828 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



head; teeth small, slender, close-set, nearly uniform; above in 2 series, 

 helow in 1. Eyes large, separated by a sharp, scaly ridge; lower eye 

 advanced. Scales comparatively large, thin and deciduous, ctenoid, 

 but not so rough as in the other species; those on blind side similar, 

 less rough. Lateral line prominent. Fins low, fragile; anal preceded 

 by a spine; caudal fin long, rather pointed; pectorals small, the right 

 pectoral little more than half length of head. Gill- rakers short, slen- 

 der, toothed, 9 below angle, the longest about one- third diameter of 

 orbit. Head 4; depth 3^. D. 78; A. 02; V. 6; scales 16-71-18. L. 

 12 inches. A small, weak species, abundant in deep water, from San 

 Francisco to Alaska. 



(Jordan & Gilbert, Pxoc. U. S. Nat. Mus. 1880, 154.) 



aa. Lateral line with an accessory dorsal branch j teeth in one row ; dorsal beginning 

 before eye. {Psetfichthijs* Grd. ) 



1276. P. meBafiioslictais (Grd.) J. & G. 



Grayish brown, finely speckled with darker on body and fins. Body 

 not very deep, elliptical; mouth rather small, the maxillary extending 

 to below pupil, 24 in head; teeth large, in a single series in each jaw, 

 those in lower jaw largest; a few large canines in the front of each 

 jaw. Eyes very small, separated by a broad, flat, scaly space, without 

 ridge; lower eye slightly in advance of upper. Gill-rakers rather 

 stout, weak, hooked at tip, 14 below the angle. Scales very small, 

 ctenoid on colored side. Lateral line nearly straight, with a long acces- 

 sory dorsal branch. Dorsal commencing in advance of upper eye, the 

 anterior rays elevated, slender and exserted, the longest about one-third 

 length of head. First ray of dorsal nearly free from its membrane. 

 Pectoral fin short, 2^ in head ; anal fin preceded by a spine; caudal large, 

 strongly convex. Lower pharyngeals very narrow, each with one row 

 of sharp recurved teeth. Head 4; depth 2^. D. So ; A. 60; Lat. 1. 112. 

 Puget Sound to Point Concepcion, common. 



{Psettlchthys melanostictus Girard, Proc. Acad. Nat. Sci. Phila. 1854, 140: Pnettichthys 

 melanost ictus Giiuther, iv, 42U: Psettldiihys iiivlanostivtiis Lockiugton, Proc. U. S. Nat. 

 Mus. 1879, 7:3.) 



456.-PLEUR©.\ICTHY§ Girard. 

 {Heteroprosopoii Bleeker. ) 

 (Girard, Proc. Acad. Nat. Sci. Phila. 1854, 139: type Pleuronichthys coenosus Girard.) 

 Eyes and color on the right side. Body deep; head short, with very 



* Girard, Proc. Acad. Nat.. Sci. Phila. 1854, 140: type Psettichtliys melanosi ictus 

 Girard, {iperra, llonnder; ix^Vi, hsh.) 



