FISHES 77 



dark steel blue above, silvery on the sides and belly; forward part of 

 body tuberculate and lower fins and belly of males salmon pink in spring; 

 a dark shade behind the shoulder; rays of anal fin 9; scales 6-37 to 40-3; 

 body short, compressed; lateral line decurved: entire region east of the 

 Rockies except the Atlantic coast region south of the Neuse River and 

 Texas; very common in small streams; very variable. 



L. cerasinus (Cope). Shiner. Length 100 mm.; scales 6-37-3; 

 sides marked with irregular cross bars, otherwise like L. cornutiis; 

 colors very brilliant; basin of the Roanoke, in mountain brooks. 



L. alheoliis Jord. Length 175 mm.; like L. cornutiis, but with paler 

 colors; scales 38: Roanoke, Tar and Neuse Rivers; not in mountain 

 streams. 



37. Hydrophlox Jordan & Brayton. Similar to Luxilus; size rather 

 small; anal fin mostly with 8 rays: 8 species. 



H. macdonaldi Jord. & Jen. Length 125 mm.; head 3.75; depth 

 4.75; teeth 2, 4-4, 2; color greenish; rays of anal fin 9 or 10; scales 

 7-42-2; mouth large, the lower jaw projecting: basin of the James and 

 Shenandoah Rivers; in mountain streams; common. 



H. coccogenis (Cope). Length 125 mm.; head 4; depth 4.25; color 

 olivaceous, males rosy in spring; a vertical scarlet bar on the preopercle; 

 lower jaw projecting; upper half of dorsal and caudal fins dark; scales 

 7-42-3: mountain streams from Kentucky to Georgia; common. 



H. zonatus (Agassiz). Length 125 mm.; head 4.25; depth 4.6; color 

 olivaceous, with a dark lateral line; male in spring with red belly and 

 sides; rays of anal fin 9; scales 6-39-4: mountain streams in Tennessee 

 and the Ozarks; common. 



H. ruhricroceus (Cope). Red fallfish. Length 100 mm.; head 4; 

 depth 4.5; color steel blue, with a dark lateral band; fin all red; head 

 pale red; in high coloration the whole body more or less red ; rays of anal 

 fin 9 ; scales 7-38-3 : head waters of the Tennessee and Savannah Rivers. 



H. cJdorocephalus (Cope). Length 60 mm.; head 4; depth 5; color 

 olivaceous, with black specks which form a lateral band ending in a 

 dusky spot at the base of the tail fin; upper part of the head metallic 

 green; belly in males red; scales 6-39-3: Santee basin; common in 

 mountain streams. 



H. chiliticus (Cope). Length 50 mm.; head 4; depth 5.5; color 

 olivaceous, with a silvery lateral band ; dorsal and anal fins each with a 

 vermilion band; a dark caudal spot; scales 7-36-2: basin of the Great 

 Pedee River; common in upland streams. 



H. altipinnis (Cope). Length 60 mm.; head 4.3; depth 3.5; color 

 greenish, with a silvery lateral band and a black band across the eye and 



