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. 16 ; 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. 



(CaJycilepidotus spinosus Ayres, Proc. Cal. Acad. Nat. Sci. i, 76, 1855; Girard, Proc. 

 Acad, Nat. Sci. Pliila. 1856, 134; Girard, U. S. Pac. E. R. Surv. Fish. 68.) 



1O9. H. joa-dasii Beau. 



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 interorbital 

 space; maxillary extending to below middle of eye; top of head corru- 

 gated ; distance of spinous dorsal from snout equal to length of pectoral; 

 first dorsal spine as long as maxillary; longest dorsal spine 2 J in head; 

 pectoral reaching anal; ventral nearly or quite to vent; a narrow fold of 

 skin across isthmus. Head 2; depth 4. D. Ill, VIII, 21; A. 17; V. 

 I, 4. L. 13 inches. Unalashka. 



(Bean, Proc. U. S. Nat. Mus. 1881, 153.) 

 aa. Belly covered with small black spots. 



1O99. H. tracfrurus (Pallas) Giiuther. 



Olivaceous or reddish, more or less mottled and barred with darker; 

 belly and lower parts pale, profusely covered with small blackish spots; 

 fins all more or less speckled; skin joining bones of jaws finely spotted 

 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 spines; 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 band 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 

 2f; 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 H. spinosus, and readily distinguished by the spotted belly. 



(Coitus hemilepidolus Tiles. Me"m. Ac. Petersb. iii, 262, 1801: Coitus tracliurus Pallas, 

 Zoogr. Ross -Asiat. iii, 138, 1811: Hemilepidotus tilesii Cuv. & Val. iv, 276, 1829; Giiu- 

 ther, ii, 173: Blepsias ventricosus Eschscholtz, Zool. Atlas, 3d Heft, 14, t. 13: Temnistia 

 ventricosa Richardson, Fauna Bor.-Amer. Fish. 1836, 59: Hemilepidotus glbbsi Gill, 

 Proc. Acad. Nat. Sci. Phila. 1862, 13.) 



