31. CYPRINIDiB MINNILUS. 199 



each surrounded by a diffuse blotch ; tip of ventrals and edge of pec- 

 torals dark ; vertical fins red. Head 4^ ; depth 4. D. 8 ; A. 11 ; scales 

 S-45-3. L. 21 inches. Chickasawha River, Mississipi^i. 



(Hay, Proc. U. S. Nat. Mus. 1880, 509.) 



tttNo (listiuct black spot on the dorsal. 



a. Body short and deep. > 



392. M. bcllus Hay. 



Body short, deep, considerably compressed. Dorsal region elevated. 

 Head short. Muzzle short, rather x)ointed, the iHofile somewhat con- 

 cave. Mouth large, oblique, the maxillary extending to opposite the 

 ti'ont of orbit, the lower jaw projecting. Lateral line much decurved. 

 Scales crowded forwards, 25 in front of dorsal. Dorsal midway between 

 snout and caudal, behind ventrals ; pectorals not reaching ventrals, the 

 latter to vent. Caudal peduncle slender. Dusky above, with a nar- 

 row dark dorsal line; sides silvery, with plumbeous streak; no spot 

 at base of dorsal; fins mostly black-tipped; belly flame color in life; 

 fins orange at base. Head 4i ; depth 3f . D. 8 ; A. 10 or 11 ; scales 

 7-41--3; teeth 2, 4-4, 2, "sharp-edged, but with a masticatory surface". 

 L. 2i inches. Tombigbee River, Mississippi. (Hay.) 



(Hay, Proc. U. S. Nat. Mus. 1880, 510.) 

 rm. Body alender and elongate. 



393. ITI. inatutinus (Cope) Jor. 



Body slender. Orbit large, 3^ in heatl, scarcely larger than length 

 of muzzle, equal to interorbital width. Olivaceous above; the scales 

 brown-shaded ; a plumbeous lateral band ; sides and below bright sil- 

 very ; a dark spot at base of caudal. Males with the muzzle and chin 

 red. Head 4^; depth 6. D. 8; A. 11; scales 7-44r-3; teeth without 

 grinding surface. L. 2i inches. Neuse River. {Cope.) 



{Alburnillua inatutinus Cope, Proc. Amer. Phil. Soo. Phila. 1870, 465.) 



*294. Ifl. lirus .Jordan. 



Body slim, compressed. Head small, short, moderately deep, flattish. 

 above. Mouth rather large, very oblique, the lower jaw slightly pro- 

 jecting. Eye very large, longer than snout, 3 in head, the maxillary 

 about reaching its front. Scales small, loosely imbricated, their outlines 

 extremely indistinct. Fins moderate. Coloration very pale translucent 

 green ; scales of back finely punctate ; sides with a very distinct me- 

 tallic blue band formed of dark punctulations, this band passing 

 through the eye and snout and forming a most characteristic color- 

 marking ; a streak of black dots along the V)a8es of dorsal and anal, 



