BROILERS AND ROASTERS. 



An Incubator Cellar, Banked to Eaves. 



under ground provides most economically the conditions 

 most favorable to the control of temperature, and to keep- 

 ing the incubators in operation as far as possible from the 

 effects of atmospheric changes or other external influences 

 which might affect incubation. 



Two illustrations of incubator cellars representing com- 

 mon plans are given herewith. These give external views 

 of the cellars. It hardly seems necessary to give a diagram 

 of the ground plan. In the first illustration the cellar, in 

 a side hill, is banked up quite the full height of the walls. 

 In the other, the cellar is built into a sort of natural curve 

 in a bank, the north and west walls being wholly below the 

 ground, while on the east and soifth side's the level of the 

 ground outside is only about two feet above the cellar floor. 

 Exact comparisons of the merits of the different cellars, as 

 affected by the differences in construction, would be diffi- 



