176 Storer's Synopsis of the Fishes of North America. 



Ohio River, Lake Erie, Raf., Kirtland. The fresh-water tributary streams of Chesa- 

 peake Bay, Lesueur. Lake Pontchartrain, Val. 



Called " Sailor-fish," " Flying-fish," and " Skimbaek." 



Catostomus cyprinus, Carp, Lesiteur, Journ. Acad. Nat. Sc., I. p. 91, fig. 



Catostomus velifer, Sailing Sucker, Raf., Ichth. Ohien., p. 66. 



Labeo cyprinus, Griffith's Cuv., x. p. 380. 



Caloslomus velifer, Carp of the Ohio, Kirtland's Report, pp. 169, 192. 



Labeo cyprinus, Long -finned Chub Sucker, Dekay's Report, p. 191, pi. 77, fig. 243. 



Le Sderognathe cyprin (Sclerognathus cyprinus, Val.), Cuv. et Val., xvn. p. 474. 



Sclerognathus cyprinus, Kirtland, Bost. Journ. Nat. Hist., v. p. 275, pi. 22, fig. 2. 



2. Sclerognathus cyprinella, Val. 

 Body similar in form to that of the preceding species. The dorsal fin resembles that of 

 the preceding ; but the anal fin is more pointed. The scales are much smaller ; there are 

 forty-one in a longitudinal series, ten above and seven below the lateral line. Greenish gold, 

 fins of a deeper color. 

 D. 33. P. (<). V. (?). A. 12. C. (?). Length, (>)■ 

 Lake Pontchartrain, Val. 



Le Sderognathe cyprinelle (Sclerognathus cyprinella, Val), Cuv. et Val., XVII. p. 477. 



GENUS VII. EXOGLOSSUM, Raf. 



Body elongated, slightly compressed, covered with small scales, vent nearest 



to the tail. Head scaleless, flattened above, mouth terminal, toothless ; lower 



jaw shorter, with three or five lobes, the middle one larger, simulating a 



tongue ; lips very small. Ventral fins with nine rays ; dorsal fin opposed to 



them. 



1. Exoglossum Lesueurianum, Raf. 



Head large, snout very short, broad, and convex ; lateral line curves regularly to the mid- 

 dle of the body, and descends thence in nearly a straight line to the tail. The dorsal fin is 

 large, quadrangular, in the centre of the body ; the caudal is forked. Back brownish olive ; 

 sides blue, with a brownish band ; a black spot at the base of the caudal fin ; beneath silvery 

 gray. 



D. 9. P. 18. V. 8. A. 9. C. 9 principal rays. Lesueur. 



D. 9. P. 15. V. 7. A. 8. C. 19f. Valenciennes. Length, 4 inches. 



Maryland, Lesueur. Lake Owaska, Val. 



Cyprinus maxilingua, Little Sucker, Lesueur, Journ. Acad. Nat. Sc., I. p. 86. 



Exoglossum Lesueurianum, Raf., Journ. Acad. Nat. Sc, I. p. 420. 



Catostomus maxilingua, Little Sucker, Dekay's Report, p. 203. 



L'Exoglosse de Lesueur (Exoglossum Lesueurianum, Raf.), Cuv. et Val., xvn. p. 483. 



2. Exoglossum macroplerum, Raf. 

 Head nearly square, forehead truncate, tuberculated, mouth protractile, lower lip five-lobed. 



