﻿436 
  ANNUAL 
  REPORT 
  SMITHSONIAN 
  INSTITUTION, 
  1943 
  

  

  Figube 
  1.— 
  Distribution 
  in 
  historic 
  times 
  of 
  South 
  American 
  Sierral, 
  Silval, 
  and 
  

   Marginal 
  culture, 
  and 
  southern 
  limit 
  of 
  agriculture. 
  Apart 
  from 
  the 
  areas 
  in- 
  

   habitated 
  by 
  the 
  Marginal 
  peoples 
  designated 
  on 
  the 
  map, 
  nearly 
  all 
  the 
  territory 
  

   east 
  of 
  the 
  eastern 
  limit 
  of 
  Sierral 
  culture 
  and 
  north 
  of 
  the 
  southern 
  limit 
  of 
  

   horticulture 
  has 
  in 
  historical 
  times 
  shared 
  the 
  Silval 
  culture. 
  

  

  