eigenmann: fresh water fishes. 345 



ACS Astyanax bimacnlatiis Linnaeus. 



* Astyanax lineatus Holmberg. 



** Astyanacirms nioorii (Boulenger). 

 A Mcenkhausia agassizii Steindachner. 

 A Moenkhaitsia dicJiroiirits Kner. 

 A Mcenkhausia lepiduriis (Kner). 



* BryconaniericHS niocnkJiausii Eigenmann & Kennedy. 

 A* Bryconaniericus exodon Eigenmann. 



/ Bryconaniericus iheringii Boulenger. 

 AC Fowlerina paraguayensis Eigenmann. 

 a Brachychalcinus ixtrospina (Boulenger).^ 



* Brycon Jiilarii (Cuvier & Valenciennes). 



* Brycon microlepis Perugia. 



/ Brycon orbignianus (Cuvier & Valenciennes). 

 A CreatocJianes nielanurtis (Bloch). 

 A TlwracocJiarax stellatus Kner. 



* Chalcimts paranensis Gunther. 

 A Chalcimts angulatus Spix. 



A Chalcimts augitlatits curtits Carman. 

 AS Pygocentrus piraya Cuvier. 



A Pygocentrus nattereri (Kner). 



A Pygopristis serrulatus Cuvier & Valenciennes. 

 AS Serrasalnio marginatits Valenciennes. 



A Serrasalnio spilopleiira Kner. 



A Serrasalnio gyninogenys GUnther. 



A Serrasalnio hunicralis Cuvier & Valenciennes. 



A Serrasahno rJionibeus Linnaeus. 



* Metynnis niola Eigenmann & Kennedy. 

 A Metynnis hypsauchen Miiller & Troschel. 

 A Myleus asterias Miiller & Troschel. 



A Piaractus bracJiyponius (Cuvier). 

 A Mylossonia aureus (Agassiz). 

 A Mylossonia albiscopus Cope. 



* Myleus levis Eigenmann & McAtee. 

 A Charax gibbosus Bloch. 



* Charax squaniosus Eigenmann & Kennedy. 



' This species at Santa Cruz and Paraguay. 



