216 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Scales above lateral line forming oblique series which are not through- 

 out parallel with the lateral line. Teeth on vomer in an anchor-shaped 

 patch, prolonged backward on the median line ; outer pair of canines of 

 upper jaw very strong; inner small; canines of lower jaw not much de- 

 veloped; maxillary reaching front of eye, 2^ in head; preopercle little 

 notched ; band of scales on each side of occiput single, composed of 

 about two series; 5 or 6 rows of scales on cheek; posterior nostrils 

 ovate, pointed behind ; gill-rakers stoutish, not very long ; pectoral short, 

 ]X)inted, § length of head ; second and third anal spines subequal, short- 

 ish, the soft rays rather low. Caudal lunate, the upper lobe slightly 

 longest. 



74. Diabasis fornicsus (L.) J. A- G.—Ued-moiith (jruni. P. 

 {nanudon arciialnm Holbr. Icbtli. S. C. 1-24, pi. xvii, f. 2.) 



A single large specimen obtained at Pensacola. 



Body and fins dull gray; the middle of each scale paler; second dor- 

 sal, caudal, and tips of ventrals of a dusky slate-color ; front of head 

 with narrow stripes of steel-blue alternating with bronze, these stripes 

 covering maxillary, preorbital, suborbital, whole naked part of snout 

 above cheeks, and temporal region behind eye; the bands are faint or 

 obsolete on opercle; a dark, vertical blotch on oi)ercle, near angle of 

 preopercle, mostly hidden by the latter; mouth orange within, the 

 color fading anteriorly. 



75. Diabasis aurolineatus (C. A: V.) J. & G. P. (30869.) 



HamnJon auroVtncal iim C. & V. v, 237. 



HamuJon aurolineatum Gtlir. i, 31(5. 



Hamulon caudimacula Poey, Syii. Pise. Cub. 319 (not of C. & V.). 



Color light olivaceous, grayish-silvery below; a dark-bronze band, 

 narrower than pupil, darkest in the younger specimen, from snout 

 through eye straight to base of caudal; above this, two or three dark 

 streaks, the middle one most distinct, from eye to above gill-opening ; 

 another beginning on top of snout on each side, passing above eye, and 

 extending parallel with the iirst-mentioned stripe straight to last ray 

 of dorsal, where it meets its fellow of the opposite side; a dark streak 

 from tip of snout along median line to front of dorsal ; a large, rounded 

 black blotch at base of the caudal, some obscure dusky shading below 

 soft dorsal and at baseof i)ectoral; fins all plain; upper shghtly dusky ; 

 anal nearly white; pectorals, caudal, and ventrals light yellow; lining 

 of opercle pale orange ; inside of mouth scarlet. In the large speci- 

 men the dark stripes are fainter, paler, and more yellowish ; several 

 tainter bands occur between the broader ones, and faint oblique streaks 

 of light bronze follow tlie lovrs of scales, those above lateral line 

 oblique. 



Head 3 (3f ) ; depth 2^ (33). D. XIII, 15 ; A. Ill, 8. 



Scales 7-52-13. Length of largest specimen 5 inches. 



