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HUTTONIAN THEORY 



of the fea is not general, and as the contrary is 

 obferved in the north feas, as already proved, 

 this hypothefis will not explain the apparent rife 

 in th.e level of the Hadriatic. 



r 



396. Though a local fubfidence, or fettling of 

 the ground, could hardly account for this change^ 

 the pavement being perfed in its level, and the 

 walls of the cathedral without any (hake, yet a 

 fubfidence that has extended to a great tradt, as 

 to the whole of Italy, if the mafs moved has 

 continued parallel to itfelf, and changed its place 

 flowly, will agree very well with the appearances* 

 The fads here ftated are alfo the more defer- 



r 



r 



ving of attention, that about Ravenna, the land, 

 at the fame time that it has funk in its level, 

 has extended its furface, and has encroached on 

 the fea. Since the time of Augustus, the line of 



the coaft 



.uLandlwifill three mi: 



been carried farth 



by about 



This laft is the undoubted efFed: 



of the degradal 

 and here we h 



f th 



land by th 



ry clear evidence of the 



for 



both under and above the furfa 



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ducing their refpedive effeds at the fame time, 



while the furface is raifed by earth 



that 



brought down by the rivers, every given point 



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* Manfredi, z5id: 



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