113. PLEUEONECTID^E GLYPTOCEPHALUS. 839 



separate, broad, with coarse teeth. Head 3; depth 2. D. 55; A. 40 5 

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



(Platessa gldbra Storer, Proc. Bost. Soc. Nat. Hist, i, 130, 1843, and Fish. Mass. 393, 

 pi. 31, f. 1: JEuchalarodus putnami Gill, Proc. Acad. Nat. Sci. Phila. 1864, 222 male; 

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

 Phila. 1864, 217.) 



1291. P. glacialis 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, non-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. 56; A. 42. Alaska 

 to Northern Siberia. 



(Pallas, Itin. iii, App. 706; Pallas, Zoogr. Ross. Asiat. iii, 424: Pleuronectes glacialis 

 Richardson, Fauna. Bor.-Amer. Fish. 258; Beau, Proc. U. S. Nat. Mus. IMS I, 241: Pleu- 

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

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



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

 teeth. (Pseudopleuronectes Bleeker.*) 



1292. P. americanilS Walbaum. Winter flounder ; Mud dab. 



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

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

 above eye. Head covered above with 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 

 space entirely scaled; teeth compressed, incisor-like, and widened to- 

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

 often emarginate, 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. 



(Walbauin, Artedi, Pise. 1792, 113; Gunther iv, 443: Platessa plana Storer, Fish. 

 Mass. 373.) 



459. GLYPTOCEPHALUS Gottsche. 



(Gottsche, Wiegruann's Archiv. 1835, 156: type Glyptoeephalus saxicola Gottsche = 

 Pleuronectes cynoglossus 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, Comtes Rendus. Acad. Sci. Amst. xiii, 1862: type Platessa plana Storer. 

 (tpevdoS, false; Tr/leupOKj/^r?;?, Pleuronectes.) 



