CHAPTER XI

A Family of Ariranhas--Attacked by them--Three Nasty Rapids--Beautiful Sand Beaches--Exciting Experiences--Going down a Thundering Cataract--Alcides' Narrow Escape--A Night's Work in the Midst of a Foaming Rapid in order to rescue the half-submerged Canoe--Filippe's Courage--Visited by a Snake 20 ft. long pp. 165-181