﻿Smithsonian 
  Report, 
  1927. 
  — 
  Lincoln 
  

  

  Plate 
  5 
  

  

  1.— 
  The 
  Author 
  in 
  a 
  Large 
  Duck 
  Trap, 
  Successfully 
  Operated 
  in 
  the 
  

   Marshes 
  of 
  the 
  Illinois 
  River 
  

  

  Note 
  the 
  captured 
  mallards 
  gathered 
  in 
  the 
  rear 
  end 
  of 
  the 
  trap. 
  (Photograph 
  from 
  Biological 
  

  

  Survey) 
  

  

  2— 
  Duck 
  Trapping 
  Station 
  at 
  Lake 
  Merritt, 
  Oakland, 
  Calif. 
  

  

  Large 
  numbers 
  of 
  pintails 
  have 
  been 
  banded 
  at 
  this 
  station. 
  (Photograph 
  by 
  E. 
  W. 
  Ehmann) 
  

  

  