31. CyPRINID^ MINNILUS. 
189 
middle of the eye, the maxillary reaching the front of orbit. Piye very 
large, longer than snout, 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 ; around black spot nearly as large as the 
eye at the base of the caudal j anal fin plain ; caudal fin dull ferruginous 
red, pale at base as in 21. coccogenis, milky at tii) ; back and sides with 
gilt lines, as in 21. cornutus, the former becoming dark after death ; a 
faint red bar down the cheeks as in 21. coccogenis ; a dark humeral bar; 
males with the snout tuberculate; females plain, so much resembling 
CUohi eurystoma, from the same waters, that the two species have been 
confounded. Head 3|-; depth 3§. Scales 7-40-3; teeth 2, 4-4, 2, with 
very narrow grinding surface on one or two of them. L. 4 inches. 
Chattahoochee Elver, the typical examples from Suwannee Creek. 
(Codoma eurijstoma Jordan & Brayton, Bull. U. S. Nat. Mus. xii, 42, 1878, excl. syn. 
{not Fhotogenis eurystomiis Jordan); Luxilus zotiistius 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; mouth moderate, oblique 
or horizontal; dorsal hii inserted close behind ventrals; nuptial colors com- 
monly brilliant. (Alhurnoj)^ Grd.*) 
264. ITI. rosews 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. liead 3| ; depth 4i. Scales 
5-3S-5 ; teeth 2, 4-4, 2. L. 24 inches. ISTotalbany Eiver, Louisiana. 
{Luxilus roseus Jordan, Bull. U. S. Nat. Mus. x, 01, 1877.) 
20 5. jtl. I’uIJi’icroceBSS (Cope) J. & G. — Fell Fall-fish. 
Body moderately elongate, somewhat compressed. Head coraiiara- 
tively long and rather i)ointed. Mouth rather large, oblique, the jaws 
about equal. Eye large, as long as snout, 3.4 in head, in’emaxillar}' 
* Girard, Proc. Acad. Nat. Sci. Phila. 1856, 194: type Alburnops ilennius Gvd. (Al- 
lurnus/ aiipearauce.) {— IIyclroj)hlox J or.) 
