134 VERTEBRATE ANIMALS OF THE UNITED STATES 



E. cinereum Storer. Body slender; length loo mm.; head 3.5; 

 depth 5.5; color light yellow, with 4 dark cross bars on the back and a 

 series of about 12 dark spots along the lateral line; rays of dorsal fins 

 XI or XII- 1 1 to 13; anal II, 8; scales 8-57 to 60-9; opercles scaly; cheeks, 

 breast and nape naked: Tennessee and Cumberland Rivers; rare. 



E. rufilineatum (Cope). Body stout; length 75 mm.; head 4; depth 

 4.5 to 5; color green, with narrow longitudinal stripes and quadrate red 

 spots on the sides; breast blue; opercles scaly; cheeks, nape and breast 

 naked; fins variegated, all bordered with scarlet; rays of dorsal fins X 

 to XII- II to 13; anal II, 8 or 9; scales 6-45 to 48-7: upper tributaries of 

 the Tennessee, Cumberland and Green Rivers; very common. 



E. jordani Gilbert. Similar to E. rufilineatum; color olivaceous, 

 with 8 black cross bars on the back and 9 or 10 irregular blotches on the 

 side; nape and opercles scaly; cheeks and breast naked; shoulder with 

 an enlarged black scale: tributaries of the Coosa River, Alabama; 

 common. 



E. iowce Jordan & Meek. Length 50 mm.; body slender;head 3.8; 

 depth 4 to 5.5; color light green, blotches with darker; sides with 10 

 or II large brown spots alternating with black ones; cheeks, opercles 

 and nape scaly; top of head and breast naked; rays of dorsal fins VII 

 to X-io or 11; anal II, 6 to 8; scales 5-55 to 63-11: Michigan, Iowa and 

 Nebraska, and northward into Canada; common. 



E. jessicB (J. & B.). Length 45 mm.; head 4; depth 4.75; cheeks and 

 opercles scaly; color brownish, with a light lateral band, above and 

 below which are light spots; rays of dorsal fins X to XII-12 to 14; anal 

 11,7 to 9; scales 6-47 to 55-8: Indiana to Iowa; southward to Mississippi 

 and Texas; common. 



E.luteovinctum Gilbert & Swain. Body compressed; length 50mm.; 

 head 3.6; depth 4.5 to 5; color light olive, with 7 cross bars; sides with 9 

 greenish blotches alternating with yellowish bands; cheeks and opercles 

 scaly; rays of dorsal fins IX or X-13; anal II, 7 or 8; scales 6-49 to 55-11 ; 

 tail very slender: Stone River, Tennessee; rare. 



E. c(eruleum Storer. Rainbow darter. Body stout; length 60 mm.; 

 head 3.75; depth 4.25; color olivaceous, blotched with darker; sides 

 with about 12 oblique blue bars with orange between; cheeks blue; 

 breast and throat orange; fins mostly orange and blue; rays of dorsal 

 fins IX to XII-12 to 14; anal 11,7 or 8; scales 5-37 to 50-10; neck and 

 breast naked : valleys of the Mississippi and Great Lakes and south- 

 westward to Texas; very common in small streams. 



E. punctulatum (Agassiz). Body slender; length 50 mm.; head t^.t,] 

 depth 5.75; color dark green, with indistinct darker bars; head punctu- 



