362 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY 



Two separate series of analyses were made. The 

 results of the first (mussels and water collected about 

 4 p.m., 17th October, 1906), are as follows: — 



1st Analysis. 



Primary Cultures on Neutral-Red, Bile-salt, Lactose 

 Agar Plates. 



Locality. 



Mussel. 



No. of Colon-like Colonies. 



White 

 Colonies. 



Enteritidis 

 reaction. 



Middle of 



. 1 



.. 4 







•• + 



River below . . 



. 2 . 



. . 28, 1 large batch . . . 









Bridge 



. 3 



. . 30, 1 long streak . . 







.. — 





. 4 . 



.. 26 









Off Deganwy . . 



. 5 . 



. . 16 and general 







- + 



just below 





fusion 







Pier 



. 6 . 



.. 73 



5 







. 7 . 



.. 15 and general 

 fusion 







.. + 





8 . 



.. 20 and 2 long 

 streaks 



1 streak 





Well below 



. 9 . 



. . 45, some fusions . . 



1 



.. + 



Deganwy 



. 10 . 



.. 51 



1 patch 







. 11 



.. 38 







... + 





12 . 



.. 15 









Opposite Perch.. 



. 13 . 



.. 28 (not so 







.. + 



in Channel . . 





typical) 









14 



.. 34 



1 patch 







15 



. . Numerous and 

 fused 







.. + 





16 



.. 25 







. . . 



In the case of Mussel 3, the milk tube was discoloured. 



Fourteen of these colonies identified as " colon-like " 

 were then examined further in pure subculture, with the 

 following results : — 



