16 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY 1. 



Cycleptus nigrescens. .- 421=Cycleptus elongatus(Le S.) Ag. 



Noturus luteus 421=Noturus flavus Eaf. 



Pilodictis limosus 422=Pelodiclithys olivaris (Eaf.) Gill & 



Jor. 

 Litholepis adamantinus. 422=Litholepis spatula (Lac) Jor. 



XII. Description of the Silures or Cat-Fishes of the River Ohio, by 0. S. 

 Eafinesque, Professor of Botany in the Transylvania University of 

 Lexington, Kentucky. <Quarterly Journal of Science, Literature and 

 Arts, Koyal Institution, London, 1820, ix. 



Silurus maculatus. . ... 48=Ichth8elurus punctatus (Eaf.) Jor. 

 var. ery throptera . .... 49=Ichthselurus punctatus (Eaf.) Jor. 

 Silurus pallidus ........ 49= Ichthgelurus punctatus. 



var. marginatus 49=Ichth8elurus punctatus. 



var. lateralis 49= Ichthselurus punctatus. 



var. leucoptera. ...... 49==Ichth8elurus punctatus. 



Silurus cerulescens 49=Ichth8elurus punctatus. 



var. melanurus. - . 49=Ichth8elurus punctatus. 



Silurus argentinus ...... 5O=Ichth0elurus punctatus. 



Silurus nebulosus 50=Pelodichthys olivaris (Eaf.) G. 



& J. 

 Silurus viscosus. . ...... 50=Pelodichthys olivaris. 



Silurus lividus 51=Amiurus lividus (Eaf.) Jor. 



var. fuscatus. ..... ... 5I=Amiurus lividus. 



Silurus melas ........... 51 = Amiurus melas (Eaf.) Jor. & Cope- 

 land. 

 Silurus cupreus ........ . 51=Araiurus lividus cupreus (Eaf.) 



Jor. 

 Silurus xanthocephalus-. 5l= Amiurus xanthocephalus (Eaf.) 



Gill. 

 Silurus limosus . - 51=Pelodichthys olivaris. 



III.— ICHTHYOLOGIA OHIENSIS. 



Ichthyologia Ohiensis | or ] Natural History | of | the Fishes Inhabiting the | River 

 Ohio I and its Tributary Streams | Preceded by a physical description of the Ohio and 

 its branches | by C. S. Rafinesque, | — ] Professor of Botany and Natural History in 

 Transylvania University, Author of the Analysis of Nature, &c., &c., member of tho 

 Literary and Philosophical Society of New York, the Historical Society of New York, 

 the Lyceum of Natural History of New York, the Academy of Sciences of Philadelphia, 

 the American Antiquarian Society, the Royal Institute of Natural Sciences of Naples, 

 the Italian Society of Arts and Sciences, the Medical Societies of Lexington and Cin- 



