184 CONTEIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
jj. Anal fin long, of 10 or 11 rays; fins high. 
C. xsciiura Jordan. 
Body moderately elougate, subfiisiforra, lieavy forwards. Head heavy, 
somewhat elongate, rounded above. Mouth large, oblique, the lower 
jaw included, maxillary reaching almost to orbit, premaxillary on level 
of upper part of iiupil. Eye large, 3f in head. Fins all rather low, the 
height of the dorsal fin, even in the males, only two-thirds the length of 
head ; caudal fin large. Color dark steel-blue ; silvery below ; a faint 
black spot at base of caudal; scales above dark-edged. Males with 
the fins mostly bright crimson ; the dorsal largely black at its upi)er 
posterior part ; dorsal, anal, and caudal fins with white pigment ; belly 
and bases of the lower fins likewise pigmented ; head and caudal pe- 
duncle tuberculate in spring. Head 4; depth 3f. D. 8; A. 10; scales 
6-39-3 ; teeth 1, 4-4, 1. L. 3 inches. Altamaha Basin, Georgia ; locally 
abundant. 
(Minnilus xamurus Jordan, Proc. Acad. Nat. Sci. Pliila. 1877, 79: Codoma xcenura 
Jordan, Bull. U. S. Nat. Mus. xii, 52.) 
25§. C. pyri'hoiaaeBas (Cope) J. & G. 
Body deep and compressed. Head stout, rather blunt. Mouth ob- 
lique, the jaws about equal, maxillary reaching front of orbit. Eye 
large, 3-| in head. Pectorals barely reaching ventrals, the latter to 
anal; dorsal fin greatly elevated, its height in the male as great as 
length of head ; caudal very broad and long, its peduncle stout and com- 
pressed ; anal fin large and long. Coloration of the males dark steel- 
blue above; the scales darker edged; the belly abruptly milky white; 
head pale reddish ; snout, tip of lower jaw, and iris scarlet; dorsal dusky 
at base, the usual large black blotch above, red in front, and broadly 
milk-white at tip ; tips of the caudal milk-white, next to this a dusky 
crescent, a wide crescent of bright scarlet inside of the black, extend- 
ing into the two lobes of the fin ; base of caudal pale ; anterior region 
and sides of caudal imduucle with rather large tubercles. Females 
duller. Head 4; depth 3|. D. 8; A. 10; scales G-35-3 ; teeth 1, 4-4, 1. 
L. 3^ inches. Santee Basin ; very abundant. The most ornate of our 
Vyprinidcc. 
{rhoiofjenis pyrrhomelas Cope, Proc. Amer. Phil. Soc. Phila. 1870, 463: Codoma pyr- 
rhomelas Jordan Braytou, Bull. U. S. Nat. Mus. xii, 22, 1878.) 
259. C. Hiypseloptera. (Giinther) J. &. G. 
Body short, much compressed, the back elevated. Head short, flat- 
tened above, the muzzle i)ointed. Mouth large, very oblique, the jaws 
