810 FISHES — CATOSTOMir^. 



Carpiodes nummifer, Cope, Proo. Am. Philos. Soc. Phila., 1870, 484. 



Description. — Body fusiform, more elongate than In the other species, compressed, but 

 not much arched; head quite short; muzzle short, but projecting much beyond the 

 mouth ; eyes small, anterior 4^ in head ; first rays of dorsal short, extremely stout and 

 osseous at base, the insertion of the first ray nearer the end of the muzzle than the base 

 of the caudal fiu ; calor pale, as in all the other members of the genus ; head 4J to 5 ; 

 depth 2J to 3 ; D., 30 ; scales 7-36-5. Length, 1 to IJ feet ; the largest species of the 

 genus. 



Habitat, Ohio Valley, etc., abundant, often ascending smaller streams. 



Diagnosis. — This species may usually be readily distinguished by the 

 small head and the thickened anterior rays of the dorsal. 



Habits. — This is the commonest species of its genus in the Ohio River, 

 and it is often found in the streams of the interior of the State. It has 

 not yet been recorded from Lake Erie. Like the others, it is used as food, 

 but never highly valued. 



31. Carpiodes cypeinds (LeSueur) Agassiz. 



Eastern Carp Sucker; IVebraska Carp Sucker; Rio Orande Carp. 



Catostonms eyprinus, LeSukur, Journ. Acad. Nat. Soi., Phila., i, 1817, 91. 



Laheo cyprinua, DbKay, New York Fauna, part iv. Fishes, 1843, 194. 



Sclerognathus eyprinus, Cuvier and Valenciennes, Hist. Nat. des Poissons, xyii, 1844, 

 474— Stoker, Synopsis, 1846, 4a7. 



Carpiodes eyprinus, Agassiz, Am. Journ. Sci. Arts, 2d series, xis, 1855, 191. — Gunthbk, 

 Cat. Fishes Brit. Mus. vii, 1868, 24.— Cope, Proc. Am. Philos. Soc. Phila., 1870, 484.— 

 Jordan, Fishes of Ind., 1875, 292 ; Man. Vert., 1876, 297 ; 2d Ed., 1878, 323 — Uhlbs 

 and Lugger, Fishes of Maryland, 1876, 140. — Jordan and Copeland, Check List, 

 1876, 458. 



Carpiodes vacca, Agassiz, Am. Journ. Soi. Arts, 1854, 356. — Jordan, Bull. U. S. Nat. Mus., 

 1878, 198, xii. 



Carpiodes tumidus, Baird and Girard, Proo. Phila Acad. Nat. Soi., 1854, 23. 



letioius twmidus, Girard, U. S. Mex. Bound. Surv,, loh., 34, pi. xxx, 1859, f. 1-4. 



Ichthyoius tumidus, Jordan and Copeland, Check List, 1876, 158. 



Carpiodes damalis, Gikard, Proo. Acad. Nat. Sci. Phila., 1S56, 170 ; U. S. Pac. E.R. Expl., 

 X, 1858, 218, pi. xlviii, f. 1-4.— Cope, Proo. Acad. Nat. Soi., Phila., 1865, 85.— Jordan 

 and Copeland, Check List, 1876, 155. 



Carpiodes grayi, Copb, Proc. Am. Philos. Soc. Phila., 1870, 482. — Jordan and Cope- 

 land, Check List, 1876, 158.— Cope and Yarrow, Wheeler's Expl. W. lOOlh Mer., v, 

 Zool., 1876, 681. 



Description. — Body oblong, not much elevated ; head moderate, the mnzzle prominent 

 but rather bluntish ; front scarcely concave between the eyes, the profile forming a 

 nearly uniform curve ; eye small, nearly six in head ; anterior rays of dorsal not thick- 

 ened, moderately elevated, nearly three-fourths as long as the base of the fin, the first 

 ray nearly midway from snout to base of caudal ; color pale ; head 3f to 4J in length ; 

 depth 24; D., 24 to 27 ; scales 6-37-5. Length, one foot. 



Habitat, New England to Alabama, Nebraska and Mexico. 



