NO. 1484. JAPANESE FLO UNDERS AND SOLES— JORDAN & STARKS. 189 



Eyes and color on the right side (except sometimes in 11. elamodoii). 

 Bod}' oblong, moderately compressed; mouth rather large, with 1 row 

 of sharp teeth on each jaw; no teeth on vomer or palatines; gillrakcrs 

 rather long and slender; scales ctenoid; lateral line nearly straight, 

 simple; dorsal tin low in front, beginning over or before the eye; 

 ventrals both latter; caudal doable truncate, produced behind. This 

 genus, as here restricted, contains 3 closely related .species, 2 of the 

 North Pacific, 1 of the North Altantic. All are essentially arctic spe- 

 cies inhabiting shallow waters in the regions where they are most 

 abundant. 



[iTtTtoyXoDffffoz, Ilipiioglossus; eT6o^^ resemblance.) 



ff^^ 



Fig. 8.— HiPPOGLuSHuJi.i..-^ h],.\^,->uDON. 



KEY T(l SPECIES. 



a. D. 80: A 63: Scales 100: interorbital space narrow, naked ^elacsodon. 19 



aa. D. 72: A. 56: Scales 91: interorbital space with two rows of scales. 



luunUtoni. 20 



ig. HIPPOGLOSSOIDES ELASSODON Jordan and Gilbert. 



Hqypoglossoides flassodon Jordan and Ctilbekt, Proc. U. S. Nat. Mns., 1880, 

 p. 278 (Seattle, Tacoma), Proc. U. S. Nat. Mus., 1880, p. 454.— Beax, Proc. 

 U. S. Nat. Mns., 1883, p. 20. (Alaska).— Jordan and Gilbert, Rept. Fur 

 Seal Invest., Ill, p. 1899, p. 489 (Bering Sea, Kamchatka).— Jordan and Ever- 

 MANN, Fish North Mid. Amer., Ill, 1898, p. 2615, pi. cccLXXii, fig. 920 

 (Seattle, Bering Sea, Kamchatka).— Schmidt, Pise. ]\Iar. Orient, 1904, p. 226 

 (Rimnik and Terpienia, Okhotsk Sea). 



Hahitat. — Bering Sea, Okhotsk Sea, south to Puget Sound. 



Head, 3i; depth, 2i; eye, 4 in head; D. 77 to 87; A. 59 to 67; V. 

 6; scales, 45-100-40. Body, oblong-elliptical; caudal peduncle about 

 :asilong as deep; upper profile of head continuous with the outline of 

 back; depression.over eye slight; mouih rather large, the gape curved, 

 considerably wider on the blind side; lower jaw projecting, with a 

 symphyseal knob; maxillary .narrow, reaching beyond middle of 

 pupil, 2i head; .teeth small, closeset, nearly uniform, iii a single row. 



