﻿Plate 
  57. 
  — 
  Metal 
  tools 
  and 
  ornaments 
  from 
  prehistoric 
  Peru, 
  a, 
  Mace 
  head 
  of 
  

   copper 
  or 
  bronze; 
  b, 
  knife 
  of 
  copper 
  or 
  bronze; 
  c, 
  gold 
  tweezers; 
  d, 
  gold 
  tweezers 
  

   with 
  handle; 
  e, 
  silver 
  crown 
  or 
  headpiece. 
  Specimens 
  a, 
  b, 
  Inca 
  style, 
  from 
  

   vicinity 
  of 
  Tiahuanaco; 
  c, 
  d, 
  from 
  lea 
  (period?); 
  e, 
  from 
  Chimbote 
  (period?). 
  

   (Respective 
  heights: 
  a, 
  5 
  inches 
  (12.5 
  cm.); 
  b, 
  6 
  inches 
  (15 
  cm.); 
  c, 
  2 
  inches 
  (5 
  

   cm.); 
  d, 
  4H 
  inches 
  (11.2 
  cm.); 
  e, 
  13^ 
  inches 
  (34 
  cm.)). 
  (After 
  Schmidt, 
  1929, 
  

   pp. 
  388, 
  369.) 
  

  

  