510 



L. Richardson — River Development in Wales. 



a number of beheaded consequeat-brooks that flow into the east- 

 and west-running River Usk. The Usk runs eastwards, from the 

 foot of the dark towering Carmarthen Fan, past the Fans of Brecon, 

 and so into its broader valley at Crickhowel and Abergavenny. 



Sketch-map to show the river -distribution in Mid-South "Wales. The Towy-Bran 

 system is that about Llandovery. (For Llandridod read Llandrindod ; and for 

 Aberdew Hill, Aberedw Hill.) 



The River "Wye, that flows south-eastwards from lone Plinlimmon, 

 past Builth Wells, and down the deep Erwood Glorge, is suggestive of 

 what the early Severn-to-Coln river was like when its course was by 

 way of Upton-on- Severn, Tewkesbury, the line of the Swilgate, and 

 so through the Chelt Valley and into the present Coin. With 

 Newbridge-on-Wye occupying a corresponding site to Tewkesbury it 

 is not hard to picture in the Ithon the subsequent Stratford-on-Avon, 



Builth Wells corresponds in position to Dowdeswell in the Chelt 



