DEPARTMENT OF AGRICULTURE. 



against the screw-hook, which stops the same from swinging outward. Inside, the 

 trigger resting upon the stop-block prevents the door from swinging inward. Thus 

 the door is held intact until the operator wishes to release the hen. 



A combination-pitch house showing the raised walk scheme for visitors, 

 is very helpful when cleaning out the house. 



This walk 



The tier form of nest has no back to it. thus it can be set against or hooked on 

 the side-walls or partitions of the house. In the cuts a wire and a wooden dour 

 are shown. One is as serviceable as the other, but the wooden door is less expensive 

 and requires less time to build. 



