AX EGG FARM. 



A transverse section of one of these covered yards is 

 shown in Fig. 28. In botli Fig. 27 and 28, the small 



FIG. 29. INTERIOR OF HATCHING HOUSE. 



crosses represent wire fences. In Fig. 27, the rooms, 

 m, m, are where the operator stands to work the trap- 

 setter and to control the layers' nests also, as mentioned 



