294 FISHES. 



3. L. coccogenis, (Cope) Jordan. RED-CHEEKED 



SHINER. Steel blue, sides silvery; dorsal, caudal, and 

 pectorals red in the male; adults of both sexes with the 

 upper jaw, base of dorsal and a vertical streak down the 

 cheeks, bright orange red, the latter mark appearing 

 like a brand; dorsal and caudal with a broad dusky bar; 

 slimmer than cornutus ; depth 4^- in length, about equal 

 to length of head; mouth very oblique, the lower jaw 

 projecting (excepting in tuberculate males); D. I, 8; A. 

 I, 9; lat. 1. 42.. Tributaries of the Tennessee R., abund- 

 ant; a beautiful and very distinct species. 



Iff Dorsal behind ventrals; mouth small; scales little 

 imbricated. 



4. L. lacertosus, Cope. A large dull-colored species 

 with broad, deep head, 4 in length, and large scales; 

 mouth wide; eye large; silvery, dusky above. Tennessee 

 River. 



5. L plumbeolus, Cope. Body compressed, elongate; 

 lower jaw projecting; color uniform silvery; A. 1, 9; lat. 

 1. 39; teeth 2, 4. Great Lakes. 



6. L chalybasus, Cope. PIGMY MIXNOW. Muzzle 

 flat; head 4 in length; caudal peduncle abruptly slender, 

 lateral band very distinct, shining black; A. I, 8; lat. 1. 

 3G. Perm., N. J.; one of the smallest of the Cyprimdcv; 

 length 1| inches; (resembles Hemitremia bifrenafa.) The 

 males in the spring are brilliantly colored, the lower parts 

 being largely orange. 



7. L. rubricroceus, Cope. CKIMSOX FALL FISH. A 

 ; mall, rather deep-bodied species having somewhat the 



