196 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



to that extent the discharge would be noxious to the 

 fisheries. 



I do not know what is the precise nature of the 

 manufacturing process at either of the works mentioned ; 

 or whether the effluents are always of approximately the 

 same nature. Obviously further examination, from the 

 point of view of the fisheries, is desirable. 



