80 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY III. 



Genus SEMOTILUS Eafinesque. 

 50. SEMOTILUS CORPORALIS (Mit.) Pat. 

 From Bock Castle River. 



CATOSTOMIDJS. 



Genus MYXOSTOMA Eafinesque. 

 51. MYXOSTOMA MACROLEPIDOTUM DUQUESNII (Le S.) Jor. 

 Common in the Cumberland. 



Genus ERIMYZON Jordan. 

 52. ERIMYZON SUOETTA (Lac.) Jor. 

 From the Cumberland at Nashville and from the liock Castle. 



Genus MINYTREMA Jordan. 

 53. MINYTREMA MELANOPS (Raf.) Jor. 

 From the Cumberland at Nashville. 



Genus CATOSTOMUS Le Sueur. 



54. CATOSTOMUS NIGRICANS Le 8. 

 Common in the Cumberland. 



55. CATOSTOMUS COMMERSONI (Lac.) Jor. 

 Very common in the Cumberland. 



Genus CYCLEPTUS Eafinesque. 



56. CYCLEPTUS ELONGATUS (Le 8.) Ay. 



From the Cumberland at Nashville. This species is known as ' Black 

 Horse", " Gourd-seed Sucker", and " Missouri Sucker". 



Genus CARPIODES Eafinesque. 



57. CARPIODES CUTISANSERINUS Cope. 

 From the Cumberland Eiver at Nashville. 



