﻿PLATE 
  XLV. 
  

  

  • 
  

  

  f 
  

  

  ^ 
  

  

  

  4 
  "^^ 
  

  

  ■dam:. 
  ^ 
  

  

  ■%^i 
  

  

  •l-^^sv 
  

  

  DETERMINATION 
  OF 
  EMERGENCE 
  OF 
  LAC 
  LARV/E. 
  

  

  