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ILLUSTRATIONS OF THE 



been uniform during the period above mention- 

 ed, but that different ofcillations have taken 

 place ; fo that, from about the beginning of the 

 Chriftian aera, till fome time in the middle ages, 

 the fea rofe to be fixteen feet higher than at pre- 

 fent, from which height it has defccnded till it 

 became lower than it is now, and from that ftate 



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of depreffion it is now rifing again. Breillac in- 

 fers this from two fads, which he combines ve- 

 ry ingenioully with the preceding, viz. the re- 

 mains of fome ancient buildings, at the foot of 



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Monte Nuovo, five or fix feet above the prefent 



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level of the fea, in which are found the fhells of 

 fome of thofe little marine animals that eat into 

 Hone: And again, the marble columns of the 

 temple of Serapis, which are alfo perforated by 

 pholades, to the height of fixteen feet above 

 the ground. All thefe changes Breiflac afcribes 

 to the motion of the fea itfelf ; a fuppofition 

 which, as we have feen, cannot poffibly be ad- 

 mitted, fince nothing can permanently affed the 

 level of the fea in one place, which does not af- 

 fe6t it in all places whatfoever. 



399. Appearances, which indicate fuch alterna- 

 tions as have jufl been mentioned in the level of 

 the fea, are to be met with on fome other coafts. 

 In England, on the coaftof Lincolnfhire, the re- 

 mains of a foreil have been obferved, which are 



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