A TOUR ROUND NORTH WALES. 3 



and a hypocauft 'or furnace for heating a 

 fudatorium or fweating-room, which is flill 

 to be feen at the Feathers' Inn. The hy- 

 pocauft is the only part of the ftrudture 

 left; it is rectangular, and confifts of a 

 number of low pillars fupporting fquare 

 tiles, perforated for the paflage of the 

 warm vapour. 



After the Romans departed from Great 

 Britain in the fifth century, this place fell 

 under the government of the Britim princes, 

 with whom it remained till the year 603, 

 when it was wrefted from them by Ethel- 

 frid king of Northumbria. Brochwel 

 Yfcithroc king of Powes attempted to 

 oppofe him, but with an army compofed 

 chiefly of Monks, from the monaftry of 

 Bangor-is-coed not far diftant, depending 

 more upon the afliftance of Heaven than 

 in the manual ftrength of his army -, he 

 placed them naked and unarmed upon 

 an eminence, where Ethelfrid obferving 

 B 2 them 



