NO. 1484. J A PANESE FLO UNDER8 AND SOLES— JORDAN & STA RKS. 217 



39. LIOPSETTA OBSCURA (Herzenstein). 



Plenronectes obscurus Herzenstein, Melanges Biologiques, 1890, p. 127 (Che- 

 mulpo, Vladivostok). 



LiopseUa ohscura Jordan and Gilbert, Eep. Fur Seal Invest, III, 1898, p. 492 

 (Iturup). — Jordan and Evermann, Fish North Mid. Amer., Ill, p. 2657 

 (Iturup).— Jordan and Snyder, Proc. U. S. Nat. Mus., XXIII, 1900, p. '379 

 (Iturup). — Schmidt, Pise. Mar. Orient., 1904, p. 244 (Vladivostok, Mayka, 

 Chemulpo). 



Habitat. — Okhotsk Sea, south to Kuril Islands. 



Dorsal rays, 59 to 62; aual, 45 to -±6; tubes, 79. Head, 8^V; doptli, 

 2|; scales in males everywhere strongl^r ctenoid, smooth in females; 

 interorbital space covered with ver}" tine scales, not naked; curve of 

 the lateral line marked, its cord contained 5 times in the straight por- 

 tion; the pectoral of colored side If head, the caudal 1}^ the ventral 

 i head, and the highest dorsal ray If. Lower pharyngeals short 

 and broad, the two closel}^ appressed but united in our specimens, 

 27 and 29 cm. long. The teeth are large and very blunt, like cobble 

 stones, and are arranged in 1 row along the outer edge, a row of 

 larger teeth along the inner edge, and a short row along the pos- 

 terior edge of the triangle. Color on eyed side uniform dark brown 

 on bod}^ and fins, the extreme tips of the tin rays white; on l^lind side 

 yellowish white, with a few irregular scattered dark spots; dorsal and 

 anal yellowish at base, becoming more or less mottled with dusky on 

 distal half, the fins marked with broad dark bars parallel with the 

 rays, about 7 on the anal fin, 10 or 11 on the dorsal; caudal light on 

 basal half more or less blotched with darker, becoming black poste- 

 riorly. The young from 9 to 15 cm. long have the scales perfectly 

 smooth, but in other respects they agree perfectly with the adult 

 males, except in their more varied coloration; head and body brown- 

 ish, profusel}^ spotted in coarser or finer pattern with light gray; also 

 with a few scattered black spots edged with gray ; markings on the 

 fins as described for adults. Sea of Okhotsk. Our specimens from 

 Shana Bay, Iturup Island, one of the Kurils, originally described from 

 Vladivostok. 



{ohseu7'us, dark.) 



40. LIOPSETTA PINNIFASCIATA (Kner). 



Pleuronecte-'i jiittnifaftclaius Kner, in Steindachner, Ueber einige Pleuronectiden, 

 etc., aus Decastris Bay, 1870, p. 422, pi. i, fig. 1 (Decastris Bay, mouth of 

 Amur Eiver).— Jordan and Goss, Review Flounders and Soles, 1889, p. 290— 

 Jordan and Evermann, Fish North Mid. Amer., Ill, 1898, j). 2B49. 



lAopsetta pinnifasciata Schmidt, Fauna Mer. Okhot. Japan, 190o, p. 19 (Okhotsk 

 Sea); Mar. Orient, 1904, p. 245 (mouth of Amur, Lintog, Busse Bay, etc.). 



Habitat. — Japan Sea, from Amur River to Kamchatka. 

 Head, 3i in body; depth, 2^. D. 58; A. 38; scales, 70; eye, 51 in 

 head; the highest anal ray, 2; pectoral, 2; caudal, 4^ in body. Body 



