658 COXTRIBUTIOXS TO XORTII AMERICAN ICHTHYOLOGY IV. 
l®aO. S. meSanaops (Grd.) Ayres. 
Olive brown, dark above, the sides paler; upper part of sides thickly 
marked Avitli small slaty-black blotches; head blackish above; a dark 
.streak ou maxillary and one from eye across cheeks; fins dusky, the 
<lorsal paler at base, with many round dark olive- brown spots; a black 
opercular s])ot; lower rays of pectorals often tinged with orange. Body 
comparatively elongate, highest at shoulders. Head long, in form 
intermediate between mysUnus and Jiavidus ; snout rather sharp. Mouth 
large, oblicpie, the maxillary not quite reaching posterior margin of 
orbit; its length a little less than half head; lower jaw protruding, its 
tip on a line with the descending profile; premaxillaries on the level of 
the lower margin of pupil. Eye large. Cranial ridges almost obsolete, 
all scaled over and without spines in the adult ; preocular spines obso- 
lete, the space forward of the eye not projecting; preo])ercular spines 
short, but sharp. Gill-rakers longer than in mystinus, very slender. 
Dorsal rather low, deeply emarginate, the highest spines 2^ in head, 
a little lower than the soft rays; caudal slightly emarginate. Anal 
opines small, the second shorter but stouter than third, longer than 
vye; pectorals short and rather broad, not reaching as far as tips of 
ventrals, which scarcely reach vent. Scales moderate; accessory scales 
numerous; mandible, maxillary, preorbital, and snout closely scaled. 
Peritoneum white. Head 3; depth 2§. D. XIH-IG; A. Ill, 8; Lat. 1. 
53; scales CO-70; pectoral 4^. L. 20 inches. Monterey to Sitka; mo.st 
abundant northward. At San Francisco much less common than 5'. 
mystin us. 
{Sebastes melanops Girard, Proc. Acgd. Nat. Sci. Phila. viii, 135, 1854, and in U. S. 
Pac. R. R. Snrv. Fish. 81; Ayres, Proc. Cal. Acad. Sci. 1862, 213, f. 66: Sebastes 
melanopa Giiuther, ii, 98: Scbastosomiis simulans Gill, Proc. Acad. Nat. Sci. Phila. 1864, 
147.) 
1011. S. ciliatiis (Tiles.) J. & G. 
Blackish green, the sides rather pale, much mixed with darker; dark 
shades from eye backward; a black streak on maxillary; fins all dusky, 
the upper fins somewhat mottled; adult said to have the body and fins 
tinged with red. Body rather deep and compressed. Mouth smaller 
than in melanops, the maxillary reaching to below posterior margin of 
pupil; lower jaw somewhat projecting, but without i)roiniuent knob at 
the symphysis; cranial ridges all obsolete, covered by scales; no pre- 
ocular spiue or any bulge of the skull iii that region; preorbital narrow, 
without spine; preopercular spines short and broad; opercular and su- 
l)rascai)ular spines small; lower jaw fully scaled, roughish. Head well 
