PERCIDA. — LXIII. A353 
m. Cheeks naked, or very nearly so; opercles scaly. 
361. EB. coeruleum Storer. Rainsow Darter. So.prer- 
FISH. Body rather stout ; head large; mouth moderate, the lower 
jaw the shorter, the maxillary to front of orbit; neck and breast 
usually naked. @ olivaceous, blotched above with darker; sides 
with about 12 oblique bars of indigo-blue running downwards and 
backwards, the interspaces bright orange; cheeks blue; breast 
orange; fins chiefly orange and deep blue; 9? duller, with little blue 
or red, the vertical fins barred. Head 33; depth 44. D. X-12. 
A. Hf, 7. Scales 5-45-8; pores 33. Vert. 15+ 21=36. L. 21. 
W. Penn. to Iowa and Ky., extremely abundant; one of the gaudi- 
est of fishes. Var. spectabile Agassiz, Ind. to Kans., has distinct 
dark streaks along the rows of scales on back. (Lat., blue.) 
mm. Cheeks and opercles more or less scaly. 
362. BE. jessize (Jordan & Brayton). Body fusiform, rather stout, 
compressed, with rather deep caudal peduncle; head moderately 
pointed; mouth terminal, the lower jaw included; cheeks scaly or 
partly naked; brownish, with cross-bars or blotches of greenish; 
sides with dark blue quadrate cross-bars; fins speckled with golden. 
Head 4; depth 5. D. XIJ-12. A. II, 9. Scales 6-47-7, with 
tubes on 35 scales. Tenn. to Wabash Valley, (Evermann) Ills. 
and E. Texas. (To Mrs. Jessie Dewey Brayton.) 
363. E. iowe Jordan & Meek. Similar to preceding, but slen- 
derer and with notably smaller scales. Green, blotched with darker ; 
first D. shaded with red, its edge very dark. Head 38; depth 51. 
Pie.’ ALT 7... Seales. 5—59=9.. 1. 2: ‘S, lowa. 
364. EB. saxatile (Hay). Form of E. nigrum; snout slender 
and sharp, profile gently decurved ; mouth terminal ; lower jaw in- 
cluded ; body slender, the caudal peduncle also slender; gill mem- 
branes narrowly united ; P. as long as head. Dorsals well separated ; 
the spines very slender. Olivaceous with 6 dark cross-shades on 
back, and with dark marks, much as in FE. nigrum; from the 
N-shaped marks on sides light blue bands pass down around belly 
and tail; two black spots on base of C; a black spot behind eye. 
Head 4; depth 6. D. XI to XIII-11 or 12. A. TI, 9. Lat. 1. 
50 to 55. L. 2. Tenn. to Ark. and 8. (Lat., pertaining to rocks.) 
365. EB. luteovinctum Gilbert & Swain. Compressed, the back 
elevated, the tail very slender; head compressed, with short, high 
snout, its profile strongly decurved; mouth low, horizontal; gill 
membranes narrowly connected; dorsals low, well separated. Very 
1 The form from Ind. and Ill. is probably not different from E. jessie. It may 
be called Var. asprigene (Forbes). Body rather stout ; head somewhat pointed ; 
eye large, longer than snout ; mouth terminal ; dorsals separate. Dark greenish, much 
mottled ; 1st D. dusky behind with a broad band of blue and crimson ; soft fins 
speckled. Head 4; depth4}. D. XI-12. A. II, 8 Lat. L 493 tubes on 34 to 
41. L. 23. 
