PARALICHTHIN^ 79 



junction of the straight and curved portions of the lateral line, and a similar but 

 smaller ocellus on the middle of the straight part. 



Type. — Museu Nacional, Rio de Janeiro. 



Distribution. — Rio de Janeiro. 



This species is known only from the two types, each 330 mm in total length. 



8. PARALICHTHYS OBLONGUS (Mitchill). 



[Four-spotted Flounder.] 



PUttroncch-s oblongus, Mitchill, 1815, Tr. Lit. Phil. Soc. N. York, i, p. 391. 



Platessa quadrocellata, Storer, 1848, Proc, Boston Soc. Nat. Hist., ii, (1847), p. 242 ; Storer, 1S67, 



Hist. Fish. Massach., p. 203, pi. .xx.xi, fig. 3. 

 Platessa quadrocellaris , Gill, 1861, Proc. Acad. Nat. Sci. Philad., Suppl. (Cat. Fish. E. Coast N. .\raer.), 



p. .SI. 

 Chanopselta ablonga, Gill, 1864, Proc. Acad. Nat. Sci. Philad., p. 218. 

 Paralichthys oblongus, 1881, Goode, Proc. U.S. Nat. Mus., iii, (1880), p. 472 ; Jordan and Gilbert, 



1883, Bull. U.S. Nat. Mus., .\vi, p. 824 ; Jordan and Goss, 1889, Rep. U.S. Com. Fish., xiv. 



(1886), p. 249, pi. iii, lig. 8 ; Goode and Bean, 1895, Ocean. Ichth., p. 436 ; Jordan and Ever- 



raann, 1898, Bull. U.S. Nat. Mus., xlvii (3), p. 2632, pi. ccclxxiv, fig. 924 ; Bean, 1902, Ann. 



Rep. Forest Fish Game Comm. N.Y., vi, (1901), p. 473 ; Bigeiow and Welsh, 1925, Bull. U.S. 



Bur. Fish., xl (i), {1924), p. 494, fig. 250 ; Nichols and Breder, 1927, Zoologica, ix, p. 177, fig. 



Eggs, Larv.e and Young. 

 .^gassiz, 1878, Proc. .Amer. .Acad., xiv, p. r, figs. 



Depth of body 2J to 2| in the length, length of head 3I to 4. Upper profile of head 

 straight or slightly concave above eyes. Snout about as long as or longer than eye, 

 diameter of which is 4 to 4§ in length of head ; eyes separated by a prominent, narrow 

 ridge, their anterior margins about level. Maxillary e.xtending to below posterior 



part of eye, length 2^ in that of head ; lower jaw not projecting, i| in head. Teeth 

 rather small, canines moderate. 7 to 10 gill-rakers on lower part of anterior arch. 

 Scales cycloid or feebly ctenoid ; about 95 in lateral line ; no supplementary scales. 

 Dorsal (72) 75-82 (86) ; commencing just behind posterior nostril of blind side and 



