200 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



that on the dorsal suggesting the peculiar spot of the other Lythruri; 

 tip of snout black; tins pale olivaceous, red in the males. Males in 

 spring with the head and antedorsal region profusely tuberculated. 

 Head 4i ; depth oi. U. 8 ; A. 10 ; scales 8-45-4 ; teeth 2, 4-4, 2, with very 

 narrow or obsolete grinding surface. L. 21 inches. Tennessee and Ala- 

 bama Kivers. 



{Nototropis lirus Jordan, Aun. Lye. Nat. Hist. N. Y. 187 G, 342.) 



** Scales comparatively large, not Mghtr than long, and not closely imbricated; 

 scales in front of dorsal large; teeth without grinding surface. (Minnilus.*) 

 i. Anal tin long, its rays 14. 



293. M. oligaspas (Cope) Jor. 



" Under jaw projecting a little beyond upper, maxillary extending to 

 opi)Osite i)osterior nostril. Head conic in profde, with muzzle com- 

 pressed, one-fifth of length to notch of caudal. Eye 3i in length of 

 head. Operculum higher than long. Fins short (except anal); ventrals 

 anterior to dorsal. D. I, 8 ; A. I, 14. Scales rather large, 5-41-2 ; lat- 

 eral line with a long, gentle anterior deflection. Above reddish ; sides 

 of head and broad lateral band silvery; body medially yellowish."" 

 {Cope.) L. 2 inches. Kansas. Perhaps a member of some other genus. 



{Albunms olujaspi.f Cope, Proc. Acad. Nat. Sci. Phila. 1804, '282: Abramis? oligaspis 

 Gunther, vii, 309.) 



bh. Anal fin moderate, its rays 10 or 11. 



0. Scales above lateral line in about 9 series. 



296. M. aimbratilis (Grd.) Jor. 



A short, deep species, like a NoUmigonus. Maxillary reaching orbit. 



Lateral line deflexed. Olivaceous; sides silvery. Head 4; depth 4. 



D. 8 ; A. 11 ; scales 9-1-4. L. 3 inches. Arkansas Eiver. (Girard.) 



(Albiirnwi umbraiiUs Grd. Proc. Acad. Nat. Sci. Phila. 185G, 193 : Alburnellus umbratilis 

 Grd. U. S. Vac. R. R. Surv. x,2G0.) 



CO. Scales above lateral line in h-7 series. 



d. Ventral fins reaching beyond middle of dorsal. 



29'?. SI. sc«p£BCUS Jordan & Gilb. sp. nov. 



Body short and deep, compressed and somewhat elevated. Head 

 rather large, deei), bluutish, resembUng the head of Minnilus cornutus. 

 Mouth moderate, terminal, oblique, lower jaw slightly included, upper 

 lip opposite middle of eye, the maxillarj^ extending to front of orbit. 

 Eye very large, longer than snout, 3 in head; interorbital space broad, 

 flattish. Scales large. Lateral Mne much decurved. Fins moderate ^ 



* Alburjiellus Girara. Proc. Acad. Nat. Sci. Phila. 1856, 193. 



