PERCID^. — LXIII. 1 C 3 



TO. Cheeks naked, or very nearly so ; opercles scaly. 



361. E. ccEruleum Storer. Rainbow Darter. Soldier- 

 fish. Body rather stout ; Lead 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 3|^; depth 4 J. D. X-12. 

 A. II, 7. Scales 5-45-8; pores 33. Vert. 15 -f- 21 = 36. L. 2^. 

 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. E. jessiae (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. XII -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. iowae 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 3| ; depth 5-|. 

 D. IX-11. A. II, 7. Scales 5-59-9. L. 2. S.Iowa. 



364. E. 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 E. 7iigrum; 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. II, 9. Lat.' 1. 

 50 to 55. L. 2. Tenn. to Ark. and S. (Lat., pertaining to rocks.) 



365. E. 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 111. is probably not different from E. jessicr. It may 

 be called Var. asprigene (Forbes). Body rather stout; head somewhat pointed; 

 eye lar^^e, longer than snout ; mouth terminal ; dorsals separate. Dark greenish, much 

 mottled ; 1st D. dusky i)ehind with a broad band of blue and crimson ; soft tins 

 speckled. Head 4 ; depth 4^. D. XI - 12. A. II, 8. Lat. L 49 ; tubes on 34 to 

 41. L. aj. 



