SEWAGE CONTAMINATION OF OYSTER BEDS. 



218 



oral trips were made to this section in the spring" and fall of 1901. 

 The results obtained from the analysis of the samples may be tabu- 

 lated as follows: 



Tablk IV. — Anali/.sls of nxdcr samples collected on the BullocJc Xeck, Xayalt Point, and 



(.'onimicut Point oyster beds. 



Date an<t sUtioii. 



March SO, tide rinuig. 



Station 1, surface tube 



deep tube 



2, surface tube 



- deep tube 



3, surface tube 



deep tube 



6, surface tube 



deep tube 



7, surface tube 



deep tube 



May 2, tide falling. 



Station 1, surface tube 



' deep tube 



2, surface tube 



deep t>ibe 



3, surface tube 



deep tube 



May 15, tide falling. 



Station 1, surface tube 



deep tube 



2, surface tube 



deep tube 



3, surface tube 



deep tube 



4, svirface tube 



deep tube 



5, surface tube , 



deep tube , 



October 11, tide risinn. 



Station 8, surface tube . 



deep tube 



9, surface tube, 

 deep tube 



/ 



October 2k, tide rising. 



Station 4, surface tube . 



deep tulje 



6, surface tube. 

 deep tube 



8, surface tube, 

 deep tube 



9, surface tube, 

 deep tube 



October 29, tide falling. 



Station 4, surface tube 



deep tube 



5, surface tube 



deep tube 



8, surface tube 



deep tube 



9, surface tube 



deep tube 



November 3, iide rising. 



station 4, .surface tube. 



deep tube 



5, surface tube, 

 deep tube 



8, surface tube, 

 deep tube 



9, surface tube, 

 deep tube 



Dextrose 

 fermented 



Red colo- 

 nies on 

 litmus lac- 

 tose agar. 



4- 



+ 



+ 



+ 

 + 



+ 

 + 



(") 



+. 



(") 

 CO 



(") 



+ 

 + 

 + 



+ 



+ 



B. coli. 



a Not made. 



