16 CONTRIBUTIONS TO NORTH AMERICAN ICHTHrOLOGY 1. 



Cycleptus nigrescens. .. 42i=Cycleptus elongatus(Le S.) Ag. 



Noturus lutens 421=Noturus flavusEaf. 



Pilodictis limosus 422=:PelodicUthysolivaris(Raf.) Gill & 



Jor. 

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



XII. Description of the Silures or Cat-Fishes of the Elver Ohio, by C. S. 

 Eatinesque, Professor of Botauy in the Transylvania University of 

 Lexington, Kentucky. <Quarterly Journal of Science, Literatureand 

 Arts, Eoyal Institution, London, 1820, ix. 



Silurus maculatus 48=IchthiBlurus punctatus (Raf.) Jor. 



var. erythroptera 49 = Ichth8elurus punctatus (Eaf.) Jor. 



Silurus pallidus 49= Ichthselurus punctatus. 



var. marginatus 49=Iclith8elurus punctatus. 



var. lateralis 49 = Ichthselurus punctatus. 



var, leucoptera. 49=Ichth8elurus punctatus. 



Silurus cerulescens 49= Ichthselurus punctatus. 



var. melanurus 49= Ichthselurus punctatus. 



Silurus argentinus 50= Ichthselurus punctatus. 



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



& J. 



Silurus viscosus 50=Pelodichthys olivaris. 



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



var. fuscatus 51=Amiurus lividus. 



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

 land. 



Silurus cupreus 51=Aniiurus lividus cujireus (Raf.) 



Jor. 

 Silurus xanthocephalus-. 51=Amiurus xanthocephalus (Raf.) 



Gill. 

 Silurus limosus - . 51=Pelodichthys olivaris. 



Ill— ICHTHYOLOGIA OHIENSIS. 



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

 Ohio I and its Tributary Streams 1 Prece'ded 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 the 

 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- 



