CATALOGUE OF VERTEBRATES. 761 



HIPPOGLOSSUS, Cuv. 

 H. vulgaris, Flem. (americanus, Pleuronectes hippoglossus.) Halibut. 



Nearly uniform dark brown ; blind side white ; body deepest 

 mesial ly, and tapering both ways ; eyes large, separated by broad, 

 flat area; eyes and color on right side; teeth in one series in 

 lower, two in upper jaw ; scales small, cycloid. Dorsal rays, 

 105 ; anal rays, 78 ; sometimes reaches a weight of 400 pounds. 

 " Halibut are seldom taken off the New Jersey coast, but 

 occasionally they are met with in small schools. The markets 

 are generally supplied from northern waters." 



PARALIOHTHYS, Grd. 



(Chsenopsetta, Ancylopsetta and Uropsetta, Gill.) 



P. ocellaris, De K. (Platessa, Pseudorhombus, ophryas.) Oblong Flounder. 

 Brownish gray, mottled ; fins dusky, with dark blotches ; 

 body elongate, thickish ; mouth oblique ; teeth in one row, the 

 front ones canine-like ; scales very small, not ctenoid, with 

 accessory smaller ones; rather narrow-ridged space between 

 eyes ; eyes on left side ; lateral line strongly curved anteriorly ; 

 caudal doubly concave ; both ventrals lateral. Dorsal rays, 88 ; 

 anal rays, 67 ; lateral-line scales, 90. Common from Cape Cod 

 to Florida. 



P. dentatus, L. (Pleuronectes, Platessa, Pseudorhombus, Chxnopsetta, ocel- 

 laris, melanogaster, oblonga.) Common Summer Flounder. 



Blackish olive, mottled and blotched with darker ; pectorals 

 barred ; mouth wide, oblique ; mandible heavy and projecting ; 

 eight to ten teeth on each side of lower jaw ; anterior teeth 

 strong and long ; eyes small and not far separated ; scales small, 

 cycloid ; ventrals small ; fins all scaly. Dorfeal rays, 85 to 93 ; 

 anal rays, 65 to 73; lateral-line scales, 100. 



" This is a very common species, found everywhere along the 

 coast, especially in warm weather, and is called 'summer 

 flounder.' " 



HIPPOGLOSSOIDES, Gotts. 



(Psettichthys. Pornatopsetta.) 



H. platessoidee, Fabr. (Pleuronectes, dentata.) Rough Dab. 



Reddish brown, nearly uniform ; upper jaw with one series of 

 teeth ; mouth oblique, with a knob at chin ; snout thick, scaled ; 



