PLATE 23. 
(Mem. Carnegie mus., 5, Plate 50). 
Fig. 1. Creatochanes caudomaculatus (Giinther). 
1385 C. M. 100mm. Tumatumari, British Guiana. 
Fig. 2. Creatochanes melanurus (Bloch). 
1393 C. M. 96mm. Malali, British Guiana. 
Fig. 3. Creatochanes affinis (Giinther). 
1407 C.M. 96mm. Tumatumari, British Guiana. 
Fig. 4. Hyphessobrycon eos Durbin. : 
1194 C.M. 36mm. Type. Creek near Potaro Landing, British Guiana. 
Fig. 5. Hyphessobrycon rosaceus Durbin. 
1190 C. M. 35mm. Type. Gluck Island, British Guiana. 
