226 FISHES. 



3. N. sanguifluus, (Cope) Jor. Slender; muzzle not 

 decurved; black, with scattered crimson spots; breast 

 blue; fins crimson without dark margin; D. XII — 13; 

 A. II, 9; lat. 1. 58. Cumberland River. 



4. N. vulneratus, (Cope) Jor. Stout; muzzle not 

 decurved; back not arched; pale, with dark olive cross- 

 bars and some crimson spots; first dorsal with red spots; 

 second dorsal and caudal dark-margined; D. XIV— 13, 

 A. II, 8; lat. 1. 53. French Broad R. 



5. N. rufilineatus, (Cope) Jor. Stout; head, etc., as 

 in the preceding ; back arched ; coloration pale, with 

 narrow dark lines enclosing spaced, quadrate, red-brown 

 spots; belly orange; throat blue; fins largely orange, 

 with a broad vermillion border and a narrow black edge; 

 D. XI — 13; A. II, 8; lat. 1. 45. French Broad River. 



14. PdCILICHTHYS, Agassiz. Rainbow Dakters. 



= AstaUchthys^ Le Vaillant. 



1. P. coeruleus, (Stor.) Ag. Blue Darter. Rain- 

 bow Fish. Blue Johnny. Olivaceous, tessellated above, 

 the spots running together into blotches; back without 

 black lengthwise stripes; sides with about twelve indigo 

 blue bars running obliquely downward, most " distinct 

 behind, separated by rich orange interspaces; caudal 

 deep orange, edged with bright blue; anal orange, with 

 deep blue in front and behind; soft dorsal chiefly orange, 

 blue at base and tip; spinous dorsal crimson at base, 

 then orange, with blue edgings; ventrals bluish, often 

 deep indigo blue ; cheeks blue ; throat and breast orange, 

 these two shades very constant; $ much duller, with but 

 little or no blue or orange, the vertical fins barred or 

 checked; colors fade in alcohol; body short and stout; 

 head large; D. X— 12; A. II, 7; lat. 1. 45; length 2 to 3 



