NO. 1556. LIST OF CHARACIN FISHES— EIGENM ANN AND OGLE. 



33 



the niaxillaiy in the adult extending beyond tlie e3^e; maxillary 

 with a series of nearl}" equal, conical teeth; preniaxillary with a 

 canine at each end and a double series of small teeth between, of which 

 the inner series is composed of two teeth ; mandible with a single series 

 of teeth which are small, conical along the sides and larger on its 

 anterior half, four of which are canines. One of these is near the 

 front, 1)ut lateral to the anterior premaxillar}' canhie; another, the 

 smallest of the series, is directed outward more than the rest and 

 nearly half wa}^ to the third, which is the largest, received in a 

 groove of the upper jaw in front of the posterior premaxillary 

 canine; the last is about as far back of the posterior premaxillary 

 canine as the last mentioned is in advance of it. 



This subgenus includes, besides the type, the squamosus Eigenmann 

 and Kennedy, the caliurusi and ntratoensis of Eigenmann, and probably 

 the amazonus of Giinther. 

 Charax limsesquamis Cope. 



No. 44835 (part). One specimen, Marmcra River, Bolivia, Gibbons 

 collection. 



No. 1694. One specimen, Paraguay, Page collection. 



VUi. 7. — CHAKAX SQIIAMOSUS. 



Charax squamosus Eigenmann and Kennedy. 



No. 44837. One specimen, La Plata, Argentina, collected by S. S. 

 Brooks. 



Charax atratoensis Eigenmann, new species. 



Type— Cut. No. 1604, U.S.N.M. Specimen 300 mm. to end of lat- 

 eral line, Truando, Colombia, Michler and Schott collection. 



Cottjpe.—^o. 1604, U.S.N.M. Specimen 217 mm. to end of lateral 

 line, Truando, Colombia. 



This species greatly resembles Cynopotamus inagdaloix.^ but has 

 onlv a single series of teeth in the lower jaw and the cheeks are not so 

 completely covered by the suborbitals. It is allied to C. s^juamosus, 

 Proc. N. M. vol. xxxiii— 07 8 



