PLATE 12. 



(Mem. Carnegie Mus., 6, Plate 47.) 



Fig. 1. Moenkhausia shideleri Eigenmann. 



1012 C. M. 65 mm. Type. Bartica, British Guiana. 



Fig. 2. Moenkhausia browni Eigenmann. 



1004 C. M. 66 mm. Type. Aruataima Falls, British Guiana. 



Fig. 3. Moenkhausia grandisquamis (Miiller and Troschel). 

 1350 C. M. 100 mm. Crab Falls, British Guiana. 



