138 a(n:nual report Smithsonian institution, 1950 



data as to who collected and identified each species, where and why 

 they were collected, notes on abundance, and the synonymy as it 

 affects previously published data. 



FISHES (22) 

 Pimelodidae: 



Rhamdia wagneri (Giiiither). 

 Characidae : 



Astyanax ruherrimus Eigenmann. 



Brycon chagrensis (Kner). 



Bryconamericus emperador (Eigenmanu and Ogle). 



Compsura gorgonae (Evermann and Goldsborough). 



Gephyrocharax airicaudala (Meek and Hildebrand). 



Hoplias microlepsis (Giinther). 



Piabucina panamensis Gill. 



Roeboides guatemalensis (Giinther). 

 Synbrachidae: ,.. 



Synbranchus marmoraius Bloch. 

 Poecilidae: 



Brachyrhaphis cascajalensis (Meek and Hildebrand). 



Brachyrhaphis episcopi (Steindachner). 



Gambusia nicaraguensis Giinther. 



Molliensia sphenops (Cuvier and Valenciennes) 

 Cyprinodontidae : 



Rivulus brunneus Meek and Hildebrand. 

 Atherinidae: 



Thyrinops chagresi (Meek and Hildebrand). 

 Centropomidae: 



Centropomus parallelus Poey. 

 Cichlidae: 



Aequidens coeruleopunctatus (Kner and Steindachner). 

 Syngnathidae: 



Oostethus lineatus (Kaup). 

 Gobiidae: ■- 



, . Gobiomorus dormitor Lac^pede. 



Gobiomorus maculatus (Giinther). 



Leptophilypnus fluviatilis Meek and Hildebrand. 



. , REPTILES (62) 



Testudinata 



Chelydra acutirostris Peters. 

 Geoemyda annulaia Gray. 

 Geoemyda punctariola funerea (Cope). 

 Kinosternon posiinguinale Cope. 

 Pseudemys ornata Gray. 



Crocodilia 



Caiman fuscus (Cope). 

 Crocodylus acutus Cuvier. 



