78 PRELIMINARY REPORT 



ORDER RHOMBOGANOIDEA. 



Family LEPISOSTElDiE. The Gar-fishes. 



Genus Lepisosteus Lac^pede. 



Ij. osseus (LiiiDseus). 



L.. platostoinus Rafinesque. 



ORDER CYCLOGANOIDEA. 



Family AMIID^E. The Bow-fins. 

 Genus Aniia Linnaeus. 



A. calva Linnaeus. 



ORDER NEMATOGNATHI. 



Family SILURID^E. The Cat-fishes. 



Genus Ictalurus Rafinesque. 



I. piiuctatus (Rafinesque). 



Genus Ameiurus Rafinesque. 



A. lacustris (Walbaum). 

 A. natalis (Le Sueur). 

 A. vulg-ari.s (Thompson). 

 A. nebulosus (Le Sueur). 

 A. melas (Rafinesque). 



Genus Leptops Rafinesque. 



Li. Olivaris (Rafinesque). 

 Genus Noturus Rafinesque. 



?^. flavus Rafinesque. 



Genus Scliilbeodes Bletker. 



S. g-yriniis (Mitchill). 

 S. exilis (Nelson). 



ORDER PLECTOSPONDILI. 



Family CATOSTOMID^]. The Suckers. 



Genus Ictiobus Rafinesque. 



I. cyprinella (Cuvier & Valenciennes). 

 I. bllballis (Rafinesque). 



Genus Carpiodes Rafinesque. 



C. carpio (Rafinesque). 



