146 



The upper surface of the head and Lack is usually blackish, 

 the rest of body white with a greenish, brassy or golden 

 lustre. Length, 3 to 6 inches. 



Fin-rays:— 1. 1; P. 16; V. 9; A. 2. 14; C. 19. 



Cyprinus americanus, L. Syst. Nat. I, p. 530. 



Leuciscun chrysoleuvus. Stover, Rep. p. 88. 



Stille chrysoleucus, DeKav, New York Fauna, Fishes, p. 

 204, pi. 29, fig. 91. 



Ahramis versioolor, DjKiv, 1. c. p. 191, pi. 32, fig. 103. 



Leucosomus americanus, Storer, 1. c. V, p. 283, pi. 21, fig. 2. 



Abramis americanus, Guenther, VII, p. 305. 



Acad. Coll. S. I. 



CHllOSOMUS, Eafinesqiie. 



C. eos. 



The height of the body of this sxiall species is a little less 

 than the length of the head, which is one-fourth of the total 

 (without^caudal). In the Autumn the color is silvery below, 

 with a dark band in the usual position of the lateral line, and 

 a narrower dark line above it, confluent Avith the lower on 

 caudal peduncle. Above the lower band are small brown 

 spots. 



Fin-rays:— 1. 8; P. 16; V. 8; A. 1. 8; C. 18. 



Chrosomvs eos, Cope, Proc. Ac. Kat. Sc. Philad., 18G4, p. 

 281. 



Fhoxiiius 7ieogceus, Cope, Ti'ans. Am. Phil. Soc. XIII, p. 

 375 and 391; Guenther, YII, p. 247. 



In Stony Run, a tributary of the Patapsco River, with clear 

 sandy bottom, and also in the Upper Potomac, in Washing- 

 ton county. 



Acad. Coll. S. I. 



CLINOSTOMUS, Giraid. 



1— C. funduloides. 



The height of the body e(j[uals the length of the head, whicli 

 is one-fourth of the total (without caudal). A male in breed- 

 ing dress is quite rugose, like Hypsilepis diplcemia, with tu- 

 bercles on the back, sides, and the rays of the dorsal and 

 anal fins. Above the lateral line dusky, with a yellowish 

 band from the head to the tail; below the lateral line yellow- 

 ish, red in spring. 



Fin-rays:— D. 10; P. 16; Y. 8; A. 9; C. 19. 



Clinostomus funduloides, Girard, Proc. Ac. Nat. Sc. Philad. 

 1856, p. 212; Cope, Trans. Am. Phil. Soc, XIII, p. 376, pi. 

 13, fig. 2. 



