236 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



2. iSTANOSTOMA VINCTIPES, sp. IIOV. 



Allied to Nanostoma zoriale {Pcecilichthys zonalis, Cope). Body fusi- 

 form, little compressed; head short, the snout strongly decurved ; eye 

 huge, longer than snout, nearly 3 in head ; mouth small, horizontal, the 

 lower jaw included ; teeth small, not distinguishable on the vomer and 

 palatines ; cheeks, opercles, neck, and throat closely scaled ; opercular 

 spine well developed ; gill membranes broadly connected across the 

 breast. 



First dorsal rather low, with slender spines ; second dorsal shorter 

 and rather higher ; the two well separated. Anal spines high, the first 

 much the higher. Caudal moderate, subtruncate. Ventrals pointed, 

 not reaching to the vent. Pectorals moderate, reaching rather beyond 

 tips of ventrals. 



Lateral line complete, with 45 scales in its course. 



Color olivaceous, with about 8 obscure darker lateral shades or bars, 

 with narrow ijaler interspaces. These bars meet around the body be- 

 hind the vent, but not anteriorly ; back with C darker quadrate shades. 

 A dark streak downward and forward from eye, and some black mark- 

 ings in front of opercle. Fins all strongly cross-barred with darker, 

 the pectorals and ventrals especially so ; spinous dorsal reddish at base, 

 with a blackish edging. 



Fin rays, D. X-11 ; A. II, 7. Length of types about 2^ inches. 



This species differs from N, zonale in its less compressed body and in 

 coloration. In the latter species the ventrals are plain and the lateral 

 bars encircle the belly. 



The types of this species, five in number, were taken in a tributary of 

 Illinois River, at Naperville, III., by Dr. Ernest E. Copeland. One of 

 these is in the U. S. National Museum, numbered 23454. 



3. Pcecilichthys viRaATUs, sp. nov. 



A slender species, resembling an Ufheostotna, not closely related to 

 any of the species thus far made known. 



Body moderately elongate, subfusiform, compressed ; the back some- 

 what elevated, the caudal peduncle rather deep ; head long and rather 

 pointed, little compressed, rather slender; the snout but little decurved; 

 mouth rather large, somewhat oblique, the maxillary reaching to the 

 pupil, the lower jaw scarcely shorter than the upper; teeth small, even, 

 in several rows; eye rather large; gill membranes not connected. 

 CJieel's, operclesj necl; and breast wholly naked. Humerol region with an 

 enlarged black scale-like process as in P. punctulatus, Ag., and in the 

 species of Etheostoma. Posterior border of preopercle obtusely but 

 distinctly crenate-dentate. Scales rather large — 53 in a longitudinal 

 series, the lateral line distinct on about 20 of them. 



Color greenish, each scale with a small blackish spot, these forming 

 conspicuous lateral stripes as in Etheostoma lineolatmn. Back and sides 



