PLATE 16. 



Fig. 1. Moenkhausia diehroura (Kner). 



3699 C. M. 90 mm. Puerto Suarez, Bolivia. 



Fig. 2. Moenkhausia intermedia Eigenmann. 



3702 C. M. 60 mm. Salto de Avanhandava, Southeastern Brazil. 



Fig. 3. Moenkhausia lepidura hasemani Eigenmann. 

 3746 CM. 58 mm. Type. Santarem, Brazil. 



Fig. 4. Moenkhausia collettii (Steindachner). 

 3742 C. M. 55 mm. Maciel, Brazil. 



