Jordan and Evermann. Fishes of North America. 291 



moderately elongate, compressed, rather stouter than in 2T. rubrifrons. 

 Head short and broad, the interorbital space eye. Mouth large, oblique, 

 the lower jaw projecting; maxillary to near front of pupil, 2 in head; 

 dorsal inserted behind ventrals ; fins small. Color greenish, with a plum- 

 beous lateral shade and dark dots ; no spot at base of caudal ; fins pale. 

 Length 2| inches. Rivers of Texas from the Colorado westward, the type 

 from Rio Comal. (Named for Dr. Joseph Swain, President of the Uni- 

 versity of Indiana.) 



AUmnius megalops, GIRARD, Proc. Ac. Nat. Sci. Phila., 1856, 193, San Felipe Creek, Texas. 

 Notropis swaini, JORDAN, Proc. U. S. Nat. Mus. 1885, 123, Rio Comal ; EVERMANN and KENDALL, 



Bull. U. S. Fish Comm., xn, 1892, (1894), 103, plate xvn, fig. 3. 



Alburnellus megalops, GIRARD, U. S. Mex. Bound. Surv., Ichth., 52, 1859. (Cell. Clark.) 

 Minnilut megalops, JORDAN & GILBERT, Synopsis, 195, 1883, not Cyprinus megalops, RAFINESQUE. 



478. NOTROPIS AMABILIS (Girard). 



Head 3*; depth 4; eye large, considerably longer than snout, 3 in 

 head. D. 8; A. 8; scales 5-34-3. Body elliptical, rather deep, head short 

 and rather deep, less acute than in N. dilectus. Mouth terminal, oblique, 

 the maxillary reaching front of eye. Jaws equal, snout moderately 

 pointed. Lateral line decurved. Fins moderate. Dorsal somewhat 

 behind ventrals. Color olivaceous ; sides silvery ; a faint dusky blotch 

 at base of caudal. Length 2i inches. Rio Leona, a tributary of Rio 

 Nueces, Texas. (amabilis, amiable.) 



Albunms amabilis, GIRARD, Proc. Ac. Nat. Sci. Phila., 1866, 193, Rio Leona, Texas. 

 Notropis amabilis, JORDAN, Proc. IT. S. Nat. Mus. 1885, 122. 



Alburnellus amabilis, GIRARD, U. S. Mex. Bound. Surv., Ichth., 51, 1859. (Coll. Clark.) 

 Minnilus amabilis, JORDAN & GILRERT, Synopsis, 195, 1883. 



479. NOTROPIS LEUCIODUS (Cope). 



Head 4^; depth 5. D. 8; A. 8; scales 5-39-3. Body rather slender; 

 muzzle rounded in profile. Mouth oblique, the mandible not projecting. 

 Lateral line nearly straight ; 13 scales in front of dorsal ; dorsal a 

 little behind ventrals ; anal short and high. Olivaceous ; scales above 

 dark-edged ; sides silvery, with a purplish band ; a black spot at base 

 of caudal, always very distinct ; muzzle and base of dorsal red in males. 

 Length 3 inches. Tennessee Basin, in mountain streams very abun- 

 dant, but not ascending cold brooks as far as N. telescopus, spectrunculus, 

 and rubricroceus. It is close to N. telescopus, but has the anal shorter, 

 the eye smaller, paler colors, and always a distinct caudal spot. (Aeudf, 

 white; ei6os, appearance.) 



Photogenis leudodus, COPE, Proc. Ac. Nat. Sci. Phila., 1867, 165, Holston River, Virginia. 

 Minnilus leudodus, JORDAN & GILBERT, Synopsis, 194, 1883. (Coll. Cope.) 



480. NOTROPIS SCOPIFER, Eigenmann & Eigenmaun. 



Head 4 to 4; depth 4; eye 3 in head, little less than interorbital. 

 D. 9; A. 8 or 9; scales 6-36 to 42-4; 14 to 18 scales in front of dorsal; 

 teeth 2, 4-4, 2, grinding surface very narrow, on two teeth only. Allied 

 to Notropis leudodus. Head heavy, compressed, flat above ; snout blunt, 

 much decurved; mouth small, little oblique; maxillary extending to 



