HOUSES FOR SITTERS. 



63 



attached to them are 7x9 in. The windows are 2x3 ft., 

 and are hinged, opening upwards for ventilation. In 

 hot weather the windows and doora in both ends of the 

 building are opened wide, and to prevent the fowls 

 escaping at the end where there is no yard, wire netting 

 is fastened across the window casings inside, and there 

 is an inside door of the same material hung to the stud, 

 to which the outside door is hinged. 



Figure 22 gives an interior view of the house. There 

 are four perches, each 15 ft. long, and of the width and 



FIG. 21. HOUSE FOR SITTERS. 



thickness of those for layers. They are placed 18 in. 

 higher than the top of the underpinning, those nearest 

 the nests being 3 1-2 ft., and those nearest the eaves 

 5 1-4 ft. from the center of the building. A space 2 1-2 

 ft, wide at each end of the room is left unoccupied by 

 the perches. Three tiers of nests occupy the center of 

 the room, each tier consisting of two rows placed back 

 to back, and running in the same direction as the 



