188 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
Var. cymieiis Cope. 
Scales of the dorsal and ventral regions very small, 31-40 in front of 
the dorsal fin. Scales 10-40-4. Coloration extremely dark; blue-black 
above ; fins chiefly black. Lake Superior. 
(Hi/psilepis cornutiis cyaneus Cope, Proc. Acad. Nat. Sci. PbLla. 1867, 160.) 
261. M. seicne Jordan. 
Body elongate, compressed. Head short and stout, rounded above. 
IVIonth terminal, oblique, the lower jaw included. Muzzle blunt and 
% 
short. Eye very large, 3 in head, wider than snout and than interor- 
bital solace. Dorsal fin very high. Lateral line little decurved. Bright 
steel-blue above, with a very distinct silvery baud overlying a plum- 
beous shade ; a dark spot at base of caudal ; a dark vertebral line ; 
cheeks, belly, and iris white ; fins plain, probably red in spring. Head 
44 ; depth 4^. Scales 4-40-3 ; teeth 2, 4-4, 2. Lake Superior. 
{Luxilus Selene Jordan, Bull. U. S. Nat. Mus. x, 60, 1877.) 
ft Species of moderate size, witb the scales short and deep, but less closely imbricated 
than in the preceding ; body elongate, not much elevated ; mouth large, 
oblique, the lower jaw projecting; dorsal fin inserted behind ventrals. 
262. ]^I. COCCOgeaiis (Cope) Jordan. — Hed-elieelced Sinner. 
Body elongate, compressed, not at all elevated. Head straight and 
rather iiointed. Mouth large, very oblique, the premaxillary nearly on 
a level with the puinl, lower jaw projecting beyond uiiper, maxillary 
reaching past front of eye. Eye very large, 34 in head. About 20 scales 
in front of the dorsal fin. Back olivaceous; the scales dark-edged; 
belly and sides silvery, rosy in spring males ; a dusky scapular baud ; 
a scarlet bar like a brand down the line of the preopercle ; muzzle and 
upper lip red ; a red axillary spot ; outer half of dorsal black, lower half 
yellowish ; outer part of caudal dusky, base paler ; a faint lateral streak 
and a dark vertebral line; lower fins white; snout swollen and tnbercu- 
late in spring males; females silvery, with only traces of red markings. 
Head 4; depth 4^. Scales 7-42-3; teeth 2, 4-4, 2. L. 5 inches. Cum- 
berland to Savannah Eivers ; abundant in the mountain streams. 
{Hypsilepis coccogenis Qope, Proc. Acad. Nat. Sci. Pliila. 1867, 160 : Leuciscus coccogcnis 
Guuther, vii, 253.) 
263. M. zonistius Jordan. 
Body rather stout, compressed, the back somewhat elevated, the 
form that of a young Minnilus cornutus. Head heavy, broad and flattish 
above, the profile evenly descending. Mouth large, but smaller than 
in coccogenis, oblique, the jaws about equal, the upper lip opposite the 
