PLEURONECTI N.E 



287 



I. ATHERESTHES STOMIAS (Jordan and Gilbert). 



[Arrow-toothed Halibut.] 



Platysomatichthys stomias, Jordan and Gilbert, 1881, Proc. U.S. Nat. Mus., iii, (1880), pp. 51. 301 

 Atheresthes stomias, Jordan and Gilbert, 1881, torn. cit. p. 51 ; Jordan and Gilbert, 1882, Proc. U.S. 

 Nat. Mus., iv, (1881), p. 66 ; Bean, 1882, torn, cit., p. 242 ; Jordan and Gilbert, 1883, Bull. U.S. 

 Nat. Mus., xvi, p. 820 ; Bean, 1884, Proc. U.S. Nat. Mus., vi, (1883), p. 354 ; Jordan, 1884 

 Nat. Hist. Aquat. Anim. (Fisheries Fish. Indust. U.S., i), p. 188, pi. liii ; Jordan and Goss 

 1889, Rep. U.S. Com. Fish., xiv, (1886), p. 236, pi. i, fig. l ; Jordan and Evermann, 1898: 

 Bull. U.S. Nat. Mus., xlvii {3), p. 2609, pi. ccclxxi, fig. 917 ; Evermann and Goldsborough 

 1907, Bull. U.S. Bur. Fish., xxvi (1906), p. 350, fig. 132 ; Starks, 1918, Calif. Fish Game, iv 

 (4), p. 4. fig. 82. 



Depth of body nearly 3 in the length, length of head 3|. Snout (in adults) longer 

 than eye, diameter of which is 4I in length of head, and more than 3 times interorbital 

 width ; upper eye shghtly in advance of lower, reaching edge of head. Anterior 

 nostril of blind side with a small flap. Maxillar\' extending to beyond eye, length 

 I J in that of head ; lower jaw about if in head. Upper jaw laterally with two series 

 of small, fairly close-set teeth ; anteriorly those of the inner row become long, slender 

 and wide-set, the outer row being reduced to some small teeth set between the larger 

 ones ; teeth of lower jaw in two series, in the inner row long, fixed, wide-set teeth 

 alternating with shorter depressible teeth, in the outer row small, fixed teeth. 11 or 

 12 gill-rakers on lower part of anterior arch. About 95 pores in lateral line.' Dorsal 

 (loi) 105 (106) ; origin above middle of eye. Anal 81-82 (86). Pectoral of ocular 

 side vWth 14 or 15 rays, length 2| in that of head. Caudal peduncle a little longer 

 than deep. More or less uniformly brownish. 



Type. — Not traced. 



Distribution. — Pacific coast of North America, from the Bering Sea to San 

 Francisco. 



Specimens Examined : 



I (490 mm.). 

 I {290 ,, ).' 



\v. 



U.S. Nat. Mus. 



Pt. Reves, California. 



This species is said to attain a length of 2 feet. 



* In large examples small pores are present here and there between the principal pores. Only 

 the latter have been counted here. 



* In a very bad state. 



