SEWAGE CONTAMINATION OF OYSTER BEDS. 



218 



cral trips V7ere made to this section in tlie spring- and fall of 1901. 

 The results obtained from the analysis of the samples ma}- be tabu- 

 lated as follows: 



Table IV. — Anali/sls of tratcr samples collected on the Bullock XccJc, Xayalt Point, and 



(.'onvmicut Point oyster beds. 



Date and station. 



March 30, tide i-t.--'ii)g. 



Station 1, surface tube 



deep tube 



2, surface tube 



deep tube 



3, surf ace tube 



deep tube 



6, surface tube 



deep tube 



7, surface tube 



deep tube 



May 2, tide Sailing. 



Station 1, surface tube 



deep tube 



2, surface tube 



deep tube 



3, surface tube 



deep tube 



Mmj 15, tide falling. 



Station 1, surface tube 



deep tube 



2, surface tube , 



deep tube 



3, surface tube , 



deep tube 



4, surface tube 



deep tube 



5, surface tube , 



deep tube , 



Odejbcr 11, tide, rising. 



Station 8, surface tube 



deep tube 



9, surface tube 



deep tube 



October 2h, tide rising. 



Station 4, surface tube 



deep tube 



6, surface tube 



deep tube 



8, surface tube 



deep tube 



9, surface tube 



deep tube 



Octfjber 20, 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, tide rising. 



Station 4, stirface tube. 



deep tube 



5, surface tvibe. 

 deep tube 



8, surface tube, 

 deep tube 



9, surface tube, 

 deep tube 



Dextrose 

 fermented. 



Red colo- 

 nies on 

 litmus lac- 

 tose agar. 



-I- 

 + 

 + 

 -t- 



+ 

 + 

 + 



+ 

 + 

 (") 



+ 



+ 

 + 



+ 

 -I- 



-f-. 

 («) 



+ 

 + 



+ 



+ 

 + 

 ('■) 

 + 



B.coli. 



(iNot made. 



