SEA-FISHERIES LABORATORY. 
I].—Orr tHe Mersey Estuary. 
Size 
in cms. | 
J 
Totals ... 
131 
Shrimp-trawl, }” mesh. 
July. _ September. | October. 
298 
eT avn k | 
| 
i 
eo cote ce (tne) ee te | 
286 
| 
December. 
