PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 209 



Vol. Til, I¥o. 14. Washinfi^ton, D. C. Aug. 5, 1884. 



vertical bar. Anterior dorsal rays reddisli. D. TV, 12 or 13. B. 11, 12 

 or 13. 



10. Pomoxys sparoides Lac. 

 Not 'abundant. 



11. Cheenobryttus gulosus C. & V. 



Taken in great numbers ; the most abundant sunfisb in the swamp. 

 Males marked with bright coppery-red on sides, the females light green- 

 ish-yellow. This species occurs, but not abundantly, in Northern Indi- 

 ana and Illinois, and is very common in Southern Illinois. 



12. Lepomis pallidus Mitch. 

 Abundant. 



13. Micropterus salmoides Lac. 

 Abundant. 



14. Pcecilichthys palustris, sp. nov. 



Allied to Poecilichthys eos, Jordan & Copeland. 



Color in life, olivaceous, much mottled with brownish; 11 or 12 cross- 

 blotches of bright green on back, and an equal number on middle of sides 

 the two series separated by a light streak along lateral line; belly dusky. 

 Cheeks dusky greenish, with a black blotch below eye. Membrane of 

 spinous dorsal mostly black on basal half; above this a translucent 

 streak, then a yellowish-red series of spots. Second dorsal and caudal 

 marked with dusky. In spirits the green blotches on sides appear 

 blackish. 



Head 3^ or 3| in length ; depth 6 ; D. IX or X — 10 ; A. II, 6 ; 

 Lat. 1., 50 to 52 (20 or 21 pores). 



Body very slender, terete, little compressed; caudal peduncle es- 

 pecially long and slender, its length behind anal three times its depth. 

 Head but little comj^ressed, nearly as wide as high ; snout short and 

 rather blunt, not at all overhanging the small oblique mouth ; premax- 

 illaries on a level with lower edge of pupil ; maxillary reaching beyond 

 front of orbit, 3f in head. Premaxillaries not protractile. Breast, 

 snout, and top of head naked, cheeks and oijercles closely scaled. Eye 

 very large, 3^ in head ; snout 5^ in head, the interorbital width less 

 than length of snout, concave. 



Dorsals well separated, short, the distance from origin of spinous 

 dorsal to end of soft dorsal equaling one-third total length ; highes, 

 dorsal spine 2^ in head. Caudal rounded. If in head ; length of caudal 

 peduncle 3:^ in body. Anal spines very small, the second smaller than 

 the first, (in one specimen obscure.) 

 Proc. Nat. Mus. 84 14 



