irapocr 

 I 



NEST/NG-BOX FOR FLICKER 



FIGURE A. Vertical cross section showing construction. (A) holes bored for 

 nails or screws used in securing box to post or tree trunk. 



FIGURE B. Front view showing method of fastening top in place by pushing 

 a round galvanized nail (B) in the hole on each side. Nails project far enough 

 to be removed by the fingers. Type of nesting-box used by E. H. Forbush. 



[22] 



