PLEURONECTINAi 



Specimens Examined 

 2 (i6o, 300 mm.).* Types. 

 1 (270 mm.). 

 I {215 „ ). 

 I (185 

 I (192 



1 (150 



2 {255, 300 mm.). 



(220-240 

 (185-300 

 (68-90 mm 

 (103-320 m 

 (280 mm.). 

 (155 ,, ). 

 (120 ,, ). 

 (90-340 mn 



Also one from Japan (Mus. Comp. Zool.). 



3. PSEUDOPLEURONECTES AMERICANUS (Walbaum). 

 [Winter Flounder.] 



Pleuronedes, Schoepf, 1788, Schrift. Ges. nat. Freunde Berlin, viii, p. 148. 



Pleuronecies americanus, Walbaum, 1792, Artedi Ichth., (3), ed. 2, p. 113; Schneider, 1801, in 

 Bloch, Syst. Ichth., p. 150; Gunther, 1862, Cat. Fish., iv, p. 443 ; Jordan and Gilbert. 1883, 

 Bull. U.S. Nat. Mus., xvi, p. 837 ; Stearns, 1884, Proc. U.S. Nat. Mus., vi, (1883), p. 125. 



Pleuronecies planus, Mitchill, 1814, Kept. Fishes N. York, p. 8; Mitchill, 1S15, Trans. Lit. Phil. 

 Soc. N.Y., i,p. 387. 



Platessa plana, Storer, 1839, Boston J. Nat. Hist., ii, p. 475 ; Rep. Ichth. Massach., p. 140; De Kay , 

 1842, N.H. New York (Fish.), p. 295, pi. .xlviii, fig. 154, pi. xlix, fig. 158; Storer, 1867, Hist. 

 Fish. Massach., p. 195, pi. xxx, fig. 2. 



Platessa pusilla De Kay, 1842, torn, cit., p. 296, pi. xlvii, fig. 153 ; Storer, 1846, Synopsis Fish. N. 

 Amer., p. 477. 



Pscudopleuronectes planus, Bleeker, 1862, Versl. Akad. Wet. Amsterdam, .xiii, p. 428. 



Pseudopleuronectes americanus. Gill, 1864, Proc. Acad. Nat. Sci. Philad., xvi, p. 216 ; Goode, 18S4, 

 Nat. Hist. Aquat. Anim. (Fisheries Fish. Indust. U.S., i), p. 182, pi. xliv ; Jordan and Goss, 

 1889, Rep. U.S. Com. Fish., xiv, (t886), p. 289, pi. vi, fig. 14 ; Jordan and Evermann, 1898, 

 Bull. U.S. Nat. Mus., xlvii (3), p. 2647, pi. ccclxxix, fig. 933 ; Bean, 1902, Ann. Rep. Forest 

 Fish Game Comm. N.Y., vi. (1901), p. 475 ; Huntsman, 1922, Contr. Canad. Biol., (1921), 

 No. iii, p. 22 ; Bigelow and Welsh, 1925, Bull. U.S. Bur. Fish., xl (i), (1924), p. 501, fig. 256 ; 

 Nichols and Breder, 1927, Zoologica N.Y., ix, p. 178, fig. ; Hildebrand and Schroeder, 1928, 

 Bull. U.S. Bur. Fish., .xliii (i), (1927), p. 169, fig. 87. 



Pseudopleuronectes dignabilis, Kendall, 1912, Bull. U.S. Bur. Fish., xxx, (1910), p. 392, pi. Ivii; 

 Bigelow and Welsh, 1925, torn, cit., p. 507, fig. 261. 



Eggs, Larv.e 



You 



Agassiz, 1878, Proc. Amer. Acad., xiv, p. i, figs. ; Breder, 1923, Bull. U.S. Bur. Fish., xxxviii, 

 (1921-22), p. 312, fig. 275 ; Bigelow and Welsh, 1925, torn, cit., p. 501, figs. 257-260. 



Depth of body 2 to 2 i in the length, length of head 3 J to 41. Upper profile of 

 head straight or a little concave above eyes. Snout as long as or shorter than eye, 

 diameter of which is 4^ to 6 in length of head ; anterior margins of eyes level or lower 

 very little in advance of upper ; interorbital space rather fiat, scaled, width J to ^ 

 diameter of eye ; postocular ridge low and inconspicuous, not rugose. Maxillary 

 extending to below anterior edge of eye or a little beyond, length on ocular side 3f 



' The larger is selected as the holotype. 



- This specimen, received as L. schrenki, has a general coloration very similar to that shown in 

 Pavlenko's figure of the tyiie of L. angustirostris var. maculosa. 



