SEA-FISHERIES LABORATORY. 



155 



Mussels from Conway taken from Bar (18.9.1914). Mean 

 number of intestinal bacteria per mussel = 2,760. Reactions 

 of 12 of these organisms as follows : — 









£ 











T3 . 













60 











3 ^ 









ft 



GQ 



o 



A 



43 



'3 

 o 



a 



6 



3 



9? ^ 



£ 



Morphology. 





o 



+ 



1 



+ 



0> 



a 



cS 

 O 



3 



1 



o 



|8 



1 





1 



_ 



_ 



+ 



_ 



+ 



_ 



+ 



Small bacilli. 



2 



+ 



+ 



+ 





+ 



— 



— 



— 



— 



Long bacilli. 



3 



+ 



+ 



+ 



— 



+ 



— 



— 



+ 



— 



„ 



4 



+ 



+ 



+ 



— 



+ 



— 



+ 



+ 



— 



Small bacilli. 



5 



+ 



+ 



+ 



— 



+ 



— 



— 



+ 



— 



„ 



6 



+ 



+ 



+ 



— 



+ 



— 



— 



— 



— 



Long bacilli. 



7 



+ 



+ 



+ 



— 



+ 



— 



+ 



— 



— 



Very long bacilli. 



8 



+ 



+ 



+ 



— 



+ 



— 



— 



+ 



— 



Bacilli. 



9 



+ 



+ 



+ 





+ 



— 



— 



+ 



— 



Small bacilli. 



10 



+ 



+ 



+ 



- 



+ 



— 



— 



+ 



— 



Bacilli. 



11 



a 



a 



a 



— 



— 



— 



+ 



— 



+ 



Very small bacilli. 



12 



+ 



a 



+ 





- 



- 



+ 



- 



+ 



„ 



Mussels from the Estuary of the Lune (26.10.1914). Re-laid 

 at Overton for 6 tides. Mean number of sewage bacteria 

 per mussel = 450. Reactions of 10 of these organisms 

 as follows : — 









£ 











-a . 















bD 











§ 1 











i 

 o 



a> 



8 



3 

 00 



2 



6 



1 



J 



'o 



c3 3 

 03 CO 



>> 



3 



Morphology. 







53 



3 



a 



a 



2 



ft 





5 



d 



i— i 



O 2 



o 







1 



















+ 



Bacilli. 





2 



+ 



+ 



+ 



— 



+ 





- 



- 



— 



,, 





3 



+ 



+ 



+ 



- 



(2 



d 



+ 



" 



- 



,, 





4 



+ 



+ 



+ 



— 



— 



— 



— 



+ 



+ 



. 





.", 



+ 



+ 





- 



+ 



- 



+ 



_ 



- 



Small bacilli. 





6 



+ 



+ 





_ 



— 



— 



+ 





+ 



Bacilli. 





7 



+ 



+ 



— 



— 



- 



- 



+ 





+ 



Small bacilli. 





8 



+ 



+ 



+ 



+ 



+ 



- 



- 



+ 



- 



Bacilli. 





9 



+ 



+ 



— 



+ 



— 





+ 



— 



- 



Very small bacilli. 





10 



+ 



+ 



a 



- 



- 



d 



+ 



• 



- 



Wry long bacilli. 





