50 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — I. 



JVototropis photogenis (Cope) Jor. — Ohio E. 



Nototropis rubrifrons (Cope) Jor. — Abundant. 



Nototropis rubellus (Ag.) Jor. — Abundant. 



Nototropis dilectus (Grd.) Jor. — Falls of Ohio. 



Nototropis micropteryx (Cope) Jor. — Rock Castle River. 



Myxostoma hreviceps Cope. — Ohio River. 



PlacopJiaryx carinatus Cope. 



Carpiodes bison Ag. 



Carpiodes difformis Cope. 



Carpiodes eutisanserinus Cope, 



Bubalichthys huhalinus Jor. {Gat. huhalus Kirt. not of Raf.) 



Icthcelurus furcatus (Val.) Gill. 



Ichthaelurus rohusfus Jor. 



Amiurus natalis (Le S.) Gill. 



Noturus miuriis Jordan. 



Noturus liacanthus Jor. 



Noturus lemniscatus (Le S.) Grd. — Ohio. 



Noturus exilis Nelson. — Southern Illinois. 



Amia calva L. 



Ammocoetes argenteus (Kirt.) Jor. — Common. 



