﻿Plate 
  150. 
  — 
  Projectile 
  points 
  from 
  the 
  Sierras 
  of 
  Cordoba 
  and 
  San 
  Luis. 
  Top: 
  

   Typical 
  bone 
  points. 
  Bottom: 
  Typical 
  stone 
  points. 
  (After 
  Aparicio, 
  1939, 
  

   figs. 
  13 
  and 
  14.) 
  

  

  