FENCING. 



175 



which was at one time very much in use, but within late years it has 

 been seldom erected. This is to be accounted for by the introduction 



Fio. 59. 



FIG. 60. 



of wire for fencing purposes, which is not much seen, and is very 

 durable. Sunk fences are expensive, especially upon a level sur- 

 face, as the excavation of the soil comes to be a heavy item in the 

 expense. 



Fig. 61 is a view of an end section of sunk fence on a level surface. 

 The cutting of the excavation is commenced on the surface, about ten 



Fio. 61. 



feet wide, as from a on the sketch to the point behind the wall touch- 

 ing the earth ; this admits of an opening of about eighteen inches for the 

 wall at the top, and eight feet and a half between the front of the wall 

 and the opposite surface at a. The opening should be made six feet 

 deep ; this will admit of half a foot for the foundation of the wall, and 

 five feet six inches for its height. A level space should be left at the 

 bottom, of two feet between the front of the \%all and the bottom of the 

 slope, as shown at 6. 



The foundation of the wall should be laid with large flat stones, as at 

 c. The wall should be eighteen inches broad at the bottom, and four- 



