113. PLEURONECTID^E PLEUEONECTES. 
833 
caudal tipped with dusky; blind side white, immaculate, or with small 
round rusty spots; left side of head sometimes rusty tinged. Body 
oblong, robust; caudal peduncle rather long; snout projecting; form- 
ing an angle with the profile; mouth oblique, the chin projecting; 
teeth narrowly incisor-like, bluntish, in a single, rather close-set 
series; maxillary reaching past front of orbit, 5| in head; eyes large; 
interorbital space rather broad, scaly, continuous with a ridge above 
opercle. Head mostly covered with scales like those of the body, but 
smaller and rougher. Gill-rakers feeble. Lower pharyngeals each 
with two rows of coarse blunt teeth. Scales thick and firm, adherent, 
not closely imbricated; those in front well apart; all the scales strongly 
ctenoid; blind side with similar scales, almost as strongly ctenoid. Ver- 
tical fins mostly scaly. Lateral line conspicuous, its scales less rough 
than the others; a distinct short accessory lateral line on both sides, 
extending to about the tenth dorsal ray, less than one-sixth head ; a series 
of pores around lower eye behind. Dorsal beginning over pupil, its ante- 
rior rays low; its highest rays nearly half length of head; caudal 
large, double truncate; pectoral of right side about half head. Head 
3J; depth 2. D. 70 to 70; A. 52 to 57; V. 6; Lat.l. 85. L. 15 inches. 
Puget Sound. 
{Paroj>hriia ischi/rus Jordan & Gilbert, Proc. U. S. Nat. Mus. 1880, 276.) 
11). Lateral line with a strong arch in front; scales rough. {LepUlopselta* Gill.) 
1284. P. bilineatus (Ayres) Gtbr. 
Yellowish brown, with numerous round pale blotches. Body broadly 
ovate, thickish; mouth moderate, turned toward the left side; teeth 
stout, conical, little compressed, bluntish, in one series, rather irregu- 
larly placed. Lower pharyngeals broad, with two rows of blunt teeth. 
Gill-rakers few, very short, thick and weak, without teeth. Snout pro- 
jecting; eyes large, separated by a prominent ridge, which, like the 
cheeks and upper portion of the opercle, is covered with rough stellate • 
scales; lower eye advanced; opercle, subopercle, and interopercle of 
left side scaly; preopercle naked. Scales rather small, mostly ctenoid, 
not closely imbricated; those on the blind side smooth; scales on the 
cheeks and other parts of the head very rough ; scales of body smoother 
and less closely imbricated anteriorly, the degree of roughness varia- 
ble, northern specimens (var. tmhrostis) being roughest. Lateral line 
*Gill, Proc. Acad. Nat. Sci. Phila. 1864, 195: type Platichthys umbrosus Girard = 
Platessa billneata Ayres. (AeTrzdoJ, scaly; iperra, flounder.) 
Bull. Nat. Mus. No. IG 53 
