MUD AS A BUILDING MATERIAL. 



Ill 



we are so familiar with on the Assyrian sculptures. There is 

 the same repetition of crenelated wall and tower, and constructed 

 of the same material. I said to myself, " These men, in the pres- 



Fig. 1. Stone Door, Lasgird. 



ent day, are building an old Assyrian wall of fortification." 

 Such defenses must have begun at a very early date in Meso- 

 potamia, long before the sculptures were produced from which 

 we know what they were in appearance, and their construction 



VOL. XLI. 56 



