A.— Average- Size at Maturity (southerly North Sea). 



Length 8 9 10 11 12 13 14 15 16 17 



in inches. 



2. Males. 



Length 8 9 10 11 12 13 14 15 16 17 



in inches. 



























































































































i 































































































































































































t 





































































































































































































































































































































i 











.=3 























— 













































































* 



















































































































































4 

























































































































Length in 24 26 28 30 32 34 



centimetres. 



