SEA-FISHERIES LABORATORY. 



103 



Summary of Fish examined in Fishery Laboratory, Liverpool. 



Area. 



Number. 



Period. 







1,884 



1,616 



710 



866 



829 



34 













Mersey Estuary 



Menai Straits 



Carnarvon Bay 





" 



November-December 



January-November 



July 



Shrimp Trawl. 

 6 inch Trawl. 





" 



Total 



5,939 







Tables I to V are summaries of Length-Frequencies of 

 fish taken on the various grounds by the 6 inch mesh Fish 

 Trawl. 



Table VI is a summary of Length-Frequencies of fish 

 taken in the Mersey Estuary Area by the 2 inch mesh Shrimp 

 Trawl. 



Table VII is a summary of the Sex- Age Group-Frequencies 

 taken in the North Wales, Nelson Buoy, Mersey Estuary Areas 

 by the 6 inch mesh Fish Trawl from June to December. 



Table VIII is a summary of the Sex- Age Group-Frequen- 

 cies taken in the Mersey Estuary by the 2 inch Shrimp Trawl, 

 from October to December. 



Table IX is a summary showing the variations in value 

 of the Length- Weight Coefficient K from the respective grounds 

 from June to December. In this table is given the number 

 of fish from which K has been calculated. 



For indispensable assistance in the very laborious, routine, 

 biometric work of this and the following report I am much 

 indebted to Mr. A. Fleming, Technical Assistant in the Oceano- 

 graphy Department. 



