CYPRINLD^E. cvni. 293 



7. LUXILU5, Rafinesque. SHINERS. 



( =-Hypsilepis, Baird.) 

 (=Plargyrus, Girard.) 



*Teeth 2, 4 4, 2 ; fins with red pigment, but no white. (Luxilus.) 

 f Dorsal over ventrals ; body deep, with very high scales. 



1. L. cornutus, (Mitch.) Jordan. COMMON SHINER. 

 RED-FINNED SHINER. ROUGH-HEAD. RED-FIN. Adult 

 deep steel blue or olivaceous above, with golden verte- 

 bral and lateral bands, very conspicuous in life; sides 

 silvery, rosy in males in spring; fins plain olivaceous or 

 somewhat dusky, becoming crimson in spring; young 

 olivaceous and silvery, not closely resembling the adult; 

 depth 3 to 5 in length, greater than length of head in 

 adults; head large; mouth moderately oblique, the 

 lower jaw not projecting; lateral line much decurved; 

 D. I, 8; A. I, 9; lat. 1. 40 to 45; L. 6. U. S. from Maine 

 to the Rocky Mountains, everywhere abundant, and 

 extremely variable. The adults may be known at once 

 by the high and narrow exposed surfaces of the scales; 

 the young often need close attention. (Plargyrus typi- 

 cus, Grd.; L. chrysocephalus, Raf.; L. diplemius and 

 plargyrus, Kirt. ; Leuciscus frontalis, Ag., a stout variety 

 from the Great Lakes.) 



2. L. selene, Jor. SILVER SHINER. Smaller and 

 much more elongate, deptfi 4 in length; head short and 

 stout, about the same ; eye 3 in head, very large ; lateral 

 line little decurved; scales large, much less narrowed 

 than in L. cornutus ; dorsal high; D. I, 8; A. I, 7; lat. 1. 

 40; bluish above; sides silvery. Lake Superior. 



f Dorsal distinctly behind ventrals; body elongate; lower jaw 

 longest. 



