400 SYNOPSIS. 



surface rough, the scales being ciliated on their free edges ; 

 lateral line straight; caudal, pectoral, and ventral rays 

 rough ; mouth large, the under jaw rather longest ; colour 

 uniform pale brown, more or less tinged with yellow. — 

 Jenyns" Brit. Vert, p. 459. Tarr. Brit. Fish., ii. p. 312. 

 Pleuronectes limandoides, Parnell, Edin. Phil. Jour.^ July 

 1835, p. 210. 

 Sp. 174. P. elongata. Long Flounder. Head approaching 

 to circular ; jaws equal ; body much elongated and pro- 

 portionally much narrower than in any of the preceding 

 species ; lateral line straight throughout its course till it 

 reaches the operculum, when it rises in a slight curve : tail 

 elongated, the sides parallel : colour of the surface uniform 

 pale brown, of the under side pale wood-brown. — Yan: 

 Brit. Fish., ii. p. 318. 

 Gen. LXXXII. Hippoglossus. Body elongated and thick ; 

 eyes and colour on the right side ; jaws and pharjmx armed 

 with strong sharp teeth; dorsal and anal fins nearly as in 

 Platessa, but diminishing more rapidly in length towards the 

 extremities. 



Sp. 175. H. vulgaris. Holibut. Body tapering much to- 

 wards the tail ; head rather small, teeth in two rows in 

 the upper jaw, lateral line arched over the pectorals; 

 surface smooth ; caudal concave at the extremity : colour 

 of the surface dusky brown, under side white, — Cuv. Reg. 

 An. ; Jenyns'' Brit. Vert., p. 460 ; Yarr. Brit. Fish., ii, 

 321. Pleuronectes hippoglossus, Linn., Penn. Brit. ZooL, 

 in. p. 302 ; Dm. Brit. Fish., pi. 75. 

 Gen. LXXXIII. Rhombus. Eyes and colour on the left 

 side ; dorsal commencing immediately above the upper lip an- 

 terior to the eye, and reaching, as well as the anal, very nearly 

 to the origin of the caudal ; teeth on the jaws and pharynx. 

 Sp. 176. jR. maximus. Turbot. Form rhomboido-circular, 

 nearly as broad as long ; no depression before or behind 

 the eyes ; lateral line arched above the pectoral, after- 

 wards straight ; surface smooth, but studded with nu- 

 merous acuminated tubercles ; extremity of the caudal 



