210 MARKETABLE BRITISH MARINE FISHES 



7. The Long Rough Dab.— Scales rough, lateral line 

 straight, size very small. 



III. Species in which the eyes are on the right side, the snout 

 projects beyond the jaws, the front margin of the head curved, 

 jaws larger on the lower side, and teeth only on that side : a 

 " beard " of short projections from the skin on the lower side of 

 the head. 



8. The Common Sole. — Breast-fins rather large on both sides, 



nostrils alike on the two sides : colour, rows of black 

 blotches on brown ground. 



9. The French Sole or Sand Sole (or Lemon Sole). — Nostril 



on lower side enlarged : specks instead of black blotches. 



10. The Thickback. — Breast-fins very small : colour five 

 dark bands across the body on a red ground. 



11. The Solenette. — Breast-fins very small : black blotches 

 as in the common sole, but in addition a line of black on 

 every fifth or sixth ray in the dorsal and ventral fins. 



IV. Species in which the eyes are on the left side, the mouth 

 is large, at the end of the snout, and teeth and jaws are equal on 

 both sides. 



12. The Turbot. — Diamond-shaped body of large size, no 

 scales but blunt bony tubercles. 



1 3. The Brill. — Body more oval, covered with smooth scales. 



14. The Megrim. — Body narrow and thin, scales rough ; eyes 

 very large, and mouth also : colour light yellow. 



15. The Scald-fish or Scald-back. — Eyes and mouth 

 smaller, scales rather large, but the skin is very thin and 

 tears off during capture : the first ra}-s of the dorsal fin 

 much elongated in the adult male, not in the female. 



16. The Common Topknot. — Scales very rough, marginal 

 fins continued beneath the root of the tail, throat fins 

 united with the ventral. 



17. The One-spotted Topknot. — Like the last, but having 

 the first dorsal fin-ray prolonged, and a single round spot 

 on the upper side towards the tail : underside very rough. 



18. The Norwegian Topknot. — A smaller fish having 

 neither the throat fins united with the ventral fin, nor the 

 first dorsal ray prolonged. 



