1342 Bulletin //, United States National Museum. 



nostril to fork of caudal, covering base of pectoral and ventrals; dorsal 

 and anal fins included in a deep, scaly sheath which runs out to the tips 

 of last rays ; scales on dorsal and anal rays only visible by the aid of a 

 lens; scales of body without accessory scales. Dorsal fin deeply notched, 

 last spine \\ in first ray; spinous dorsal high, spines slender; soft dorsal 

 very low and long; anal slightly higher than soft dorsal, second spine 

 longest; pectoral sharp, falcate; caudal sharp. Color bluish-gray, with 

 lighter longitudinal streaks of bright bronze; upper fins with golden; 

 caudal partly dusky; preorbital with vertically oblong spots. Length 18 

 inches. Gulf of California, rather rare, about rocky islands; specimens 

 examined by us from Cape San Lucas, Guaymas, La Paz, and Mazatlan. 

 (inornatus, not adorned.) 



Microlepidotus inornatus, GILL, Proc. Ac. Nat. Sci. Phila. 1862, 256, Cape San Lucas 



(Coll. Xantus) ; JORDAN, Fishes of Sinaloa, 463, 1895. 

 Orthopristis inornatus, EVERMANN & JENKINS, Proc. U. S.Nat. Mus. 1891, 148; JORDAN & 



FESLER, I. <?., 501. 



549. GENYATREMUS, Gill. 



Genyatremus, GILL, Proc. Ac. Nat. Sci. Phila. 1862, 256 (cavifrons). 



This genus resembles Anisotremus in most external respects, but there is 

 no central pore or groove at the chin. In this respect it agrees with 

 Plectorhynchus, Parapristipoma, and Isacia, groups not represented within 

 our limits ; the species without this groove belonging chiefly to the Old 

 World. One species known, a robust fish with strong spines and a convex 

 profile ; soft dorsal and anal scaleless. (yewS, chin ; d, privative ; rpijiia, 

 aperture. ) 



1716. GENYATREMUS LUTEUS (Bloch). 



Head 3| ; depth 2. D. XIII, 12 ; A. Ill, 11 ; scales 11-52-19. Body ovate, 

 compressed, the back much elevated, the depth a little less than half body ; 

 anterior profile evenly convex at nape, gradually becoming concave to 

 front of eye, where it rapidly descends straightish to point of snout; 

 interorbital area flat, about equal to eye; occipital crest arising opposite 

 middle of pupil, its base rising on the highly arched frontals considerably, 

 above top of the low temporal crest. Head small ; snout blunt and short; 

 mouth moderate, the maxillary reaching past anterior edge of orbit ; ante- 

 rior nostril oblong, much larger than posterior; preorbital very narrow, 

 about J as wide as eye ; eye large, 3 in head ; preopercle strongly serrate 

 on angle, the serrse gradually becoming weaker on both limbs ; gill rakers 

 weak, about 7 below angle, besides rudiments. Dorsal fin high, the fifth 

 spine longest, the last spine slightly longer than the preceding one and 

 about | as long as the first ray; anal fin lower than soft dorsal, the second 

 spine longer and stronger than third ; pectorals short; caudal subtruncate. 

 Scales small, not parallel with lateral line, arranged obliquely above and 

 horizontally below, largest below the lateral line; vertical fins scaleless; 

 scapular scale very evident, about three times as long as broad ; lateral 

 line not following outline of back, wavy below the soft dorsal. Color in 

 spirits uniform golden, with numerous longitudinal stripes of a brighter 



