574 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



second iiot large; caudal (in emarginate. Gill-membranes slightly con- 

 nected; gill-rakers slender. (/;??, smooth; rtr^a, mouth the mouth 

 having been originally described as toothless.) 



90'2. Li. xaiitlatirus Lac. Spot; Goody ; Oldwife; La Fai/<tt, . 



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 plain olivaceous ; caudal not 

 yellow. Profile steep ; snout blunt and gibbous; interorbital 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. I). X, I, 32; A. II, 12; Lat, 1. GO. L. 12 inches. Cape 

 Cod to Florida ; a valuable food-fish southward. 



(Lacrpi-dc. iv. l:".i; Gill, Proc. Acad. Nat. Sci. Phila. 1833,32: Homoprion xanthnrus 

 Holbrook, Ich. S. C. 18GO, Io4 : Sciaina xanthnrits Giinther, ii, '288: Mut/il obliquus 

 Mitchill, Trans. Lit. and 1'hil. Soc. N. Y. i, 40."> : Lioxtomus obliquit* Holbrook, Icb. 

 S. C. IriGO, KiU: .Vu'a'Hrt obliqtia Giiuther, ii, vJ>'^: Lciostomns humcralle and ranthurua 

 C. &, V. 141, 14'J. The alleged species "obUquus" and ft xant)nintn" dilVcr in color, 

 "j-iiiillniriix" lirin^ plain golden, without spots or bars; tail yellow ; probably based 

 Oil laded museum specimens.) 







298.-GENYONEJIUS Gill. 



(Gill, Proc. Acad. Nat. S;-i. Phila. 1831, 87: type Lioslomwt lincntiis Ayres.) 



Body elongate, moderately compressed, the back little elevated. 

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

 with a crenulated nienibranaceous edge. Mouth rather 

 , siihterminal, somewhat oblique. Lower jaw with several very 

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

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

 l.'l spines; anal with 1* spines, the second short and feeble; caudal 

 emai -iuate. IMiaryngeal bones and teeth as in Micropot/on. Air-bladder 

 simple. (Jill-rakers slender, rather long. Size small. (??''"$, lower 

 ja\v; 'i l ;><i.* barbel.) 



OO3. G. Inn :ilci > (Ayrcs) (\\\\.IMtk Ron<;t,l<: 



Silvei.v \\itli brasss lustre and black punctidations, these forming 

 faint oblique dark lines ;dong the rows of scales; lins vello\\ ish ; axil 

 black. Head conic, rather llunt; maxillary reaching silghtly beyond 

 middle of pupil. I'.arbels ."-.s, 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. D. XIII, I, 22; A. II, 11; Lat. 1. 55. 



