PLATE 61. 



Fig. 1. Poptella longipinnis (Popta). 



I. U. M. Paratype. 50 mm. Dutch Guiana. 



Fig. 2. Astyanacinus moori (Boulenger). 



From a specimen in the Academy nat. sci. Philadelphia. 

 Fig. 3. Astyanax regani Meek. 



6257 F. M. 130 mm. Las Cafias, Costa Rica. 

 Fig. 4. Diapoma speculiferum Cope. 



From the Type in the Academy nat. sci. Philadelphia. 



