74 CALIFORNIA ACADEMY OF SCIENCES. 



tal area scarcely half diameter of eye; moutli large, maxil- 

 lary extending much beyond orbit; lower jaw flat, slightly 

 curved upward anteriorly; mouth very much as in Esox; 

 teeth all small, in narrow bands in eacli jaw; the outer ones 

 of the upper jaw slightly larger than the others. 



Scales minute, slightly enlarged posteriorly; their mar- 

 gins plain, the anterior part of the exposed area lengthwise 

 striated; breast and ante-dorsal- area naked. 



Distance from snout to insertion of first dorsal spine is 

 contained 2| in body; the spines slender and short, 3 in 

 head; inter-dorsal area equals snout and eye; dorsal rays 

 slightly longer than the spines, the last ray not extending 

 half way to caudal; caudal pointed, scarcely shorter than 

 head; ventrals not reaching half way to vent, I5 in head; 

 pectoral 1^ in head; vent slightly behind middle of body. 



Color light brownish; numerous darker spots of aggre- 

 gated points along nape and upper half of body; belly 

 white; head slightly darker than body; posterior edge of 

 opercle white; an oblique silvery bar on the lower half of 

 opercle, and a light blotch at the upper corner of opercle; 

 cheek with black points; some light areas below eye; lower 

 surface of head and posterior part of maxillaries plain; two 

 dark bars on spinous dorsal; second dorsal with three or 

 four dark bars; a curved black bar at base of caudal; re- 

 mainder of caudal irregularly barred with dark; other fins 

 plain. 



The specimen we have described agrees well with Stein - 

 dachner's description, except that he states that his speci- 

 mens were entirely naked. 



XIX. GiLLiCHTHYS Cooper. 



64. Gillichthys mirabilis Cooper. 

 Calif ornian fauna. 



