836 CONTRIBUTIONS TO NORTH AMERICAN 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 pharyngeals broad, 

 with coarse, paved teeth. Head 3f ; depth 2. D. 58 ; A. 42. L. 30 

 inches. Sari Luis Obispo to Kainschatka; very abundant northward; 

 one of the largest and most important of the flounders of the Pacific 

 coast. 



(Pallas, Nov. Act. Potropol. 1, 347: PlatichViys rugosus Girard, U. S. Pac. R. R. Snrv. 

 J-Y-h. 148; Giinther. iv, 443: Platichthys stellatus Lockiugton, Proc. U. S. Nat. Mus. 

 1879, 91.) 



ff. Eyes and color strictly on the right side. 



</. .Scales not imbricated, usually ctenoid in the male, cycloid iu the female ; lower 

 pharyngeals broad, with paved teeth. (Phuronectes.) 



129. P. quadritiiBtCfl'ciilatus Pallas. 



Grayish, mottled with paler and with round black spots; fins very 

 dark. Form of P. ylaber. Mouth very small, with small, incisor-like 

 teeth, rounded at tip. Eyes 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. Scales 

 small, cycloid in all specimens examined. Anal spine present. Head 

 :'.:-;; depth 2. D. 08; A. 50; Lat. 1. 78. Coasts of Alaska and Kam- 

 tschatka. 



(Pallas, Zoogr. Ross.-Asiat. iii, 423, 1811: Parophryn ([uadrituberculatus Giinther, iv, 

 4.".<;; I!can, Proc. U. S. Nat. Mus. 1881,241: Plcuronectes pallani Steindaclmer, Ichth. 

 l'>.-itr;ii;r, viii, 45, 1879.) 



129O. P. glabcr (Storer) Gill. 



Grayish brown, mottled with darker brown; fins with blackish spots. 

 ] '.oily oblong, ovate. Eyes rather small, separated by a naked elevated 

 ridge. .laws 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; the inner row of similar teeth more 

 widely set and rather distant from the outer row (and often or generally 

 wanting); about L'O teeth in outer row in lower jaw; right side of both 

 jaws toothless; interoi bital ridge, continuous with a broad, naked, 

 Mnoothish, tubercnlose ridge, which joins the lateral line. Scales small, 

 distant, non-iinbricate, smooth in the female and more or less ctenoid in 

 Ihe 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 tins not tuberculate. Anal spine present. Lower pharyngeals 



