FIQ. 195. A colony house two stories high for laying hens. The nests and scratching 

 litter are on the ground. 



Fia. 196. 



FIG. 197. 



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Fia. 196. Movable chick brooder house heated by 

 FIQ. 197. Brooder house for raising incubator chicks. The Houdon chicks 

 have been raised in this house. 



