Specimens Examined : 



2 (260, 262 mm.). 



PARALICHTHIN,4i 



San Diego Bay. 

 California. 



Eige 



This species, in which the coloration and length of the pectoral fin on the ocular 

 side is subject to considerable variation, is indifferently sinistral or dextral. It grows 

 to a length of about 15 inches. 



2. XYSTREURYS RASILE (Jordan). 



V'frecundum rasile, Jordan, 1890, Proc. U.S. Nat. Mas., xiii, p. 330. 



Hippoglossina notata. Berg, rSgg, An. Mus. nac. B. Aires, iv, p. 75. 



Xystreurys notatus, Ribeiro, 1904, Lavoura (Bol. Soc. nac. Agricult.}, 4-7 {1003), p. 192 ; Ribeiro, 



1915, Arch. Mus. nac. Rio de J., xvii, Heterosomata, p. 11. 

 Xyslreurys brasiliensis, Regan, 1914, Ann. Mag. Nat. Hist., (8) xiii. p. 17 ; Regan, 1914, Rep. Brit. 



Antarct. (" Terra Nova ") Exped., 1910, Zool., I, i, p. 23, pi. x, tig. i. 



Fig. 77. — Xystreurys 



Depth of body 2J in the length, length of head about 4. Upper profile of head 

 not notched above eyes. Snout shorter than eye. diameter of which is 2 f to 3; in 

 length of head : anterior margins of eyes about level, the upper entering dorsal profile 

 of head. Maxillary extending to a little beyond anterior third of eye. length about 

 2 J in that of head ; lower jaw 2 in head. Gill-rakers of moderate length : 10 or 11 

 on lower part of anterior arch. 82-86 scales in lateral line ; supplementary scales 

 not very numerous. Dorsal 78-S3. Anal 64-67. Most of the rays of dorsal and 

 anal fins simple, only the last 3 or 4 branched. Pectoral of ocular side with 10 rays, 

 a little falcate, nearly as long as or a little longer than head. Caudal pointed, middle 

 rays a little longer than head ; caudal peduncle more than twice as deep as long. 

 Pale brownish ; a large double ocellus at junction of curved and straight parts of 

 lateral line, and a small ocellus between this and the dorsal fin ; a black spot 

 posteriorly on lateral line ; traces of another pair of spots above and below its 

 straight part. 



Type. — United States National Museum. No. 43430. 



Distribution. — Coasts of Brazil, Uruguay and the Argentine Republic. 



Specimens Examined : 



(98, 170 mm. J. Types of A', hn 



C. Frio, Brazil, 40 fms. 



