

180 TRANSACTIONS LIVERPOOL BIOLOGICAL 



Modal Lengths of Plaice of Age-Groups J 



SOCIETY. 



[ and II, 1909. 





Locality 



Barrow Channel. 



Duddon Banks. Near Nelson Buoy. 



Sex 



$ 



S 



$ 



* 



? 



Age- 

 Group 



1 



2 



l 



2 



1 



2 



1 



2 1 



2 



1 2 



Jan. 



Feb. ... 

 March ... 

 April ... 

 May ... 

 June . . . 

 July ... 

 Aug. ... 

 Sept. ... 

 Oct. ... 

 Nov. ... 

 Dec. ... 



17-8 



19 



17-5 



18 

 18-7 



231 



20-2 

 22 



21-9 



17-6 

 18-9 

 171 



18-75 

 18-9 



22-6 



20-2 

 22 



22-6 



18-4 



18-3 



17-6 



l?2 - 

 — 16-5 



19-8 



16-25 



20-3 



— 





Rock Channel. 



Beaumaris Bay. 



Fleetwood Channel. 



Jan. 



Feb. ... 

 March ... 

 April ... 

 May ... 

 June ... 

 July 



Aug. ... 

 Sept. ... 

 Oct. ... 

 Nov. ... 

 Dec. ... 



17-6 



170 

 16-1 

 17-0 



19-1 



21-2 



20-8 

 19-5 



22-2 



— 

 18-2 



18-5 

 16-4 

 17-2 



19-1 



21-5 



20-7 

 19-5 



21-2 







_ 



19-5 



19-6 



24-2 

 22-5 



— 







19-75 



20-9 



24-2 

 22-5 



_ 



16-3 

 17-4 



18 



17-5 

 19-8 



24-7 



16-5 

 17-3 



18-5 



22-5 

 20-3 



21-75 





























