BUILDINGS 



307 



FIG. 74. 



Fio. 75. 



Fio. 73. Ground plan of Maryland piggery. Note gates, which, when swung back, 

 close the pies in the beds and allow a cart to be driven right through the pen for cleaning out. 



Fio. 74. Cross-section of Maryland piggery. Note difference in floor levels. . The 

 feed bin is 2 feet wide at the bottom, 2 feet 6 inches at widest part, and 2 feet 10 inches 



hlgh F?o Xt 75 F^nt e elevation of Maryland piggery. It is boarded to a height of 5 feet from 

 the ground, and the remaining space left open. 



