44B 



ILLUSTRATIONS OF THE 



afforded him an opportunity of obferving, that 

 the ancient, and probably original, pavement, 

 was four feet and a half below the prefent, and 

 nearly a foot under the level of the fea at high 



water *. 



No 



h 



th 



church was built 



this cannot have been the pofition of the pave 



ment, relatively to 



level of the fea, for 



would have fubjeaed the floor to be under 



ter twK 

 done fo 



ty-fpur h 



and muft have 



more 



time (the beginning c 



walls of Ravenna were walhed by the fea 



oidably, becaufe at that 

 f the 5th century) the 



The 



fad that this pavement 



nder the high 



mark, by the quantity juil mentioned, was afcer- 

 tained by adual levelling. This refult was con- 

 firmed by fimilar fads, pbferved by Xendrinj 



at Venice. 



395. Manfredi himfelf attributes all this to the 



elevation of the furface of the fea, and has enter- 



what 



ed into a long calculation to afceytain at 

 rate that furface may be fuppofed to rife, on ac- 

 count of the earth and fand brought down by 

 the rivers, and fpread out over the bottom of 



But as the fad of the rife of the level 



the fea 



of 



* Commentarii Academiae Bononleniis, torn, ii 

 pars ima, p. 237, &c. and pars ada, p. i. &c. 



ftbe 











tlis 



v£ 



in 



the 



6. 



the gro 

 the pa^ 



alls 

 liiibfid 



c 



ill 

 10 



e 



the 



[ontini; 



lowly, 



The fa 



n 



of 



It the i 



as ex' 

 efea. 



i 



le coa 



n 



Iree 

 if the 



trees, 

 ing 



I 



M 



a 



