31 LATER STAGES: PLEURONECTIDS 



Appendix Table 5. Average catch of Medium Plaice per Day's absence from port by Steam 



Trawlers in Areas A„ Bi, B 3 , B,, B 5 , Ci, C 2 , Di & D_. and by Sailing Trawlers in Area Cj of 



the North Sea. (Mean of the figures for the four years 1906 1909). 



Appendix Table 6. Average catch of Small Plaice per Day's absence from port by Steam 



Trawlers in Areas A 3 , Bi, B 3 , B 4 , B 5 , &, C 2 , Di & D 2 and by Sailing Trawlers in Area C 3 of 



the North Sea. (Mean of the figures for the four years 1906— 1909). 



