﻿Smithsonian 
  Report. 
  1943. 
  — 
  Friedmann 
  

  

  Plate 
  15 
  

  

  Bark-Resembling 
  insects. 
  

   (From 
  exhibit 
  in 
  the 
  U. 
  S. 
  National 
  Museum.) 
  

  

  