12 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY 1, 



* I. " Precis des Decouvertes Somiologiques", 1814: 



Sparus mocasinus 19 = Eupomotis aureus (Walb.) G. & J. 



Ceutropomus albus 19=Morone americana (Gmel.) Gill. 



Centropoicus luteus .... 19=Perca americana Schranck. 



II. Dissertation on Water Snakes, Sea Snakes and Sea Serpents. 

 < American Monthly Magazine and Critical Keview, September, 1817 : 



Anguilla gigas 434=A myth. 



III. First Decadeof new North American Fishes. < American Monthly 

 Magazine and Critical Review, December, 1817 : 



Anguilla chrisypa 120= Anguilla vulgaris Fleming. 



Salmo pallidus 120=Salmo namaycush Bloch. 



Bodianus rupestris..-. 120=Ambloplitesrupestris (Raf.) Gill. 



Bodianus achigan 120=Micropterus salmoides (Lac.) Gill. 



Cyprinus bullaris 120=Leucosomus buUaris (Raf.) Jor. 



{Seinotilus argenteus Auct.) 



Cyprinus hemiplus 121=Notemigonus americauus (L.) Jor. 



Cyprinus vittatus 121=Rhinichthys atronasus (Mit.) Ag. 



Cyprinus megalops 121=Luxilus cornutus (Mir.) Jor. 



Cyprinus melanurus... 121 = Luxilus cornutus (Mit.) Jor. 



IV. Description of two new Genera of North American Fishes, Opsa- 

 nus and Notropis. <^American Monthly Magazine, January, 1818: 



Notropis atherinoides.. 204=Nototropis sp. {Minnilus Raf.— A?- 



burnellus Grd.). 



V. Second Decade of new North American Fishes. ' < American Monthly 

 Magazine, January, 1818 : 



. Perca mucronata .. 204=:Morone americana (Gmel.) Gill. 



Perca notata 205= Perca americana Schranck (= Perm 



Jiavescens Auct.) 

 Petromyzon leucopterus 205=Ammocoetes nigricans (Le S.) Gill. 

 Sparus erythrops 205 (Erroneous and unidentifiable.) j 



*I have been unable to obtain this paper. Professor Gill informs me that two or ii 9 

 three other American species are described in it, among them Perca americana Scbrauck. li 



