85. PEECID.E raX'ILICIITHYS, 521 



wavy bands; first dorsal brijilil blue in the males, with a broad median 

 band of crimson; speckled in tlie females; top of liead darlc; black 

 streaks downward and forward from eye. Head 4; depth 5;^. D. IX- 

 11; A 11,7; Lat. 1. 58. L. 2.] inches. Indiana to Minnesota; abun- 

 dant in clear cold streams ; one of the prettiest of the darters. 



(Boleichtlnis cos Jordan & Copolaiul, Proc. Acad. Nat. Sci. Pliila. 1^77, 40: Bolckhthys 

 COS Jordan, Man. Vert. 226.) 



gg. Cheeks naked ; operclcs scaly. 



§2©. P. esiSBS (Grd.) J. «fc G. 



Body compressed, tapering towaids the caudal peduncle, which is 

 slightly conti acted. Eye large, subcircular, 3^ in head; maxillary 

 reaching anterior edge of pui)il. Lateral line nearer the dorsal than 

 the abdominal outline ; pectorals extending further than the ventrals. 

 Yellowish-brown, speckled with grayish -black, dorsals and caudal 

 barred; a dark s])ot on the occii)ital region and a streak in advance of 

 as well as beneath the orbit. Head 4-4- (with caudal). D. X-IO ; A. IF, 

 8. L. If inches. Little Muddy River, a tributary of the Upper Mis- 

 souri, {(rirard.) Differs from P. eos in the naked cheeks. 



{Bolekliihgn csills Girard, Proc. Acad. Nat. Sci. Phila. 1859, 103.) 



§21. P. warreEaa (Grd.) J. & G. 



"llesemiiles P. c.mis more than any of its congeners by the shape 

 of tlie body and tlie general api)earance. It differs by a more compact 

 body, a i)roportionally shorter head, smaller scales, an<l the number of 

 fin rays, (xiound color yellowisli-brown, the middle of the flanks macu- 

 lated with transverse spots of blackish ; the belly exhibiting a rather 

 orange hue; the first dorsal has a series of vertically elongated black 

 spots resembling a dark band across the middle of the fin ; the second 

 dorsal and caudal are transversely mnltilineated. A black streak may 

 be seen in advance of the orbit and another beneath it." 1). IX-11 ; A. 

 11,9. L. li inches. Cannon Ball Kiver, {Girard.) Perhaps identical 

 with the preceding. 



(Boleichthys icarreni Girard, Proc. Acad. Nat. Sci. Phila. 1859, 104.) 



§22. P. f^-B-:jCB!]HS (Grd.) J. & G. 



Slender and graceful ; first dorsal lower and longer than the second ; 

 anal much deeper than long ; tips of the ventral fins extending a little 

 further back than those of the pectorals. Olivaceous, spotted with 

 blackish; second dorsal and caudal barred; a longitudinal black streak 

 in advance of the orbits and a vertical one beneath them. Head 4^ 



