CYPRINID^. — CVIII. 295 



form of a Miniiilus; lower jaw rather longest; 19 rows 

 of scales in front of the dorsal; lat. 1. 38; coloration 

 most brilliant; clear greenish and silvery; males brown- 

 ish orange above; lateral band, chin and snout largely 

 vermilion; sides red or yellowish. Tennessee and 

 Savannah Rivers. x\bundant in the clear mountain 

 streams and below waterfalls. Several other similar 

 brilliantly colored species occur farther south. 



8. LYTHRURUS, Jordan. Red-Fins. 



1. L. cyanocephalus, Copeland. Blue-Headed Red- 

 Fin. Hoy's Red Fish. Body short, stout and deep, 

 the depth 4 in length; the axis of the body being half 

 nearer the ventral than the dorsal outline; head very 

 short and deep, 4^ in length; mouth large, very oblique; 

 D. I, 8; A. I, 12; lat. 1. 46. Head bright glaucous blue 

 in males in spring; sides and fins chiefly crimson, the 

 black dorsal spot conspicuous; teeth 2, 4 — 4, 2. South- 

 ern Wisconsin; near the next but much more chubby, 

 with somewhat the aspect of Pbnephales. 



2. L. diploemius, (Raf.) Jordan. Red-Fin. Bright 

 steel blue, with purplish shades, silvery below; a large 

 black spot on the anterior rays of dorsal in front; fins 

 otherwise unicolor, j^lain olivaceous in ?, brilliant brick 

 red in spring males; scales with more or less dark edg- 

 ing; nuptial tubercles minute, very numerous, w^hitish, 

 chiefly on the upper surface of head; body much com- 

 pressed; back elevated; head deep, rather obtuse; depth 

 3| in length; D. I, 9; A. I, 10; lat. 1.44; L. 3. Western 

 streams, generally abundant; an exceedingly brilliant 

 fish in the breeding season; known at all times by the 

 dorsal spot and compressed body, with large fins and 



