CHAPTEE XII. 



LEVELLLING AND LAYING OUT. 



352. Having selected, inclosed, drained, and mapped out the site for 

 Louse and garden, determined upon the lines 01 roads and principal walks, 

 and decided upon the leading features of tlie place, the next step is to operate 

 upon the ground itself ; and in this, if in anytliing, it is imperative that cor- 

 rect theory, or a clear perception of what is to be done, and how and why 

 ■we do it, should precede all practice, in order to avoid alterations during tho 

 progress of groimd-work, which are vexatious to the operator and ruinouslv 



L 2 . ' 



