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 Bronllys Tower, Brecknockshire, 283 of Burf Castle, placed a mile and a half to the west on that record, but one side remains. It may be observed that the character of the surface of the country hereabouts is very favourable for the construction of these earthworks with mounds. There are scores of natural rounded hillocks of red sandstone that have an artificial aspect, and that, with a little scarping, would be strong. There is one, especially, close east of the road between Quatford and Dudmaston Park, that looks very like an English earthwork, and wants nothing but a ditch to make it perfect. Besides the earthworks above described are others in the district which appear to be of the same type. Such are Castle Hill, nine miles south-east from Bridgenorth, and the isolated knoll called " the Devil's Spittle Dish," two miles south-east of Bewdley. BRONLLYS TOWER, BRECKNOCKSHIRE. BRONLLYS TOWER, on the left bank of the Llyfni, a tributary of the Wye, is situate in the parish of the same name, close north of the town of Talgarth, on the regular and ancient way between Hereford and Brecknock. The tower occupies the summit of a mound or knoll of earth, in great part artificial, which crowns the steep bank of the adjacent river ; rising, perhaps, 60 feet above the stream, and 30 feet or so above the ground to the west of and behind the building. The mound is placed at the apex of an earthwork of rather a pear-shaped outline, of which the river-bank forms the steep east side, while to its base, or north face, has been applied a vallum nearly rectangular, and which may or may not be a Roman addition to a Celtic camp. The mound, which has borne the very considerable weight of the tower in safety, must be of considerably earlier date ; and altogether the work resembles much one of those numerous instances in which advantage has been taken of an earlier mound to give elevation to a Norman or early English keep. There are, however, it is said, remains of masonry, of the character and probable age of the tower, still standing upon a part of the vallum, and indications that, as is known to have been the case, the tower did not stand alone, but was within a base court. These walls are not now of any extent, and seem to be included within a modern house built upon the old enclosure. This tower is at its base 37 feet in diameter, and batters inwards to 12 feet high, when it is girt by a bold cordon or string-course, much eroded, but apparently of a half-round section, with a water- groove on its under side. Above this the tower is cylindrical, and