486 A TOUR ROUND NORTH WALES. 



It was here but a few yards acrofs, and it 

 glided fmoothly and filently along, re- 

 fleeting brightly the green impending fo- 

 liage of it's banks. 



I crofled the river before I came to the 

 village of Pen-y-ftrywad, and went up to 

 Caer-fws,* now a fmall hamlet, but for- 

 merly a Roman ftation of considerable 

 note, fituated on the bank of the Severn. 

 The lite of the encampment is yet difcern- 

 ible, being a quadrangular rampart, about 

 a hundred and fifty yards fquare. On the 

 north-weft fide are hollows, which were 

 probably part of the fofTes of the old pre- 

 cincts. In the fouth-weft angle of it were 

 dug up, about twenty years ago, fome Ro- 

 man bricks, which were ufed in building 



* The name Caer-fws is fuppofed by fome, to be 

 derived from Hefus, a Roman lieu tenant, which 

 was pronounced by the Britons, Caer-hefoos, and 

 by contraction, Caer-fws. See Camb. Reg. II. 379. 



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