54 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY III. 



Genus SEMOTILUS Rafinesque. 

 43. SEMOTILUS coRPORALis [Mlt.) Futnam. 

 Commou in the smaller streams. 



Genus RHINICHTHYS Agassiz. 

 44. Ehinichthys obtusus Agassiz. 



Very common in the spring-ruus tributar^^ to the Etowah and Oosta- 



naula. 



CATOSTOMIDiE. 



Genus MYXOSTOMA Rafinesque. 

 45. Myxostoma macrolepidotum duquesnii [Le S.) Jordan. 



The " Eed Horse" is commou in the Etowah and Oostanaula. Var. 

 lachrymale (Cope) also occur.}. 



46. MYXOSTOMA EURYOPS Jordan. 

 Myxostoma euryovs Jordan (1877), Ann. Lye. Nat. Hist. N. Y. 348. 



From Lovejoy's Creek, a tributary of the Oostanaula. The type-speci- 

 men of this singular species still remains unique. 



Genus CATOSTOMUS Le Sueur. 

 47. CATOSTOMUS NIGRICANS ETOWANUS Jordan. 



Catostomua nigricuvs var. eiowanus Jordan (1877), Ann. Lye. Nat. Hist. N. Y. 



The Hog Mullet, or Crawl a-bottom, is very abundant in all rapid 

 streams in the Alabama Basin. The characters separating var. etowa- 

 nus from nigricans seem to be pretty constant. I do not, however, 

 think them distinct species. 



Genus ERIMYZON Jordan. 

 48. Ereviyzon sucetta [Lac.) Jordan. 



This species, known locally as the May Sucker, is abundant in the 

 water- basin of the Alabama. 



Genus MINYTREMA Jordan. 

 49. Minytrema melanops Jordan. 

 The "Sand Sucker'* is abundant in the waters of the Alabama. 



