574 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
second not large; caudal fin einarginate. Gill-membranes slightly con- 
nected; gill-rakers slender. (Asro?, smooth; arurxa, mouth — the mouth 
having been originally described as toothless.) 
902. Li. xaiithiiriis Lac. — S^mt; Goody; Oldivife; La Fayette. 
Bluish above, grayish silv^ery below ; sides with about 15 dark bands, 
extending from the dorsal obliquely forward to below the lateral line; 
a distinct round dark humeral spot; fins plain olivaceous ; caudal not 
yellow. Profile steep ; snout blunt and gibbous ; iuterorbital region 
narrow. Fins small, the spines weak; second anal spine about half 
as long as the longest soft ray; upper lobe of caudal longest. Head 
3i ; depth 3. D. X, I, 32 ; A. II, 12 ; Lat. 1. GO. L. 12 inches. Cape 
Cod to Florida ; a valuable food-fish southward. 
(Lacdpede, iv, 439 ; Gill, Proc. Acad. Nat. Sci. Pliila. 1833, 32: Hotnoprion xanthuras 
Holbrook, Icli. S. C. 1860, 164: Sciwna xantharus Giiutlier, ii, 288: Muyil ohliquus 
Mitcbill, Trans. Lit. and Phil. Soc. N. Y. i, 405: Hostomus ohliquus Holbrook, Ich. 
S. C. 1860, 160: Sciama ohliqua Giiutlier, ii, 288: Leiostomus humeralis and xaiifhurus 
C. &, V. 141, 142. The alleged species “ohliquus’’^ and “xanthurus" differ in color, 
“xanthurus” being plain golden, without spots or bars; tail yellow; probably based 
on faded museum specimens.) 
298.-ClEl\YOI\EMUS Gill. 
(Gill, Proc. Acad. Nat. Sci. Phila. 1831, 87: type Liostonius Uneatus Ayres.) 
Body elongate, moderately compressed, the back little elevated. 
Head oblong, the snout abruptly decurved. Eyes moderate, anterior. 
Preopercle with a creuulated membranaceous edge. Mouth rather 
large, subtermiual, somewhat oblique. Lower jaw with several very 
small barbels and with a few large pores. Teeth equal, in villiform 
bauds, the anterior series scarcely enlarged. First dorsal with about 
13 spines; anal with 2 spines, the second short and feeble; caudal 
emargiuate. Pharyngeal bones and teeth as in Micropogon. Air-bladder 
simple. Gill-rakers slender, rather long. Size small. lower 
jaw; barbel.) 
903, O. liaieateis (Ayres) Gill. — Little Roncador. 
Silvery with brassy lustre and black punctulations, these forming 
faint oblique dark lines along the rows of scales ; fins yellowish ; axil 
black. Head conic, rather blunt; maxillary reaching silghtly beyond 
middle of pupil. Barbels 5-8, minute, on the inner edge of each dentary 
bone. Anal spines very small, the second not half the height of the 
soft rays; pectorals and veutrals moderate, not reaching vent; caudal 
concave. Head 3^; depth 3^. D. XIII, I, 22; A. II, 11; Lat. 1. 55. 
