8o VERTEBRATE ANIMALS OF THE UNITED STATES 



L. 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 hn 10; scales 8-45-4: basin of the Tennessee and 

 Alabama Rivers; common in sandy streams. 



L. roseipinnis (Hay). Length 85 mm.; head 4.5; depth 4; color 

 dark, the scales above having dark dots; a dark lateral band; vertical 

 fins red; rays of anal fin 11; scales 8-45-3; body slender, compressed; a 

 black spot on the dorsal and anal fins: tributaries of the Gulf from 

 Mississippi to Florida. 



L. umbratilis (Gir.). 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 fins brick red and 

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

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

 peduncle long: western New York to Minnesota; southward to Ala- 

 bama and Kansas; common in small clear streams. 



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

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



L. cyanocephalus (Copeland). Dorsal fin with 8 rays; anal 11 to 13; 

 scales 9-50-3 ; top of head blue : Minnesota to Ohio river basin ; common. 



L. 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. 



40. Ericymba Cope. Body elongate; teeth i, 4-4, o, hooked; scales 

 large; dorsal fin above ventrals; eyes very large; dentaries, interopercles 

 and suborbitals broad and with conspicuous mucous channels: i species. 



E. huccata Cope. Length 100 mm. ; head 4 ; depth 5 ; color olivaceous, 

 with silvery sides; rays of dorsal and anal fins 8; scales 5-33-3; breast 

 naked: western Pennsylvania and Michigan to western Florida and 

 Kansas; locally very common. 



41. Phenacobius Cope. Sucker-mouths. Body elongate; teeth 

 4-4; hooked; mouth small, ventral, each side of the lower lip enlarged 

 into a fleshy lobe ; rays of dorsal fin 8 ; anal 7 ; isthmus very broad ; size 

 small: 4 species, which look Hke young suckers. 



P. teretulus Cope. Length 85 mm.; head 4.6; depth 4.5; color pale 

 yellowish, the scales above dark-edged; snout blackish; a plumbeous 

 lateral band; scales 6-43-5: Kanawha River, West Virginia; not 

 common. 



P. mirahilis (Girard). (Fig. 37). Length 85 mm.; head 4.3; depth 

 4.6; color olivaceous, with a silvery lateral band and a conspicuous 

 black spot at the base of the tail fin; scales 6-43 to 51-5 : Illinois River to 



