140 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — III. 



ured. As for the oxprosslon, ^' brown spots at the base of the scales," 

 if really ori.uinatiiif? with Dose, as appears to be the case, it may have 

 arihcn lioin the coufiisiou of succtta with vielanops, which species inhab- 

 its the same waters, or it may simply refer to the obscure duskiness of 

 the bases of the scales, common to both species. 



I have examined many sjiecimens of Minytrcma melanops from the 

 Great Lakes, from various places in the Mississipi)i Valley, and from the 

 Tennessee, Alabama, Sautee, and other Southern rivers, and can find 

 no dift'ereuces of any importance. Indeed, the species seems to be very 

 little variable for one so widely distributed. 



Specimens in the United Slates Xalional Museum. 



Number. 



7G94 

 77Gd 

 8434 

 11050 

 11144 

 11145 

 12449 

 17b00 

 17808 

 20;275 



Locality. 



Sandusky, Ohio J. W, Miluer. 



Saudusky, Ohio J. W. Milner. 



Sandusky, Ohio J. W. Milner. 



Sandusky, Ohio J. W. Milner. 



Round Lake, Montgomery, Ala Kumlien& Ui-iin. 



Hempstead, Tex ' Kuinlien & Eanl. 



Dr. Keuners. 



Collector. 



WLito River, Indiana.. ..^j. ... 

 p]towali River, GeorgiaX; L .. . 

 Saluda River, South Carolina. 



D. S. Jordan. 

 D. 8. .Jordan. 

 D. S. Jordan. 



Geiiu.s EPiLMYZUX Jordan. 



Moxosloma Ag.v.<;siz, Am. Journ. Sc. Arts, 1854, 200. (Not of Rafiuesquo.) 



Erimyzon Joiidan, Bull. BuDf. Soc. Nat. Hist. 187G, U.'t. 



Tcretulua CorE, Synoii.sis of Fishes of N. C. 2d ed. Addenda, lb77. (Not cf RafiueEque.) 



t'/y>r»nH«, (Jaioslomm, and Labeo sp., Early Authors. 



Type, Cyprinus oblongiis Mitchill = Cuprinua aucetta Loc. 



Etymology, ipi, an intensive particle ; /xivj, to sink. 



Head moderatQ, rather broad above : montli moderate, somewhat in- 

 ferior, the ui)per lip well developed, freely protractile, the lower moder- 

 ate, infolded, /^-shaped in outline, i>lieate, with 12-L'O plica? on each 

 side: lower jaw without cartilaginous sheath, rather stronger than usual. 



