Family XVII. Percid^e. 197 



Subgenus Torrentaria Jordan & Evermann. 



185. Etheostoma australe (Jordan). 



Aplesion fasciatus Girard, Proc. Acad. Nat. Sci. Phila., 1859, 101 



(not Catonotus fasciatus Girard); Chihuahua River, Mexico. 

 Etheostoma australe Jordan, Proc. U. S. Nat. Mus., 1884, 362; Chi- 

 huahua River, Mexico: Woolman, Bull. U. S. Fish Comm., 

 1894, 60; Chihuahua: Jordan & Evermann, Bull. 47, U.,S. 

 Nat. Mus., 1896, 1080: Meek, Field Col. Mus. Pub. 65, 1902, 

 119; San Andres; Santa Rosalia; Chihuahua; Jimenez. 

 Etheostoma scovelii Woolman, Amer. Nat., 1892, 261; Rio de los 



Conchos, Chihuahua, Mexico. 

 Headwaters of the Rio Conchos in Chihuahua. 

 Head 3% to 3^ ; depth 4^ to \% ; D. x to xn, 9 to 1 1 ; A. 1, 7 or 

 8; scales 6-58 to 66-11. Body elongate, not much compressed; 

 mouth small, the lower jaw the shorter; maxillary reaching front of 

 pupil; eye small, ^H i n head; snout bluntish, 4 in head; premaxillary 

 not protractile; gill membranes moderately connected, free from the 

 isthmus; pectorals large, nearly as long as head; ventrals close to- 

 gether, \Y Z in head; head, breast and nape naked; lateral line incom- 

 plete. 



Color light olivaceous, sides with about 10 dusky cross-bars, these 

 more prominent in the males ; the pale interspaces red in life ; the 

 dusky bars alternate with the pale blotches on the sides ; soft dorsal 

 and anal with dark cross-bars ; spinous dorsal with a dark base and 

 dark tips, otherwise pale; a dark bar downward and one forward from 

 the eye. Length about 2% inches. Spawning time the latter part 

 of May and in June. 



Subgenus Rafinesquielhis Jordan & Evermann. 



186. Etheostoma pottsii (Girard). 



Aplesion pottsii Girard, Proc. Acad. Nat. Sci. Phila., 1888, 289; 



tributary of the Rio Chihuahua. 

 Etheostoma micropterus Gilbert, Proc. U. S. Nat. Mus., 1888, 289; 



Chihuahua, Mexico: Woolman, Bull. U. S. Fish Comm., 1894, 



60; Rio Chihuahua, Chihuahua. 

 Etheostoma pottsii Jordan & Evermann, Bull. 47, U. S. Nat. Mus., 



1896, 1083; Chihuahua: Meek, Field Col. Mus. Pub. 65, 1902, 



119; San Andres; Chihuahua; Santa Rosalia; Jimenez. 

 Headwaters of the Rio Conchos, Rio Nazas, and Rio Mezquital, 

 in Chihuahua and Durango. (Santiago Papasquiaro; Durango.) 



Head 3K to 3%", depth sH to A l A\ D. ix to xi, 10 to 12; A. 11, 7 or 

 8; scales 5-44 to 50-10. Body moderately elongate, not much com- 



