130 TELEOSTEI: ACANTHOPTEEI. XX. 



349. E. zonale (Cope). Body slender; head small and short, 

 the snout obtusely decurved ; cheeks and opercles scaly ; breast 

 scaly, or naked (var. arcansanum Jordan & Gilbert) ; teeth feeble ; 

 dorsals separate. Olivaceous ; 6 brown quadrate spots on back, 

 connected by alternating spots with a broad, brown lateral band, 

 from which 8 narrower dark bluish bands nearly or quite encircle 

 the belly ; P., A. and C. golden, speckled with brown ; middle half 

 of 1st D. crimson; base of 2d D. with round red spots; a black 

 spot on opercle and one at base P. ; 9 duller, with V. barred. 

 Head 4; depth 5. D. XI -12. A. II, 7. Scales 6-43 to 50-12. 

 Vert. 39. L. 2. W. Penn. to Kans. and Miss., in clear streams ; 

 variable. (Lat., belted.) 



aa. Gill membranes scarcely united. (Nothonotus l Agassiz.) 

 b. 'Head short, the muzzle abruptly decurved; scales 7-53-8 ; 2d D., A. and 

 C. black edged. 



350. B. camurum (Cope). BLUE-BREASTED DARTER. Body 

 stout ; mouth somewhat inferior ; C. truncate. $ blackish olive, breast 

 and throat deep rich blue ; sides profusely sprinkled with crimson 

 dots ; faint dark lines along rows of scales ; 1st D. with a black spot 

 in front, above and behind which is a crimson one ; 2d D., A., and C. 

 crimson, bordered with yellow and then by blue-black ; P. and V. 

 crimson-edged; 9 greenish, faintly barred. Head 4; depth 4. 

 D. XI -13. A. II, 8. Scales, 7-53-8. L. 2. Ind. to Tenn., in 

 clear streams, perhaps the most beautifully colored of all our fresh- 

 water fishes. (Lat., blunt-headed.) 



bb. Head rather long and pointed, the snout not decurved. 

 c. Dorsal spines 10 or 12. 

 d. Scales 9-58-10 ; vertical fins without black border. 



351. B. maculatum Kirtland. Body moderately elongate, with 

 very deep tail ; eye large , maxillary to front of eye ; fins short ; 

 1st A. spine large. Olive black, with a wavy leather-colored dorsal 

 band; throat blue; back and sides with crimson spots; 1st D. with 

 a black spot at base in front ; 2d D. blood-red ; C. with two con- 

 fluent crimson spots at base ; P. and V. without red border ; 9 

 dull, the fins speckled and without red. Head 4 ; depth 5|. D. 

 XII -12. A. II, 9. Scales 9-58-10. Vert. 39. L. 2. W.Penn. 

 to E. Tenn., scarce. (Pcec. sanguifluus Cope.) 



dd. Scales 6-45-7: A. and C. narrowly black-edged. 



352. E. rufolineatum (Cope). Stout, the back elevated ; snout 

 short, as long as the small eye ; tail deep. Olive, with numerous 

 narrow longitudinal streaks including irregular quadrate spots of 

 brick-red ; breast blue ; belly orange ; head with 2 brown bands, and 

 5 red spots on each side ; fins all broadly bordered with crimson ; 

 two orange spots at base C. ; A. scarlet-yellow at base, edge black ; 



s, prominent ; VWTO?, back 



