574 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



second not large; caudal fin emarginate. Gill-membranes slightly con- 

 nected; gill-rakers slender. (A=:r»<r, smooth; ffro/za, mouth — the mouth 

 having been originally described as toothless.) 



902. Li. xantluirus Lac. — Sijot; Goody; Olchvife; La Fayette. 



Bluish above, grayish silvery 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 i^lain olivaceous ; caudal not 



yellow. Profile steep ; snout blunt and gibbous; in terorbital region 



narrow. Fins small, the si:)ines weak; second anal spine about half 



as long as tlie longest soft ray; upper lobe of caudal longest. Head 



3^ ; depth 3. D. X, I, 32 ; A. II, 12 ; Lat. 1. 60. L. 12 inches. Cape 



Cod to Florida ; a valuable food-fish southward. 



(Lac6pe(le, iv, 4:?9; Gill, Proc. Acad. Nat. Sci. Pliila. 1853, 32: Hotnoprion xanthnrns 

 Holbrook, Icb. S. C. 1860, 184: Scicena xanthurus Gunther, ii, 288: Mugil obliquus 

 Mitcliill, Trans. Lit. and Phil. Soc. N. Y. 1, 405: Liosiomus ohliqmis Holbrook, Icb. 

 S. C. 1860, 160: Scmna ohJiqua Giiutlier, ii, 288: Leiostomus humeraUs and xanthurus 

 C. &- V. 141, 142. The alleged species "obliquus" and "xanthurus" differ in color, 

 "xanthurus" being j)lain golden, without spots or bars; tail yellow; probably based 

 on faded museum sijecimens.) 



29§.-<aEWYOWE]TIUS Gill. 

 (Gill, Proc. Acad. Nat. Sci. Pbila. 1831, 87: type Liosiomus Uneatus Ayres.) 



Body elongate, moderately compressed, the back little elevated. 

 Head oblong, the snout abruptly decurved. Eyes moderate, anterior. 

 Preopercle with a crenulated membranaceous edge. Mouth rather 

 large, subterminal, somewhat oblique. Lower jaw with several very 

 small barbeU and with a few large pores. Teeth equal, in villiform 

 bands, the anterior series scarcely enlarged. First dorsal with about 

 13 spines; anal with 2 spines, the second short and feeble; caudal 

 emarginate. Pharyngeal bones and teeth as in Micropogon. Air-bladder 

 simple. Gill-rakers slender, rather long. Size small, {yewq^ lower 

 jaw; v^,aa, barbel.) 



903. O. lineatais (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 ventrals moderate, not reaching vent; caudal 

 concave. Head 3^; depth 3 J. D. XIII, I, 22; A. II, 11; Lat. 1. 55. 



