FEOM THE EIO PARAGUAY. 37 



SO. Salminus maxillosus, C. & V. 

 Paraguay. 



81. XiPHORHAMPHOS FEROX, Gthr. 



Paraguay. 



82. Serrasalmo serrulatus, C. & V. 

 Paraguay. 



83. Serrasalmo spilopleura, Kner. 

 Descalvados and Paraguay. 



84. Serrasalmo humeralis, C. & V. 

 Descalvados and Paraguay. 



85. Myletes asterias, M. & T. 

 Descalvados. 



86. Mtletes brachypomus, Cuv. 

 Paraguay. 



87. Myletes ddriventris, Cuv. 

 Paraguay. 



88. Myletes hypsauchen, M. & T. 

 Descalvados. 



SCOMBRESOCIDiE. 



89. BeLONE TiENIATA, Gthr. 

 Descalvados. 



CLUPEIDiE. 



90. Engraulis oLiDUS, Gthr. 

 Paraguay. 



GYMNOTID^. 



91. Stern ARCHUS albifrons, L. 

 Descalvados, Matto Grosso. 



