292 PROCEEDINGS OF THE ACADEMY OP 



Serrasalmo ^sopus, Cope. 

 Serrasalmo humeralis, Kner. 

 Serrasalmo nattereri, Kner. 

 Hydrolycus scomberoides, Spix. 



RCEBOIDES RUBRIVERTEX, Cope. 



SILURIDffi. 



Cetopsis ccecutiens, Licht. 

 Pabiodon microps, Kner. 

 Piramutana, sp. nov. 

 Callophysus lateralis, Gill. 

 Phractocephalus hemiliopterus, B1. Schn, 

 Rhinodoras NIGER, Yalenc. 

 Doras brachiatus, Cope. 

 Plecostomus scopularius. Cope. 

 Plecostomus biseriatus, Cope. 

 LiPOSARCUs VARius, Cope. 



[February 13, 



