762 GEOLOGICAL SURVEY OF NEW JERSEY. 



eyes large ; interorbital space rough, with scales. Dorsal rays, 

 80 to 93 ; anal rays, 64 to 75 ; 90 pores in lateral line. North 

 Atlantic; abundant northward. The southern variety (liman- 

 doides) has a smaller number of fin rays. 



PLEURONECTES, L. 



P. ferruginous, Stor. (Limauda, Platessa, Myzopselta, rostrata.) Sand 

 Dab. Fluke. 



Lateral line arched in front ; scales ctenoid ; a strong anal 

 spine ; body ovate-elliptical, very flat, brownish olive, with many 

 red spots ; left side lemon yellow ; teeth small, conical, close set, 

 in one series ; snout projecting ; eyes separated by a high, narrow 

 ridge ; eyes on right side. Dorsal rays, 85 ; anal rays, 62 ; 

 lateral lines, 100. 



" This is a rare ocean-loving species, that is met with occasion- 

 ally associated with the preceding." 



P. glaber, Stor. (Platessa, Liopsetta, Euchalarodus putnami.} Plaice. 



Grayish brown, mottled with darker ; black spots on fins ; 

 body oblong ; eyes small, separated by a naked ridge ; jaws 

 with interrupted series of twenty incisor-like teeth, besides an 

 inner row sometimes ; right side of both jaws toothless ; scales 

 small, not imbricate, cycloid in female, ctenoid in male ; anal 

 spine present; lower pharyngeals broad, with paved teeth. 

 Dorsal rays, 55 ; anal rays, 40 ; lateral line, 70 pores ; length, 

 10 inches. Atlantic coast, chiefly northward. 



P. americanus, Walb. (Pseudopleuronectes, Bleek.) Common Winter 

 Flounder. Mud Dab. 



Dark, rusty brown, spotted or nearly plain ; young more olive 

 and spotted ; body elliptical ; head covered above like body, with 

 imbricated ctenoid scales ; blind side of head nearly naked ; 

 eyes well separated ; teeth close set, incisor-like ; right side of 

 both jaws toothless. Dorsal rays, 65 ; anal rays, 48 ; lateral- 

 line scales, 83. 



" This species is quite common along our coast generally, and 

 is deservedly prized as an article of food. They are generally 

 exposed for sale in the fish-markets, and are usually known as 

 the ' winter flounder.' " 



