LLANTHEW (LLAN-DDEWI), a parish, partly is the hundred of MERTHYR-CYNOG and partly in the hundred of PENCELLY, union and county of BRECKNOCK, SOUTH WALES, 1i mile (N. N. W.) from Brecknock; containing 817 inhabitants. This parish, which takes its name from the saint no whom the church is dedicated, was anciently a residence of the Bishops of St. David's, who had a castellated mansion here, which was in ruins in the time of Leland, who;deo speaks of a Lease belonging to the Archdeacon of Brecknock, that had likewise fallen into decay. During the Interregnum, the manor was seised by the parliament, and sold to David Morgan, Esq., but was recovered to the see of St. David's after the Restoration. The village is pleasantly situated on the river Honda), about a mile and a half above its confluenee with the Usk at Brecknock, and within half a mile of the high read from Brecknock to Hay, which intersects the parish: it compactly surrounds the church, the cemetery attached to which commands a delightful view of a rich landscape, bounded by the bold eminences ea the northern side of the Vale of Usk, and by the heights inclining the woody glen through which the Hondilii flows, the whole for the most part presenting a scene of high cultivation. The return of the rateable annual value of the whole parish. IMMOODUS to £1980, of which £1209 are for the portion in the hundred of PenceIly, and £771 for that in the hundred of Merthyr-Cynog. The Bishop of St. David's holds a court leet annually, at which his steward presides, and anciently a court baron was also held here, but this has brag been discontinued. The living is a perpetual curacy, endowed with £1000 royal bounty; net income, £89; patron and aPPrsPrietor, Archdeacon of Brecknock, whose tithes have been commuted for a rent- charge of 8.800, and who has a Oahe of 8 acres, valued at £20 per annum. The church, dedicated to St. Dewi, or David, and one of the oldest religious edifices in the county, is a cruciform structure, in the early style of English architecture, anciently spacious: from the intersection rises a low tower having a conical roof, erected in 1621: the windows are lancet-shaped, and appear to have been originally surmounted with handsome freestone mouldings. There is a Sunday school, for which books are furnished by subscription; and a poor woman of the pariah is eligible to be selected as one of the inmates of Mrs. Catherine Games's Hospital, in St. David's, Brecon. There are some remains of the chapel of the episcopal mansion, .con-listing of the side walls, in which are three pointed windows, and also of porticos of the end walls, in which are window& of the same form; there are likewise slight vestiges of other ports of the edifice, chiefly of outer walls. In 1188, Archbishop Baldwin, ied by Gimklus Cambreasis, when on his itioeir =Ugh Wales to preach the crusades, passed a night at this castle.