774 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
eacli .ending in a pore, as in Xiphister, Init the branches more oblique 
and less regular. Head short } crown with a conspicuous fleshy lon- 
gitudinal crest in the adult; jaws subequal, with conical teeth; ^ulli- 
I'orm teeth on vomer and palatines; gill-membranes united, free from 
the isthmus. Dorsal tin continuous, long and low, the anterior part 
composed of sharj) spines, which are rather lower than the soft rays; 
caudal fin rounded, connected with dorsal and anal; anal tin similar to 
soft dorsal, with 1 or 2 small spines; pectorals small; ventrals wanting. 
Intestinal canal elongate, with several pyloric cceca. Pacific Ocean. 
Herbivorous, similar in habits to the species of Xiphister. {yS^jSoi;, the 
!Sai)ajou, a kind, of monkey; fish; in allusion to the “peculiar 
monkey-like” i>hysiognomy as seen from the front.) 
1181. C. vaoSacCKS (Ayres) Grd. 
Dull olive grayish, mottled with lighter, sometimes reddish tinged; 
vertical fins all edged with reddish; cheeks with 3 darker strii)es, 
edged Avith paler, one downward and backward from the eye, close 
behind angle of mouth; another aboA^e it to root of iiectoral; another 
running upward and backAvard from the eye, and meeting its fellow 
over the crest. Maxillary extending to or beyond orbit. Dorsal scaly 
at base; A^ent nearer snout than base of caudal; pectoral two-fifths 
length of head ; nape midway between dorsal and eye. Head (31 ; 
dei>th 0. D. XXIII, 41; A. I,. 41. L. 30 inches. San Francisco to 
I’oint Concepcion; abundant. 
{Apodichtlujs cio/fflCfM.s Girard, Proc. Acad. Nat. Sci. Phila. 1854, 150: Cehedichthijscris- 
tagalli Ayres, Proc. Cal. Acad. Nat. Sci. i, 58, 1855; Girard, U. S. Pac. R. R. Siirv. Fish. 
121 ; Giiuther, iii, 260. ) 
4 16.— Er:tIES©«K AMMUS Gill. 
(Gill, Proc. Acad. Nat. Sci. Phila. 1864, 210; type Clinus prwcisus Krdyer.) 
Hody conq)aratively short, the back somewhat arched; mouth rather 
large, the jaAvs Avith villiform teeth; teeth on A’omer and palatines. 
Scales small; lateral line present, median, with one or more accessory 
branches; pectorals and A’entrals Avell developed. Dorsal moderately 
high, of spines only, slightly connected Avith the rounded caudal; gill- 
openings continued forAvards below, the membranes narrowly Joined to 
the isthmus; pyloric cteca present, [so, well ; ijAgc-c;, middle; ypapiir., 
line; the longest lateral line being the middle one.), 
a. Lower lateral line jiresent. 
1182. E. (Kr6,yer) Gill. 
An ovate, black, white-edged spot between the sixth and tenth dorsal 
S])ines. Snout subconical; cleft of mouth slightly oblique; Ammerine 
