113. PLEURONECTID^E HIPPOGLOSSOIDES. 825 



strongly differentiated canines in either jaw. Eyes moderate, sepa- 

 rated by a very narrow, sharp, scaly ridge. Gill-rakers very short, 

 thick, few in number ; about 8 below angle, the longest less than one- 

 half diameter of pupil. Scales rather small, very strongly ctenoid, those 

 on blind side also rough ; curve of lateral line rather low. Dorsal be- 

 ginning in front of pupil, its anterior rays long and filiform, much ex- 

 serted, the third ray half head; caudal short and rounded, If in head; 

 ventral tin of colored side elongate, as long as pectoral, half length of 

 head. Anal spine wanting. Head 3f; depth If. D. 70; A. 55; Lat. 1. 

 about 85. South Atlantic and Gulf coasts; not common. 



(Ancylopsetta quadrocellata Gill, Proc. Acad. Nat. Sci. Phila. 1864, 224, not Platessa 

 quadrocellata Storer, -which is also a species of Paralichthys : Pseudorhombus quadrocel- 

 latus Jordan & Gilbert, Proc. U. S. Nat. Mus. 1878, 370.) 



1271. P". Hole pis Jor. & Gilb. 



Color olive brown, mottled with darker; sometimes with very distinct 

 round black blotches; vertical fins blotched with dark; pectoral of 

 colored side with oblique bars. Body elliptical ovate, broad and com- 

 pressed, its curves regular; mouth small, very oblique, the lower jaw 

 included; maxillary reaching about to pupil, 2f in head; eyes rather 

 large, 4 in head, separated by a very narrow, blunt scaly ridge ; teeth 

 small, conical, blunt, in a single row; those in lower jaw subequal, 

 close-set; those upper jaw more distant, decreasing in size backwards; 



teeth j4^f. Gill-rakers very short, broad, and. strong, minutely ser- 

 rate on inner margin, about seven below angle, the longest scarcely 

 one-fourth as long as the eye. Scales small, oblong, cycloid, the smaller 

 accessory scales extremely numerous; branchial arches and skin of the 

 shoulder girdle with small, cup-shaped, tubercular scales. Dorsal 

 rather high, firm, low in front, highest near the middle of the body; 

 caudal peduncle very short and deep, its depth 4 times its length. 

 Pectoral of eyed side falcate, usually much longer than head, its length 

 varying considerably. Anterior nostril of blind side with a long flap. 

 Head 3|; depth If. D. 80; A. 02; Lat. 1. 123. L. 15 inches. Coast 

 of Southern California; indifferently dextral or sinistral. 



(Xystreurys* iiolepis Jordan & Gilbert, Proc. U. S. Nat. Mus. 1880, 34.) 



455. HIPPOGLOSSOIDES Gottsche. 

 (Psettichthys Girard: Pomatopsetta Gill.) 



(Gottsche; Wiegmaun's Archiv. 1835, 168: type Hippoglossoides limanda Gottsche = 

 Pleuronectes platessoides Fabricius.) 



Eyes and color on the right side (except sometimes in H. elassodon). 



*Jordan & Gilbert 1. c. : type X. Iiolepis J. & G. (t-v<5rpov } raker; evpv$, wide.) 



