﻿Smithsonian 
  Report, 
  1943. 
  — 
  Cooper 
  

  

  Plate 
  4 
  

  

  The 
  Lighter 
  Side 
  of 
  Life. 
  

  

  Upper, 
  a 
  wrestling 
  match, 
  among 
  the 
  marginal 
  Bororo, 
  of 
  Matto 
  Grosso, 
  Brazil. 
  (Courtesy 
  Vincenzo 
  

  

  Petrullo.) 
  

   Lower, 
  Yagua 
  boy, 
  of 
  northeastern 
  Peru, 
  with 
  pet 
  monkeys. 
  (Courtesy 
  Paul 
  Fejos.) 
  

  

  