416 Storer’s Synopsis of the Fishes of North America. 
Caudal short ; the dorsal and anal similar to the same fins in the L. vulgaris. Scales small ; 
forty-seven longitudinal rows upon the sides, eight above, and three beneath the lateral line. 
D. 10. P.(?). V.(?). A.11. C.(?). Length, 7 inches. 
L’Able vandoisule (Leuciscus yandoisulus, Vat.), Cuv. et VaL., xvii. p. 317. 
30. Leuciscus rotengulus, Vat. 
Back much arched ; abdomen nearly straight ; jaws equal ; pharyngeal teeth in two rows, 
five and two. Three and a half times as long as high. ‘The dorsal slightly posterior. 
D.11. P.(?). V.(?). A. 11. C.(?). Length, 6 inches. 
L’Able rotengule (Leuciscus rotengulus, Vau.), Cuv. et Vau., xvu. p. 318. 
Valenciennes has not given the halntat of the last three species ; but as they are all con- 
tained in Bosc’s collection, they were probably obtained in South Carolina. 
31. Leuciscus spirlingulus, Vat. 
Body compressed, outline straight along the back, curved beneath the belly ; its height a 
little more than one fifth its whole length. ‘The dorsal is situated upon the anterior half of 
the body. There are thirty-five to thirty-nine rows of very thin, caducous scales, which are 
concentrically striated, but are not longitudinally furrowed or rayed. Back reddish brown, 
with a silvery band; belly silvery. Fins colorless, irregularly variegated with black. Pha- 
ryngeal teeth curved and sharp pointed, in two rows, one with four, the other with two. 
Di9. B.(@). V.(@). A. 10. “CA(e)* ebenethen(a): 
New Jersey, Ohio, VALENCIENNES. 
L’ Able éperlanule (Leuciscus spirlingulus, Vau.), Cuv. et Vat., xvi. p. 321, pl. 506. 
32. Leuciscus tincella, Vat. 
Similar in appearance toa Tench. Head small, snout slightly pointed ; lower jaw shorter 
than the upper; four pharyngeal teeth. Caudal scarcely emarginated. Scales small and 
very finely granulated ; seventy in a longitudinal series; fifteen above the lateral line, and 
twelve beneath it. Lateral line nearly straight. A very deep golden-green upon the back, 
brilliant upon the sides, yellowish beneath. Dorsal, caudal, and pectorals, green; ventrals 
and anal paler. 
D.9. P. 17. V.9. Ait. «C.21.¥ Length; 5 inches: 
Mexico, Vau. 
L’Able petite tanche (Leuciscus tincella, Vau.), Cuv. et Van., xvir. p. 323. 
33. Leuciscus productus, STORER. 
Head broad, flattened above, and rather longer than the height of the body. Scales 
+ 
