Memoirs Carnegie Museum, Vol. V. 



Plate XVI 



1. Leptodoras linnelli Eigenmann. (Type.) 52 mm. to dorsal. No. 1626. 2. Trachycorystes obscurus (Gun- 

 ther). (Type.) In British Museum. 3. Brachyplatystoma vaillanti (Cuvieb and Valenciennes). 80 nun. 

 1 id ween eyes. No. 1288. 4. Doras granulosus Valenciennes. Total length, 395 mm. Berlin Museum. Coll. 

 Schomburgk. 



