344 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
not strongly ctenoid, the surface rugose with radiating striie; mouth large, lower jaw promi- 
ueut ; maxillary, with a well-developed Supplemental bone, exteuding to below the eye; preorb- 
ital wide; teeth all villiform, in broad bands, on jaws, vomer, and palatines; dorsal spines 
stout, the last spines very much shorter than the middle ones, and all depressible in a deep 
groove; anal tin similar to soft dorsal, with three low stout spines; caudal fin broad, nearly trun- 
cate; pectorals moderate; ventrals long, reaching vent; color brownish with large black blotches, 
becoming with age nearly uniform greenish black ; vertical tins in the young with a conspic- 
uous pale edge; ventrals black. Head 3 in length; dejith 3. D. XI, 10: A. HI, 8; scales 
115 Gigas, 11. 
11. STEREOLEPIS GIGAS. 
(The California Jew-fisii.) 
Stereolepis gigas Ayres, Proc. Cal. Acad. Sci. 28, 1859; (Southern California) Jordan & Gilbert, Proc. 
U. S. Nat. Mus., 27, ISoO, (San Diego); Jordan & Gilbert, Proc. U. S. Nat. Mus., 456, 1880; 
(Monterey Bay; Santa Barbara; San Diego) ; Jordan & Gilbert, Synopsis Fish, N. Am., 531, 
1883 ; Jordan Cat. Fish. N. Am. 83, 1885. 
Stereolepis californicus Gill, Proc. Acad. Nat. Sci. Phil., 330, 1863, (California) substitute for gigas, sup- 
posed to be preoccupied, but the Centropristis gigas of Owen is a Polyprion, 
Habitat. — f3oast of California, north to the Farallones. 
Etymology : gigas,, giant. 
This huge fish is rather common about rocks on the California coast, from the 
Farallones southward to beyond San Diego. It reaches a weight of 400 to 500 pounds. 
As it was thought likely that Centropristis gigas Owen (Osteol. Cat. 1853, 1, 51) from 
New Zealand might prove to be a species of Stereolepis, Dr. Gill has proposed to 
change the name of this species to Stereolepis californicus. This species of Owen, is 
now regarded as identical with Polyprion oxygeneios. 
Genus IV.— HEMILUTJANUS. 
Hemilutjanus Bleeker, Systema Percarum Eevisum, Archives Neferlandaises, XI, 1875,277. (Type 
Pleciropoma macrophihalmos Tschndi). 
Type — Plectropoma macrophthahnos Tschudi. 
Etymology — ij>[, half; Lutjanus, a genus of sparoid fishes, to which these fishes are 
in no way allied. 
This is one of the most strongly marked of the Serranoid genera, showing resem- 
blances at once with Stereolepis, Plectropoma, Anthias, and Priacanthus. But a single 
species is definitely known. 
The name selected by Dr. Bleeker for this genus is peculiarly unfortunate, for 
besides the lack of euphony in the name, the genus has neither resemblance to nor 
affinity with the genus Lutjanus. 
ANALYSIS OF SPECIES OF HEMILUTJANUS. 
a. Color nearly uniform grayish, lateral line black; caudal lunate; body rather short, deep, compressed ; 
anterior profile rather steep; snout sharp; profile with a concavity before and above eye, the 
nape convex; occipital keel sharp; interorbital space broad, concave next the sharp orbital 
ridges, the middle transversely convex ; interorbital width 4^ in head, snout 4; nostrils round- 
ish, close together, the posterior the larger; eye very large, 3^ in head; preorbifal extremely 
narrow, about one-fourth width of pupil; mouth large, the lower jaw projecting; maxillary very 
broad and scaly, reaching posterior edge of pupil, lA in head; supplemental maxillary very 
