74 PROCEEDINGS OF UNITED STATES NATIONAP ^VTUSEUM. 



dible, but forming a double row in tbe intermaxillaries. Front teeth 

 largest in both jaws. The outer row in the intermaxillaries much larger 

 than the inner, which is formed of very small teeth ; but most of the 

 outer row smaller than those of the mandible. The teeth on the colored 

 side of the upi^er jaw are most numerous and smallest. Upper pharyn- 

 geals each with two irregular rows of teeth, the hinder largest, conical, 

 sharp, recurved. Lower pharyngeals each with a single row of similar 

 teeth. Eyes rather large, lateral, equal in front. Interorbital space 

 rather narrow, equal in adults to about one-third of the loDgitudinal 

 diameter of the eye. Gill-rakers long and slender, those of the first 

 branchial arch about equal in length to the width of the interorbital 

 space. Pectoral of the colored side scarcely \ of the total length, or 

 slightly more than half the length of the head, inserted level with the 

 loAver eye, and consisting of 13 rays, the first two simple, the others oisce 

 or twice bifurcate ; the third ray longest, lower rays diminishing reg- 

 ularly. Pectoral of the blind side equal in width to that of colored side, 

 but only about § as long. Dorsal commencing on the dorsal ridge 

 immediately over the anterior margin of the pupil, all the rays simple, 

 except the two or three last, which (at least in most examples) are once 

 bifurcate 5 the rays from the 37th to the 50th highest. Anal preceded 

 by a horizontal spine, the first ray immediately behind a vertical from the 

 posterior axil of the pectoral ; all its rays simple, the three last excepted, 

 coterminous with the dorsal, rays from 30th to 40th highest. Posteiior 

 margin of caudal entire, slightly convex, rays twice or thrice bifurcate. 

 In large individuals, both the central and the outer rays are slightly 

 produced, the central most. Veutrals small, inserted in advance of the 

 pectorals, the distance between the posterior axil of the former and the 

 anterior axil of the latter less than half the width of the pectoral base ; 

 their tips extending backwards beyond the anus nearly to the anal 

 spine; the first two rays simple, the others once or twice bifurcate. 

 Lateral line without abrupt arch, curving gently doAvnwards from its 

 origin to the median line of the side of the body, which it reaches at a 

 vertical from the tip of the pectoral ; thence straight to the end of the 

 caudal. Number of scales in lateral line about 96 in a specimen 0| in. 

 long. No accessoiy lateral line, but a roAV of pores across cheek and 

 round the lower eye. Scales of colored side longer than wide, rather 

 small, distinctly ciliate on their posterior margins, somewhat deciduous; 

 uniform over the whole of the body opercles and checks, and continued 

 forwards on the interorbital space to the anterior margin of the eye. 

 Jaws and snout scaleless ; scales of blind side not ciliated. A row of 

 small ciliated scales along each ray of the dorsal and anal on the colored 

 side, extending almost or quite to the tips of the rays ; none on the first 

 four dorsal rays ; caudal with small scales on colored side ; color almost 

 uniform gray. Each scale has two transverse bands of black points, 

 divided by a spotless bght-colored band; the ciliated tip is also light, 

 with a few black points. Fins nearly the same tint as the body, the 



