Chap. IV. OF ANCIENT BUILDINGS. 



207 



The section shown in Fig. 12 was taken 

 in the centre of the Basilica, and though it was 

 5 feet in depth, the natural sub-soil was not 







Mould, 20 inches 

 thick. 



Rubble wi'h broken 

 t les, 4 inches thick. 



Black decayed wood, 

 in th.ckt'st pait 6 

 inches thick. 



J ravel. 



Fig. 11. 



Section in a block of buildings in the middle of the town of 

 Silchester. 



reached. The bed marked '' concrete " was 



probably at one time a floor ; and the beds 



beneath soera to be the remnants of more 



ancient buildings. The vegetable mould was 

 10 



