﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS, 
  VOL. 
  XX 
  PL. 
  I 
  

  

  Tegmina 
  OF 
  Species 
  of 
  Melanoplus 
  and 
  Phoetaliotes. 
  

  

  For 
  explanation 
  of 
  plate 
  see 
  page 
  407. 
  

  

  