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  Plate 
  9. 
  — 
  Peruvian 
  valley 
  and 
  desert 
  terrain. 
  Top: 
  Ancient 
  site 
  of 
  Pacha- 
  

   camac 
  situated 
  on 
  arid 
  hills 
  at 
  edge 
  of 
  fertile 
  Lurin 
  Valley. 
  (Courtesy 
  James 
  

   Sawders.) 
  Bottom: 
  Majes 
  Valley 
  with 
  desert 
  hills 
  in 
  background. 
  (After 
  

   Johnson, 
  1930.) 
  

  

  