320 FISHES. 



1. D. teres, (Mit.) LeS. Common Sucker. White 

 StrcKEK. Depth about equal to length of head, 4 to 4^ 

 in length; olivaceous, sides silvery, vrith bright reflec- 

 tions; males with the sides roseate in spring; D. I, 13; 

 lat. 1. 63. U. S., abundant every where east of the 

 Rocky Mountains. (C. communis, bostoniensis, teres, 

 sucklii, etc., of authors.) 



** Lateral line with about 100 scales; snout much produced. 

 (Oatoatomus.) 



2. C. longirostris, LeS. Red-Sided Suckee. Long- 

 NosED Suckee. Slender, depth less than length of 

 head; sides with a bright red band, and upper part of 

 head with small tubercles in males in Spring; D. I, 10; 

 lat. 1. 110. Great Lakes, Upper Mississippi and North- 

 ward, abundant. [C. hudsonius, LeS., C. aurora, Ag.; 

 C. griseus and G. lactarivs, Grd. ; U. forsterianus, (Rich.) 

 not G. forsterianus, Ag., which is probably G. commer- 

 sonii^ 



8. CYCLEPTUS, Rafinesque. Suokeebls. 



= Ithytidostomus, Heckel. 



1. C. elongatus, (LeSueur) Ag. Black Hoesb. 

 Goued-Seed StrcKBE. Missouri Suckee. Body fusiform, 

 not greatly compressed; head and mouth very small; 

 depth four to five in length; head Q^; eye small, well back, 

 6 to 7 in head; lobes of dorsal and caudal much atten- 

 uated; longest dorsal rays a little longer than head; 

 pectorals falcate, as long as head; anal fin small; scales 

 with the exposed surfaces broad; g jet black above, sides 

 black with a copperv luster; snout minutely tuberculate 

 in spring; 9 olivaceous; D. 30; A. 7; lat. 1. 56; length 2 to 

 3 feet; weight 2 to 15 lbs. Mississippi Valley, in large 

 streams. A singular species, quite unlike any other. 



