370 



ILLUSTRATIONS OF THE 



now occupied by the fea. When at Plyraou 

 for inftance, the Tamer and the Plym flowed 

 the level of Mount Edgecombe or of Stai 

 Heights, rf the rivers ran with a moder 



F 



declivity into the fea, the coaft muil hi 



advanced many miles beyond its prefent li 

 Thus the land, when higher, was alfo more ( 

 tended, and the limits of our ifland in that ; 

 cient ftate, were doubtlefs very different fr 

 thefe by which it is at prefent circumfc 

 bed. 



If with the fame views we confider any 

 ther of the bold coalls which the map of i 



world prefents us with, we fhall quickly rema 

 that wherever a deep interfedion of the fea 

 made into the land, as on the weftern Ihores 

 our own ifland, or on thofe of Norway, a ri 

 runs in at the head of it, and points out by wl 

 means fuch inlets are formed, viz. by the unii 

 powers of the fea and of the land, the waters 

 the latter having opened the way by wh; 

 thofe of the former have penetrated fo far ii 



the country. 



5 22. It is not meant aflTuredly to deny 1 

 irregularities of the fea-coaft, as it may hi 

 originally exifted ; thefe irregularities no do\ 

 determined the initial operations of that wa 

 and decay, by which, in procefs of time, tr 

 were themfelves entirely effaced. The line 



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c 



