836 CONTEIBUTIOXS TO NOETH AMEEICAN ICHTHYOLOGY IV. 
scales at base of dorsal and anal rays and on sides of head; similar 
but smaller scales scattered over the body. Lateral line smooth. Fins 
without scales ; a cluster of bony prominences above opercle. Teeth 
incisor-like, truncate, rather broad, Lower j^haryngeals broad, 
with coarse, paved teeth. Head 3| ; depth 2. D. 58 ; A. 42. L. 30 
inches. San Luis Obispo to Kamschatka; very abundant northward; 
one of the largest and most imjiortant of the flounders of the Pacific 
coast. 
(Pallas, Xov. Act. Petropol. 1, 347: Platichthys runosus Girard, U. S. Pac. E. E. Surv. 
Fish. 148; GUnther, iv, 443: Platichthys stellatus Lockiugtou, Proc. U. S. Nat. Mus. 
1879, 91.) 
ff. Ej'es and color strictly on the right side. 
g. Scales not imbricated, nsually ctenoid in the male, cycloid in the female ; lower 
pharyngeals broad, with paved teeth. (Pleuronectes.) 
12S9. P. qiiadfi'atiiS»ercu9atus Pallas. 
Grayish, mottled with italer and with round black spots; fins very 
dark. Form of P. glaher. Mouth very small, with small, incisor-like 
teeth, rounded at tip. Ej’es separated by a narrow ridge; about five 
small, prominent, conical, obtuse bony tubercles in a row above the op- 
ercle, continuous with the direction of the lateral line, which is straight, 
without accessory dorsal branch ; tubercle above opercle largest. Seales 
small, cycloid in all specimens examined. Anal spine present. Head 
35 ; depth 2. H. G8; A. 50; Lat. 1. 78. Coasts of Alaska and Kam- 
tschatka. 
(Pallas, Zoogr. Eoss.-Asial. iii, 423, 1811: Parophrys quadritiiberculatus Gunther, iv, 
456; Bean, Proc. U. S. Nat. Mus. 1881, 241: Pleuronectes pallasi Steindachner, Ichth. 
Beitriige, viii, 45, 1879.) 
1290. P. glabor (Storer) Gill. 
Grayish brown, mottled with darker brown; fins with blackish spots. 
T>ody oblong, ovate. Eyes rather small, separated by a naked elevated 
ridge. Jaws sometimes each with two distinct rows of teeth; the inter- 
rupted outer series of truncate, close-set, thickish incisor-like teeth, 
which are sometimes movable; tbe inner row of similar teeth more 
widely set and rather distant from the outer row (and often or generally 
wanting); about 20 teeth in outer row in lower jaw; right side of both 
jaws toothless; interorbital ridge continuous with a broad, naked, 
smoothish, tuberculose ridge, which joins the lateral line. Scales small, 
distant, uon-imbricate, smooth in the female and more or less ctenoid in 
the male; those on blind side smaller. Fins moderate, somewhat scaly; 
anterior rays of dorsal low ; pectoral a little more than half head ; bases 
of vertical fins not tubercul ate. Anal spine present. Lower i)haryugeals 
