216 L. Agassiz on the Ichthyological Fauna of Western America. 
through the kindness of Professor S. 8. Haldeman from the Sus- 
quehannah River; from Carlisle, Pennsylvania, through Prof. 
Baird; from Hollidaysburg, Pennsylvania, where it is called 
Cuttlips, or Niggerfish, through J. R. Lowrie, Esq. ; from the Ju- 
niata River, where it is called Daychub and Niggerchub, through 
Prof. Th. C. Porter, and from Nichois, Tioga County, New York, 
where it is called Mullet, through R. Howell, Esq., so that its 
geographical range appears much wider than was known before. 
As to the other species referred by Rafinesque to the genus. 
Exoglossum, it may easily be ascertained on comparing his 
figures and descriptions, that neither of them belong to this tribe 
a synonym of his own Exoglossum arinulatutn with a less marked 
caudal spot. ese nominal species have nevertheless been in- 
troduced by Valenciennes into his Histoire Naturelle des Poissons, » 
upon the authority of Rafinesque, and hence reproduced by Dr. 
Storer in his Synopsis of the Fishes of North America. The 
