74 ROCK GARDENS 



to place them in such a way that their thin 

 ends are uppermost. 



The object of placing the stones in this 

 manner is to separate up the fissure in such 

 a way that each of the divisions may form an 

 integral part of the whole and become com- 



Vertical Fissure. Vertical Fissure, 



Wrong Method of Building. Right Method of Building. 



Fig. 4. 



pressed as the soil sinks under the action of 

 the rain and its own weight. 



This indeed is the theory on which a 

 vertical fissure is built. It is, however, in 

 practice far from easy to carry out with any 

 degree of success, for it will generally be found 

 that, no matter how carefully it is made, nor 

 how tightly the stones are rammed into posi- 



