, May 13, 1913. 

 Date, May 13, 1913. 



Score, 460. 



Date, May 17, 1913. 



Score, 73. 



Date, May 22, 1913. 



Score, 28. 



