252 



MARKETABLE BRITISH MARINE FISHES 



pale when the Hght comes through it : the pigment is rather 

 abundant and occurs on the body, yolk-sac, and fin-membrane, 

 without any particular pattern (Fig. 115). 



Fig. 114. — Egg of Common Sole, alive and magnified. 



The larva six days old had its mouth fully formed, and the 

 yolk reduced to half its bulk. Even at this early age the pro- 



Fui. 115. — Larva of Common Sole, newly hatched, alive and magnified. 



jection of the snout above the mouth is noticeable, and another 

 peculiarity is the elevation of the fin-membrane above and just 

 behind the head. The black pigment forms a row of spots on 



