113. PLEURONECTID^ — GLYPTOCEPHALUS. 8^7 



separate, broad, with coarse teeth. Head 3h; depth 2. D. 55; A. 40; 

 Lat. 1. 70 (pores). L. 10 inches. Atlantic coast; chiefly northward. 



{Platessa glabra Storcr, Proc. Bost. Soc. Nat. Hist, i, 130, 1843, and Fish. Mass. 303, 

 pi. 31, f. 1: I'Jiichalarodus puinami Gill, Proc. Acad. Nat. Sci. Phila. 1WG4, 222 — male; 

 Bean, Proc. U. S. Nat. Mus. 1878, 347: Liopsetta glabra Gill, Proc. Acad. Nat. Sci. 

 Phila. 1864, 217.) 



1391. P. g^lacialis Pallas. 



Dark brown, the fins spotted. Form of P. gldber. A roughened ridge 

 above the cheeks and opercles on the eyed side. Eyes separated by a 

 narrow smooth bony ridge. Scales minute, imbedded, iion-imbricate, 

 ctenoid in the males, smooth in the females; scales on blind side sim- 

 ilar, less developed; scales of lateral line a little larger. Teeth col- 

 ored, incisor-like, forming an even edge, mostly on blind side. An 

 anal spine; pectorals short. Head 4; depth 2^. D. 50; A. 42. Alaska 

 to Northern Siberia. 



(Pallas, Itin. iii, App. 706; Pallas, Zoojfr. Ross. Asiat. iii, 424: Pleuronectes glacialh 

 Richardson, Fauna, Bor.-Anier. Fish. 258; Beau, Proc. U. S. Nat. Mus. 1^81, 241: Plen- 

 ronectes cicatricosus Pallas, Zoogr. Ross.-Asiat. iii, 424 (<?, D. 59; A. 36): Pleuronectes 

 franklini Gunther, iv, 442, 1862 ( $ , D. 56; A. 37). 



gg. Scales well imbricated, strongly ctenoid; lower pharyngeals narrow, with couic 

 teeth. {Pseudoplciirontcte8 Bleeker.*) 



1292. P. amcrocanus Walbaum. — Winter flounder ; Mud dab. 



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

 or less spotted and blotched with reddish. Body elliptical, an angle 

 above eye. Head covered above witli imbricated, strongly ctenoid scales 

 similar to those on the body; blind side of head nearly naked; inter- 

 orbital space rather broad, strongly convex, its width half eye; the 

 si^ace entirely scaled; teeth compressed, incisor-like, and widened to- 

 wards tijjs, close-set, forming a continuous cutting edge; some of teeth 

 often emargiuate, sometimes movable; right side of both jaws tooth- 

 less. Highest dorsal rays less than length of pectorals, and more than 

 half length of head; anal spine present. Head 4 in length; depth 2-^. 

 D. 65; A. 48; Lat. 1. 83. Coast of New York, northward; abundant. 



(Walbaum, Artedi, Pise. 1792, 113; Giinther iv, 443: Platessa plana Storei', Fish. 

 Mass. 373.) 



4.59.— GLYPTOCEPHA1.US Gottsche. 



(Gottsche, Wiogniann's Archiv. 1835, 156: type GlyptocephaluH mxicola Gottsche=; 

 Pleuronectes cynoglu88U8 L.) 



Eyes and color on the right side. Body extremely elongate, more 



than twice as long as deep; much compressed. Head very small and 



* Bleeker, Comtos Ri'udus. Acad. Sci. Amst. xiii, 1862: type P^afcssa j>?awa Storer. 

 {xpEvSoi, false; TT/\.Evp6yi}x^V^> Pleuronectes.) 



