288 



POULTRY PRODUCTION 



or double pitch (Fi.i^mre KiO), the combmation (Figure 102), 

 ami the lialf monitor (Figure 143). 



Fig 103 



Showing rrjetliorl of uiiitiut; coldiiy liims.'s. ( < 'ourtc-sj- 'j[ Gnriiell 

 A^riciihiiral t^xiiciiinriit Station.) 



Fig. 161 



Large i>orla,blo colony houses, having window for a dust bath. (Courtesy 

 of Kansas Agricultural E.xperiment Station. 



The full monitor is sometimes used where prevailing winds 

 make it desirable to build a continuous house, running north 



