FAMILY XVII. PERCID^E. 19? 



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 2< ; depth 4^ to 4^ ; D. x to xn, 9 to 1 1 ; A. i, 7 or 

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

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

 pupil; eye small, 3^ in 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 Eafinesquiellus 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.) 



Head3K to 3 ^ ; depth 3 < tO4^;D. ix to xi, 10 to 12; A. n, 7 or 

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



