﻿.w 
  ,.- 
  

  

  Plate 
  107.— 
  Balsas, 
  Titicaca 
  region. 
  Top: 
  Pushing 
  a 
  small 
  fishing 
  balsa 
  through 
  

   shallow 
  water. 
  Bottom: 
  Making 
  a 
  balsa. 
  (Courtesy 
  Truman 
  Bailey.) 
  

  

  