ETHEOSTOMID^E. LXXXIX. 223 



3. E. nigrofasciatum, ( Agassiz ) Jordan. BARRED 

 BLENNY DARTER. Salmon yellow, tessellated above; 

 sides with nine blackish vertical bars, broad and short, 

 almost rectangular, ending abruptly below and fading 

 above into the dark of the back; a black spot on last 

 rays of spinous dorsal ; chest bare ; second dorsal smaller 

 than spinous dorsal or than anal, the latter extending far 

 back; forward and downward streaks from eye; D. XI 

 10; A. II, 9; length 2 inches. Indiana to Ark. and S., 

 a pretty species, very distinct from any of the foregoing. 

 (Jfadropterus shumardi^ Grd.) 



9. HYPOHOMUS, Cope. ORANGE -SIDED DARTERS. 



1. H. aurantiacus, Cope. ORANGE DARTER. Bright 

 yellow, with a black lateral band formed of confluent 

 spots in front; a few brown spots on back; fins plain; 

 no ventral plates; D, XV 15; A, II, 11; size large. 

 Virginia and S. 



10. DIPLESIUM, Rafinesque. GREEN- SIDED DARTERS. 



= Hyostoma, Agassiz. 



1. D. blennioides, (Raf.) Jordan. GREEN- SIDED 

 DARTER. Olive green and tessellated above; sides with 

 a series of about seven double transverse bars, each pair 

 forming a Y-shaped figure; these are joined above, 

 making a sort of wavy lateral band; in life, these mark- 

 ings are of a clear deep green; sides sprinkled with 

 orange dots; head with olive stripes and the usual dark 

 bars; first dorsal dark orange brown at base; blue above 

 becoming pale at tip; second dorsal and anal of a rich 

 blue green with some reddish; caudal greenish; young 

 specimens much duller, but the peculiar pattern is 

 unmistakable; body stout; head short and thick; D. 

 XII to XIII 13; A. II, 8; length 3 inches. Penn. to 



