Storer's Synopsis of the Fishes of JYorlh America. 171 



13. Catostomus Duquesnii, Lesueur. 

 Back and forehead dusky olive and coppery, somclimes iridescent with pale blue ; sides 

 coppery; abdomen white. Head about one fifth the length of the entire fish. Scales strong, 

 greatly radiated, and as wide again as long ; scales nearly of same size over the entire body. 

 The anal fin extends as far as the base of the caudal fin, which is greatly forked. Mouth 

 wide. 



D. 11. P. 17. V. 10. A. 9. C. 183. Length, 19 inches. 

 Ohio River, Pennsylvania, Lesueur. 



Catostomus Duquesnii, Lesueur, Journ. Acad. Nat.Sc, i p. 105, fig. 



" White Sucker, EClRTLAND's Report, pp. 169, 192. 



" " " Dekay's Report, p. 203. 



" Pittsburg Sucker, KedHorse of the fishermen, Kietxand, Bost. Journ. Nat. Hist., 



v. p. 268, pi. 20, fig. 1 (male), pi. 21, fig. 2 (f, i 

 Le Catoslome de Duquesne (Catostomus Duquesnii, Lesueur), Cuv. et Val., xvn. p. 458. 



14. Catostomus Bostoniensis, Lesueur. 



Brownish, darker towards the head, which is nearly olive-colored ; sides reddish brown, 

 presenting a beautiful metallic lustre ; beneath white. Pectoral, ventral, and anal fins, red- 

 dish ; dorsal and caudal dark brown. Caudal deeply forked. Mouth very small. Sixty- 

 four scales along the lateral line. Scales on the anterior portion of the body smaller than 

 those on the posterior portion. 



D. 13. P. 18. V. 10. A. 9. C. 18. Length, 8 to 15 inches. 



New Hampshire, Peck. Massachusetts, Lesueur, Storer. New York, Pennsylva- 

 nia, Cuv. 



Cyprinus catostomus, Forster, Peck, Mem. Amer. Acad., II. pt. 2, p. 55. 

 Catostomus Bostoniensis, Lesueur, Journ. Acad. Nat. Sc, i. p. 106, tig 



" " Storer's Report, p. S4. 



Le Calostome Boslonien (Catostomus Bostoniensis, Lesueur), Cuv. et Val., xvn. p. 432. 



15. Catostomus teres, Mitchill. 



Back and sides a speckled black and white. Belly whitish. Pectoral, abdominal, and 

 anal fins yellowish. Dorsal and caudal dark brown. Elongated, round body. Tail almost 

 even. 



D. 13. P. 17. V. 9. A. 8. C. 19. Length, 12 to 15 inches. 



New York, Mitchill. 



Cyprinus teres, Fresh-water Sucker, Mitchill, Trans. Lit. and Phil. Soc. of N. Y., i. p. 453. 

 Catostomus teres, Fresh-water Sucker, Lesueur, Journ. Acad. Nat. Sc., I. p. 103. 

 Le Calostome grele (Catostomus teres, Lesueur), Cuv. et V.u. ., xvn. p. 463. 



10. Catostomus oblongus, Mitchill. 



Upper part of head a dark slate-color. Back greenish, fading into brilliant lemon-yellow 

 on the sides. Four to six vertical obsolete bands, resplendent bluish green on the back, 

 and becoming efiaced on the sides. Dorsal, caudal, and anterior portion of anal brown ; 





