TRAIAN-GLAS, a township, in the parish of LLYWEL, hundred of DEVYNOCK, union of BRECKNOCK and county of BRECKNOCK, SOUTH
WALES, 12 miles (W. N. W.) from Brecknock; containing 625 inhabitants. On the west it is bounded by the Black Mountains on
the border of Carmarthenshire, across which the road from Llandovery to Trt.castle passes, and thence descends into a rich
vale near the head of the river Usk, which rises not far distant, and flows through the township; there are some agreeable
residences in the vale. The rateable annual value is £2870; the tithes have been commuted for a rent-charge of £248, of
which two-thirds are payable to the Precentor and Chapter of St. David's, and one-third to the vicar of Llywel. Three
Sunday schools, containing about 200 males and females, are gratuitously conducted by dissenters.