G42 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



supraorbital cirrus. GUI-membranes broadly connected, free from tlio 

 isthmus; <;ill-rakers short, tubercle-like. Scales small, mostly ctenoid. 

 Head more or less scaly, without spines. Lateral lines usually 5 on 

 each side. Dorsal fin long, sometimes with a deep emargination be- 

 tween the spines and the soft rays; dorsal spines slender, 19-22 in 

 number; anal fin elongate, with a single rudimentary spine; rays of 

 peetorals and anal exserted and almost simple; pectoral rounded, with 

 broad, procurrent base, the rays thick; ventrals well developed, placed 

 at a considerable distance behind the root of the pectorals; caudal sub- 

 truncate. Branchiostegals 6. Pyloric coeca numerous (about 13). Xo 

 air-bladder. Species of rather large size and bright coloration; abun- 

 dant in the ZSTorth Pacific. (, six; rpa.u/j.i), line.) 



. Dorsal liu coutiuuotis, or but slightly emargiuate. (Pleurograminus* Gill.) 



997. II. inonoptci'ygius (Pallas) J. & G. 



Dark olive above, yellowish below, the color of the back forming sev- 

 eral broad cross-bars on the sides; fins dusky, nearly plain; the pec- 

 toral with blackish margin ; ventrals blackish. Body rather stout, little 

 compressed. Mouth moderate, the maxillary extending to below the 

 front of the large eye. Teeth in the jaws in bands, the outer series 

 somewhat enlarged and recurved; teeth on vomer, and a few asperi- 

 ties on the palatines. Supraocular cirri small. Cheeks partly naked; 

 opercles well scaled; scales small, all rough. Five lateral lines, the 

 fourth of these ceasing on the belly. Dorsal fin high and continuous; 

 pectoral rather large; ventrals long, inserted behind the pectorals at 

 a distance of twice the diameter of the eye. Head 4^; depth 4. D. 

 XXI-2.">: A. 24. Coast of Alaska; not rare. 



(Labrax monoplcri/i/in^ Pallas, Mrui. .V. Sri. IVIrrsl). ii, 391, 1810, and in Zoogr. 

 "Asiat. iii, 281: Chinm ini>i><iiif<Ti/t/inx (Jiiiither, ii, 92.) 



998. II. ordiiiatiis (Cop.>) J. & G. 



"Dorsal tins not. very elevated, continuous, but with a slight depres- 

 sion at the point of union of the two; a dentate flap above each eye; 

 lateral lines ol' pores ~>. only three of which extend to the basis of the 

 caudal lin, \\7., the second, third, and fil'th; the first extends to opposite 

 the middle of the second dorsal; the fourth commences below and in 

 front of the basis of the pectoral, and extends to a point a little behind 

 thai measured by tin-, extremity of that I'm: (he inferior series of oppo- 

 site. sides < -.on verge, and unite a little behind the basis of the ventrals 



*Gill, i'ror. A< ;nl. Nat. Sci. 1'liila. 1H61, 166: type Labrax itionoptcryyiuy Pallas. 



