70 
Indiana University Studies 
Plate VI, 
Figure 1. Pterygoplichthys rnultiradiatus (Hancock). No. 17022, 390 
mm. Lake Rogoagua. 
Figure 2. Pterygoplichthys rnultiradiatus (Hancock) (ventral view of 
No. 17022). 
Figure 3. Pterygoplichthys rnultiradiatus (Hancock). No. 15353, 310 
mm. Cashiboya, Peru. Collector W. R. Allen. 
Figure 4. Pterygoplichthys rnultiradiatus (Hancock) (ventral view of 
No. 15353). 
