292 PROCEEDINGS OP THE ACADEMY OF 



Serrasalmo ^sopus, Cope. 

 Serrasalmo humeralis, Kner. 

 Serrasalmo nattereri, Kner. 

 Hydro LYC us scomberoides, Spix. 

 Rceboides rubrivertex, Cope. 



SILUKID^. 



Cetopsts ccecutiens, Licht. 

 Pariodon 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, 



