SEA-FISHERIES LABORATORY. 



18y 



tioii of the mussels and oysters bedded there, are fairly 

 good. There can be no question of the Fleetwood sewage 

 fouling the mussel beds in the Wyre : it is discharged 

 on to the Rossall shore where there are no shell-fish beds 

 — at least none that need concern us here ; and if we may 

 assume that the storm overflow in the harbour always 

 serves the purpose for which it was designed, we may 



Slorrr 



y&flO" 



dismiss the question of the sewage of Fleetwood itself. 

 Two sources of pollution need only be considered, 



(1) the effluents from the works mentioned above, and 



(2) the sewage of Hambleton and Poulton-le-Fylde. It 

 \\;is the presence of these sources of pollution that made 

 bacteriological analyses necessary. 



