NO. 1556. LIST OF CHARACIN FLSIIES—EIGENUAXN AXD OGLE. 85 



specimens in my possession, and referred to by recent authors under 

 the nmnej'alcatu.s^ should be referred to theyero,/' of Giiuther. 

 Acestrorhynchus falcirostris ( Cuvier ) . 



No. 12712. One specimen. 

 Acestrorhynchus ferox (Giinther). 



No. 1039.- Two specimens, Paraguay; Page collection. 



No. 16-10. One specimen,. Paraguay ; Page collection. 



No. 2102. One specimen, Babia; Page collection. 



No. 3-1464. Two specimens. Para ( ?), Brazil; presented b^^ E. G. 

 Blackford and J. C. Brevoort. 



Nos. 33768 and 33769. Two specimens, Para (?), Brazil; presented 

 by J. C. Brevoort. 

 Acestrorhynchus lacustris (Liutken). 



No. 44963. One specimen, Lagoa Santa, Brazil; presented by 

 Liitken. 



? Acestrorhamphus jenynsii (Giinther j. 



No. 39141. One specimen. La Paz, Montevideo, Urugua}-; col- 

 lected ])y W. E. Safford. 



Serrasalmo marginatus Valenciennes. 



No. 1611. Seven specimens, the largest 225 mm. long. 

 No. 2112 (part). Paraguay; Page collection. 



Serrasalmo brandti Lutken. 



No. 44964. One specimen, 217 nun. long. Lagoa Santa, Brazil; pre- 

 sented by Dr. Chr. Lutken. 



Serrasalmo spilopleura Kner. 



No. 2111. One specimen, Paraguay; Page collection. 

 Pygocentrus altus Gill. 



No, 21432. One specimen, 15.5 mm. long. Napo or Maranon River, 

 Brazil; Orton collection. 



This is probably the type; the species is very close to /"'. plraya if 

 not identical with it. 

 Pyg-ocentrus nattereri Kner. 



No. 1612. Four specimens, Paraguay; Page collection. 



No. 5856. One specimen, Brazil; Gibbon collection. 



? Pyg-ocentrus scapularis (Giinther). 



No. 33227. One specimen. South America; presented by J. (1 

 Brevoort. 

 Metynnis hypsauchen (Miiller and Troschel). 



No. 33772. Five specimens. South America; presented by J. C. 

 Brevoort. 



These specimens probabh" belong to this species. They have D. 16, 

 16, 17, 18, and 18; A. 39, 39, 40, 40, 43; abdominal serne 34, 38, 39, 



