Fig. 11. 



Fig. 12. 



Fig. 11 — A temporary shelter-hut on a sand-bar near the great bend of the Uru- 

 bamba (see map, Fig. 8). The Machiganga Indians use these cane shelters during the 

 fishing season, when the river is low. 



Fig. 12 — Thirty-foot canoe in a rapid above Pongo de Mainique. 



