31. CYPRINID^ MINNILUS. 189 



middle of the eye, the maxillary reaching the frout of orbit. E\ a very 

 large, longer than snout, 3^ in head. Scales not very closely imbricated ; 

 17 scales in front of dorsal. Lateral line strongly decurved. Fins mod- 

 erate, pectorals scarcely reaching ventrals. Steel-blue above ; sides with 

 considerable coppery lustre ; dorsal fin with a sharp jet-black horizontal 

 b:ir about half way up, reddish iu young fishes, the tips of the fin some- 

 what milky, the base pale; a round black spot nearly as large as the 

 eye at the base of the caudal ; anal fin plain ; caudal fin dull ferruginous 

 red, pale at base as in M. coccogoiis, milky at tip ; back and sides with 

 gilt linos, as in M. cormitus^ the former becoming dark after death ; a 

 faint red bar down the cheeks as in M. coccogenis; a dark humeral bar; 

 males with the snout tuberculate ; females plain, so much resembling 

 CUola curystomaj from the same waters, that the two si)ecies have been 

 confounded. Head 3*-; depth Sf. Scales 7-40-3; teeth 2, 4-4, 2, with 

 very narrow grinding surface on one or two of them. L. 4 inches. 

 Chattahoochee Eiver, the tyi)ical examples fiom Suwannee Creek. 



{Codoma eurystoma Jordan & Brayton, Bull. U. S. Nat. Mus. xii, 4-i, 1876, excl. syn. 

 {not Photo{jenis curi/stonuis Jordan): Luxilus coHis/JHS Jordan, Proc. U. S. Nat. Mus. 

 1879,231).) 



Itt Si)ecies of small size, with the scales not much deeper than long, less closely im- 

 bricated; body oblong or elongate, little elevated ; mouth moderaie, oblique 

 or horizontal ; dorsal tin inserted close behind ventrals; nuptial colors com- 

 monly brilliant. (_AJbarno2)i Grd.*) 



261. in. rosciJS Jordan. 



Body short and stout, little compressed. Head rather short, thick, 

 bluntly rounded. Mouth moderate, slightly oblique, the jaws about 

 equal. Eye large, nearly 3 in head, about equal to mnzzle, a little less 

 than the broad interorbital space. Fifteen scales before dorsal fin ; dor- 

 sal fin high, directly over ventrals. Olivaceous; scales dark-edged ; a 

 broad i)lumbeous lateral band ; lips black ; a dark caudal spot ; a dark 

 vertebral line ; anal region dusted with dark i)oints ; cheeks and belly 

 silvery ; males with the dorsal, anal, caudal, and pectorals mostly rosy 

 red; iris, top of head, and tip of snout red. nead3|; depth 4^. Scales 

 5-38-5 ; teeth 2, 4-4, 2. L. 2^ inches. Notalbany Iviver, Louisiana. 



(LtixUus roneus Jordan, Bull. U. S. Nat. Mus. x, (11, 1877.) 



2<i5. m. riiB>i-icroccaBS (Cope) J. &. Q.—Eed Fall-fish. 



Body moderately elongate, somewhat compressed. Head compara- 

 tively long and rather pointed. Mouth rather large, oblique, the jaws 

 about equal. Eye large, as long as snout, 3J in head, premaxillary 



•Girard, Proc. Acad. Nat. Sci. Phila. 1856, 194: type Alburnops hlennius Grd. {AU 

 iurnus; wi^, appearance.) {= Ilydrophlox 5 or.) 



