156 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Mussels from the Estuary of the Dovey (11.12.1914). Mean 

 number of sewage bacteria per mussel = 200. Reactions 

 of 16 of these organisms as follows : — 



























8 



©* 

 o 



-43 



u 



© 



©* 



•+3 



'o 



© 



.5 



• ©* 



O 



§ 1 



© m 



>> 



h3 



Morphology. 





3 



J 



o 



3 



< 



3 



C! 

 1— I 



T3 



i— i 





"5 





1 



+ 



+ 



+ 



+ 



+ 



_ 



_ 



_ 



_ 



Bacilli. 



2 



+ 



+ 



+ 



+ 



+ 



— 



+ 



+ 



— 



Chains. 



3 



+ 



+ 



+ 



— 



— 



— 



— 



+ 



— 



Bacilli. 



4 



+ 



+ 



+ 



+ 



+ 



— 



+ 



— 



— 



>> 



5 



+ 



+ 



+ 



+ 



+ 



— 



— 



+ 



— . 



Chains. 



6 



+ 





















7 



+ 



+ 



+ 



+ 



— 



— 



— 



+ 



— 



Very short bacilli. 



8 



+ 



+ 



+ 



— 



— 



— 



— 



+ 



— 



Chains 



9 



+ 



+ 



+ 



+ 



+ 



— 



+ 



+ 



— 



Very short bacilli. 



10 



+ 



+ 



+ 



+ 



+ 



— 



— 



+ 



— 





11 



+ 



+ 



+ 



+ 



+ 



— 



— 



+ 



— 



Bacilli. 



12 



+ 



+ 



— 



+ 



— 



— 



— 



+ 



— 



Very short bacilli. 



13 



+ 



— 



+ 



— 



— 



— 



— 



+ 



+ 



Bacilli. 



14 



+ 



+ 



+ 



+ 



— 



- — 



+ 



+ 



+ 



,, 



15 



+ 



+ 



+ 



+ 



+ 



— 



+ 



+ 



— 



Chains. 



16 



+ 



+ 



+ 



+ 













Bacilli. 



Mussels from the Estuary of the Conway (12.1.1915). Mean 

 number of sewage bacteria per mussel = 3,670. Reactions 

 of 18 of these organisms as follows : — 









£ 











TJ . 



































bD 











c8 ® 









o 



© 



BO 



o 



3 



© 



©' 



;43 



"© 



© 



'3 



d 



o 



68 



fc>0 0Q 



0> 

 -g 



Morphology. 





3 



o 

 Hi 



a 



t 



< 



3 



S3 



co o 



o 





1 



+ 



+ 



_ 



_ 



_ 



— 



+ 



_ 



_ 



Small bacilli. 



2 



+ 



+ 



a 



— 



+ 



— 



+ 



— 



— 



Bacilli. 



3 



+ 



+ 



+ 



— 



+ 



— 



+ 



— 



— 



Long bacilli. 



4 



+ 



+ 



+ 



— 



+ 



— 



+ 



— 



— 



j> 



5 



+ 



+ 



+ 



— 



+ 



— 



— 



— 



— 



„ 



6 



+ 



+ 



+ 



— 



+ 



— 



+ 



— 



— 



„ 



7 



+ 



+ 



— 



+ 



— 



— 



+ 



— 



— 



Bacilli. 



8 



+ 



+ 



+ 



— 



+ 



— 



+ 



— 



— 



Chains. 



9 



+ 



■ + 



+ 



— 



+ 



— 



+ 



— 



— 



Bacilli. 



10 



+ 



+ 



_ 



+ 



— 



— 



+ 



— 



— 



,, 



11 



+ 



+ 



_ 



+ 



_ 



— 



+ 



— 



+ 



Small bacilli. 



12 



+ 



+ 



_ 



— 



— 



_ 



+ 



— 



— 



Bacilli. 



13 



+ 



+ 



+ 



— 



+ 



- 



— 



— 



? + 



Small bacilli. 



14 



+ 



+ 



+ 



+ 



— 



— 



+ 



— 



? + 



,, 



15 



+ 



+ 



— 



— 



— 



— 



+ 



— 



+ 



Bacilli. 



16 



+ 



+ 



— 



— 



+ 



— 



.+ 



— 



+ 



j> 



17 



+ 



+ 



— 



— 



— 



— 



+ 



— 



— 



»> 



18 



+ 



+ 



+ 



+ 



+ 



- 



+ 



- 



+ 



,. 



