Memoirs Carnegie Museum, Vol. V. 



Plate LIV. 





::■-'■'. 



1. Holobrycon pesu (Muller and Troschel). 150 mm. I. I". No. 12,105. '-'. Brycon falcatus Mulleh and 

 Troschel. 225 mm. No. IMS. :;. Brycon siebenthala Eigenmann. (Type.) 204 mm. No. 1819. 



