84 VERTEBRATE ANIMALS OF THE UNITED STATES 



large, oblique: head waters of the Cumberland and Tennessee Rivers; 

 also in the Ozark region; common. 



N. metallicus J. & M. Length 45 mm.; head 4; depth 5; color dark 

 brown, with a rosy band from the eye to the upper lobe of the tail, below 

 which is a metallic dusky band ending in a broad black spot at the 

 base of the tail fin; rays of anal fin 1 1 ; scales 5-35-3 : swamps and streams 

 in southern Georgia and northern Florida. 



N. lirus Jord. Length 60 mm.; head 4.3; depth 5.25; color pale 

 green; sides with a metallic blue band formed of dark dots; fins red in 

 males; rays of anal fin 10; scales 8-45-4: basin of the Tennessee and 

 Alabama Rivers; common in sandy streams. 



TV. roseipinnis (Hay). Length 85 mm.;head 4.5;depth 4;colordark, 

 the scales above having dark dots; a dark lateral band; vertical fins red; 

 rays of anal fin 1 1 ; scales 8-45-3 ! body slender, compressed; a black spot 

 on the dorsal and anal fins: tributaries of the Gulf from Mississippi 

 to Florida. 



N. umbratilis {Giv.). Redfin. Length 75 mm.; head 4.25; depth 4 

 to 4.5 ; color steel blue above; pale beneath; a dark spot at the base of the 

 dorsal fin; male in the spring with belly and lower lins brick red and 

 with white tubercles covering the anterior portion of the body; rays of 

 dorsal fin 7; anal fin 11; scales 9-40 to 52-3; body stout, compressed; 

 caudal peduncle long: western New York to Minnesota; southward to 

 Alabama and Kansas; common in small clear streams. 



Subspecies of N. umbratilis 



N. u. umbratilis (Gir.). Dorsal fin with 8 rays; scales 40 to 44: 

 Arkansas, Kansas and southwestern Iowa. 



N. u. atripes (Jord.). Blackfin. Dorsal and anal fins each with a 

 black bar across its upper part: southern Illinois and Iowa. 



N. u. lytlirurus (Jord.). Scales in lateral line 47: basin of the Ohio 

 River. 



N. u. cyanocephalus (Copeland). Dorsal fin with 8 rays; anal 12; 

 scales 9-46-4; top of head blue: southern Wisconsin. 



TV. u. ardens (Cope). Fins bright red: Roanoke River. 



N. u. matutinus (Cope). Rays of dorsal fin 8; scales 7-44-3; colors 

 pale; body slender; males with snout, chin and upper half of dorsal fin 

 red; a dark caudal spot: Neuse and Pimlico Rivers; common. 



N. u. punctulatus (Hay). Rays of dorsal fin 8; anal 10 or 11 ; scales 

 1 1-49-3; body straw-color; length 50 mm.: northern Mississippi. 



N. u. fasciolaris Gilbert. Males with 5 to 8 dark blue vertical bars: 

 basin of the southern bend of the Tennessee River; common. 



