170 



PROTECTION AGAINST INSECTS. 



Outside. Inside. 



Figs. 64 and 6,>. Nesting-box for Starlings, Wagtails. Wrynecks. 



Fig. 66. Nesting-box for the Flycatcher. 



Fig. 67. Inner view of a box with 

 several compartments for a number 

 of Titmice or similar birds. 



\ I:VITM;-|!OXI s or WOOD. 

 Thejiyurcis reduced to ^ of the natural size. 



