31. CYPRINID^E MINNILUS. 189 



middle of the eye, the maxillary reaching the front of orbit. K.ve very 

 large, longer than snout, 3i 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 

 bar about half way up, reddish in 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. coccogenis, milky at tip ; back and sides with 

 gilt lines, as in M. cornutits, 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 

 Cliola eurystoma, from the same waters, that the two species have been 

 confounded. Head 3f ; depth 3. Scales 7-40-3 5 teeth 2, 4-4, 2, with 

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

 Chattahoochee River, the typical examples from Suwaunee Creek. 



(Codoma eurystoma Jordan & Brayton, Bull. U. S. Nat. Mus. xii, 42, 1878, excl. syn. 

 (not Photogenis eurystomus Jordan): Luxilus zoniatius Jordan, Proc. U. S. Nat. Mus. 

 1879,239.) 



ttt Species of small size, with the scales not much deeper than long, less closely im- 

 bricated; body oblong or elongate, little elevated ; month moderate, oblique 

 or horizontal ; dorsal iiu inserted close behind veiitrals ; nuptial colors com- 

 monly brilliant. (Albuniops Grd.*) 



264. M. roseus 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 muzzle, a little less 

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

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

 broad plumbeous lateral band ; lips black ; a dark caudal spot; a dark 

 vertebral line ; anal region dusted with dark points; cheeks and belly 

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

 red ; iris, top of head, and tip of snout red. Head 3| ; depth 4. Scales 

 5-38-5 ; teeth 2, 4-4, 2. L. 2i inches. Xotalbany River, Louisiana. 



(Luxilus roseus Jordan, Bull. U. S. Nat. Mus. x, Gl, 1877.) 



2{i5. M. rubs'icroceass (Cope) J. & G.Red 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, 3^ in head, prernsixillary 



* Girard, Proc. Acad. Nat. Sci. Phila. 1856, 194: type Alburnops Wennius Grd. (Al- 

 ~burnus; uty, appearance.) (= Hydroyh lox Jor. ) 



