SEA-FISHERIES LABORATORY. 



131 



Lime and Wyre and liberated in February near the place 

 of capture were recaptured during the summer months on 

 the grounds W. from Nelson Buoy. Convincing proof of 

 this offshore migration from the shallow water rearing 

 grounds in the Morecambe Bay area, or in Liverpool Bay, 

 could, of course, be obtained by marking a reasonably 

 large number of fish caught close inshore, but such an 

 experiment would not be easy to carry out unless the fish 

 could be obtained otherwise than by trawling. 



Experiment 4, 24th October, 1907. 



Station : In Beaumaris Bay, just outside a line from 

 Puffin Island to Great Ormes Head. 



Fish caught in Menai Straits and in Beaumaris Bay. 



Analysis of Sizes of Fishes Liberated. 



Size (inches) 



8 



8* 



8* 



8| 



9 



9i 



9| 



9| 



10 



M>i 





No. of plaice 



3 



3 



4 



4 



17 



9 



14 



10 



16 



8 







Size (inches) 



io| 



10f 



11 



Hi 



li! 



HI 



12 



12* 



12| 



— 



No. of plaice 



8 



4 



6 



3 



3 



1 



3 



2 



2 









Particulars of Fishes Returned. 



l 



4 



5 



6 



7 



22/11/07 

 30/10/07 

 25/11/07 

 28/10/07 

 30/11/07 



1 





 1 

 



1 



101 

 9 



io! 

 Hi 









 



! 











12! 



5 



24/11/07 

 18/11/07 



1 

 1 



12 







LL631 

 LL634 

 LL639 

 LL644 

 LL650 



LL852 

 LL855 

 LL861 



10! 

 11 



9-1- 



li! 



12 

 101 



Mostyn Deep, Dee 



Conway Bay, 6 fathoms. . 

 Red Wharf Bay, 7 faths.. 

 Conway Bay, 6 fathoms. . 

 Near Puffin Island, 8 

 fathoms. 



Red Wharf Bay, 6 faths.. 



Between Point Lynus 

 and Great Ormes 

 Head, 10 fathoms. 



2T 

 IT 

 IT 

 2T 

 IT 



IT 

 IT 



