107. COTTID^ HEMILEPIDOTUS. 
715 
broad, shortish, about reaching vent; distance from spinous dorsal to 
snout greater than length of pectoral. Head 3; depth 5. D. Ill, VIII, 
20; A. 1C; V. 1, 4; Lat. 1. 60. L. 10 inches. Coast of California, in rather 
deep water; seen by us only about Monterey and San Francisco. 
{CalijcAlepidotus sjj i h os its Ayres, Proc. Cal. Acad. Nat. Sci. i, 7G, 1855; Girard, Proc. 
Acad, Nat. Sci. Phila. 1856, 134; Girard, U. S. Pac. R. R. Surv. Fish. 68.) 
109§. II. jordasai Bean. 
Throat and belly pure white; upper parts brownish, with wavy darker 
bai s. Dorsal band of scales with but 4 rows in its widest part. Eye 
as long as snout, 4 in head, the short diameter equal to iuterorbital 
space; maxillary extending to below middle of eye; top of head corru- 
gated ; dista nee of spinous dorsal from snout equal to length of pectoral ; 
first dorsal spine as long as maxillary ; longest dorsal spine 2^ in head ; 
pectoral reaching anal; ventral nearly or quite to vent; a narrow fold of 
skin across isthmus. Head 2|; depth 44. D. Ill, VIII, 21; A. 17; V. 
I, 4. L. 13 inches. Unalashka. 
(Beau, Proc. U. S. Nat. Mus. 1881, 153.) 
aa. Belly covered with small black spots. 
1999. II. tracEitariis (Pallas) Giiuther. 
Olivaceous or reddish, more or less mottled and barred with darker; 
belly and lower parts jiale, profusely covered with small blackish spots; 
fins all more or less speckled; skin joining bones of jaws finely siiotted 
with black. Body robust, not depressed. Head large; interorbital 
space deeply concave, its width § diameter of the large eye; occipital 
ridges low and broad; bones of top of head extremely rough, naked; 
with radiating striae, but without sjiines; small flaps over posterior 
part of eye, at occiput, over opercle, and on cheek, maxillary, preor- 
bital, mandible, and tip of snout. Skin thick and firm; gill-membranes 
forming a slight fold across the isthmus; upper baud of scales of about 
4 rows, narrower anteriorly than the interspace; first three spines of 
dorsal about equal, lower than those following; soft dorsal high. Head 
23; depth 3|. D. Ill, VIII, 19; A. 15; V. I, 4; Lat. 1. 61. L. 18 inches. 
Alaska to San Francisco; abundant in Puget Sound; a much larger 
fish than II. spinosiis, and readily distinguished by the spotted belly. 
(Cotius hemilepidotus Tiles. M4m. Ac. Petersb. iii, 262, 1801: Coitus trachurus Pallas, 
Zoogr. Ross -Asiat. iii, 138, 1811: Uemilepidotus tilesii Cuv. & Val. iv, 276, 1829; Giin- 
tber, ii, 173: Blepsias ventricosus Escbscholtz, Zool. Atlas, 3d Heft, 14, t. 13: Temnistia 
ventricosa Richardson, Fauna Bor.-Amer. Fish. 1836, 59: Uemilepidotus gibbsi Gill, 
Proc. Acad. Nat. Sci. Phila. 1862, 13.) 
