190 BUEIAL OF THE EEMAINS CHAP. IV. 



Sept. 18th ; 43 fresh holes, 8 castings ; all 

 defaced. 



The number of castings on the surrounding 

 fields was now very large 



Sept. 19th; 40 holes, 8 castings; all 

 defaced. 



Sept. 22nd. ; 43 holes, only a few fresh 

 castings ; all defaced. 



Sept. 23rd ; 44 holes, 8 castings. 



Sept. 25th ; 50 holes, no record of the 

 number of castings. 



Oct. 13th ; 61 holes, no record of the 

 number of castings. 



After an interval of three years, Mr. Farrer, 

 at my request, again looked at the concrete 

 floor, and found the worms still at work. 



Knowing what great muscular power worms 

 possess, and seeing how soft the concrete was- 

 in many parts, I was not surprised at its 

 having been penetrated by their burrows; 

 but it is a more surprising fact that the 

 mortar between the rough stones of the thick 

 walls, surrounding the rooms, was found by 

 Mr. Farrer to have been penetrated by worms. 

 On August 26th, that is, five days after the 

 ruins had been exposed, he observed four 



