118 FISHES OF NORTH CAROLINA. 



104. HIODON SELENOPS Jordan & Bean. 

 Moon-eye. 



Hiodon selenops Jordan & Bean, Bulletin U. S. National Museum, X, 67, 1877; Chattanooga, Tenn. Jordan 

 & Evermann, 1896, 414, pi. Ixviii, fig. 181. 



Diagnosis. — ^Body rather long, back slightly elevated, belly not keeled, depth .25 total 

 length; head a little shorter than depth; eye .4 length of head; scales in lateral series 50; dorsal 

 rays 12; anal rays 27; pectorals not extending as far as ventrals. Color: silvery, {selenops, 

 moon-eyed.) 



Fig. 38. Moon-eye. Hiodon selenops. 



This species, which is known from Tennessee, Cumberland, and Alabama 

 rivers, was only recently detected in North Carolina, a specimen having been 

 forwarded to the National Museum in 1902 that had been taken at Bowman's 

 Bluff, on the French Broad in Henderson County. Length 1 foot. 



Family DOROSOMID^. The Gizzard Shads. 



This family is very closely related to the Clupeidae. The most evident char- 

 acters are a strongly-compressed, short, deep body; small, short head, with 

 small inferior mouth; numerous slender gill-rakers; no lateral line; thin, decidu- 

 ous cycloid scales; very long, low anal fin; and a rounded, muscular stomach. 

 Fishes of coasts, rivers, and lakes, with little food value. Two American genera. 



Genus DOROSOMA Rafinesque. Gizzard Shads; Mud Shads. 



Medium-sized fishes, having in addition to the family characters noted 

 above a thread-like prolongation of the last ray of the dorsal fin. One United 

 States species. (Dorosoma, lance-bodied.) 



105. DOROSOMA CEPEDIANUM (LeSueur). 



"Gizzard Shad"; "Mud Shad"; "Nanny Shad"; "Nancy Shad"; "Shiner"; 

 "Winter Shad"; Hickory Shad. 



Megalops cepediana LeSueur, Journal Academy Natural Sciences Philadelphia, i, 361, 1818; Delaware and 



Doro8oma cepedianum. Smith, 1893a, 191, 195, 199; Pasquotank and Roanoke rivers, and Edenton Bay. Jor- 

 dan & Evermann, 1895, 416, pi. Ixix, fig. 183. 



Diagnosis. — ^Body rather short, deep, greatly compressed, the back elevated, the ventral 

 edge sharp, depth contained 2.5 times in total length; head rather less than .25 total length; 



