— FP ae 
PLATE 9. 
Fig. 1. Moenkhausia cotinho Eigenmann. 
11819 I. U. M. 55.5. Crab Falls, British Guiana. 
Fig. 2. Moenkhausia ceros Eigenmann. 
20955 M.C. Z. 50mm. (caudal broken). Type. Lake Hyanuary, Brazil. 
Fig. 3. Moenkhausia copei (Steindachner). 
118201.U. M. 55mm. Rockstone, British Guiana. 
