32 



PROCEEDINGS OF THE NATIONAL MUSEUM. voi. xxxm. 



Bramocharax bransfordii ( Gill) . 



No. 16885. Three specimens, Lake Nicaragua, l^ransford collection. 



5^Y 



Fig. 6. — Bramocharax bransfokdii. 



Boeboides g'uatemalensis Gunther. 



No. 39958. Two specimens, Rio San Juan, Nicaragua, collected by 

 T. L. H. Birt. 

 Roeboides prog-nathus ( Bouleng-er ) . 



No. 1619 (part). Paraguay, Page collection. 



No. 44835 (part). Marmora River, Bolivia, Gibbon collection. 



Roeboides myersii Gill. 



No. 21426. One specimen, Napo or Maraiion River, Brazil, Orton 

 collection (i). One of the types. 

 Roeboides xenodon Reinhardt. 



No. 44962. One specimen, Rio das Velhas, Brazil. 

 Cynopotamus argenteus Valenciennes. 



No. lt'>19 (part). One specimen, Paraguay, Page collection. 

 Cbarax sanguineus (Cope). 



No<-8^^55r Four specimens, Napo and Maranon rivers, Brazil, Orton 

 /collection. 

 Charax gibbosus Linnaeus. 



No. 1603. One specimen, Guiana, collected by J. AVyman. 



No. 1619 (part). Three specimens, Paraguay, Page collection. 



Subgenus C YRTOCH^RAX ITowler. 



Type. — Anacyrtus limsdsquam.is Cope. 



This is a subgenus of Charax., proba))ly synonymous with Cynoiw- 

 tamus., and was described by Fowler" as a new genus with the 

 character "scales rough, very small or about 100 in lateral line. 

 No palatine teeth." It may further be described as compressed, 

 elongate, of moderate depth; dorsal near middle of body over 

 the origin of the long anal; pectoral overlapping ventral; dorsal 

 profile gibbous on occiput, concave in front; mouth large, oblique, 



«Proc. Acad. Nat. Sci. Phila., 1906, p. 454. 



