134 TELEOSTEI : ACANTHOPTEKI. — XX. 



pale olive, with 7 dark cross-bars on back ; sides with 9 dark green- 

 ish blotches, between which are orange-yellow cross-bars; small 

 black spots at base of C. ; spinous D. with a median orange band, 

 and a dark blotch behind ; 2d D. and C. barred. Head 3| ; depth 

 4f. D. IX orX-13. A. II, 7. Scales 6-49 to 55-11. L. 2. 

 Stone R., Tenn. (Lat., luteus, yellow; uincius, banded.) 



M. Lateral line forming a slight curve above P. ; body fusiform ; dor- 

 sals separate, subequal. (Boleichthys Girard.) 

 «. Cheeks scaly. 



366. E fusiforme (Girard). Body slender, terete ; snout short, 

 bluntish; mouth small, oblique; maxillary reaching beyond front 

 of eye; eye large, longer than snout; C. rounded; A. spines small. 

 Olivaceous, mottled with brownish ; back with 12 green cross-shades ; 

 sides with similar shades, sometimes with red spots ; 1st D. black 

 below, with reddish spots above. Head 3| ; depth 6. D. IX or 

 X-10. A. II, 6. Lat. 1. 50 (10 to 20 pores). Vert. 16 + 20 = 36. 

 L. 2. Mass. to S. C, Ind., Ark. and Texas, in lowland streams 

 and mud-holes, variable. Southeastward occurs a form or variety, 

 barratti Holbrook, similar but without red or blue. (Lat., spindle- 

 shaped.) 



367. E. eos (Jordan & Copeland). Body elongate, slender, the 

 tail very long ; head long, the snout decurved ; mouth small, Uttle 

 oblique, the lower jaw slightly included. Dark olive, with darker 

 markings; about 12 dark-blue cross-bars on back, with as many 

 short dull-blue bars between them on sides ; interspaces more or 

 less marked with red ; lower parts with irregular dark specks and 

 short lines; 2d D., C. and P. barred; 1st D. with blue and red. 

 Head 4; depth 5J. D. IX- 11. A. II, 7. Lat. 1. 58; about 25 

 pores. L. 2^. Ind. to Minn. ; abundant. (Probably a variety of 

 the preceding.) (^ms, sunrise.) 



ee. Lateral line wholly wanting. (Microperca Putnam.) 



368. E. microperca Jordan & Gilbert. Least Dartek. Body 

 rather short and deep, compressed; snout somewhat decurved; 

 cheeks naked ; opercles scaly ; nape and breast naked ; fins small ; 

 anal spines strong. Olivaceous much speckled, and with zigzag 

 markings ; 2d D. and C. barred ; a dark humeral spot. Head 3| ; 

 depth 4J. D. VI or VII - 10. A. II, 6. Lat. 1. 34. Vert. 14 + 16 

 = 30. L. 1 to 1^. Smallest of the darters, and one of the small- 

 est of fishes ; common from N. Ind. to Minn. (^Microperca punctu- 

 lata Putnam.) (jjuKpos, small ; TrepKr/, perch.) 



159. PERCA (Artedi) Linnisus. (Latin name from jrtp/ci;, origi- 

 nally from TrfpKos, dusky.) 



369. P. flavesoens (Mitchill). Yellow Perch. Ringed 

 Perch. Body oblong, somewhat compressed, the back elevated ; 

 cheeks scaly ; opercles mostly naked, striate ; premaxillaries pro- 



