The envelope is separated from the keep or citadel by a broad intermural ambulatory, extending entirely round; a second entrance of fine proportion opens a communication with the inner court, beneath a spacious castellated building, the ground plan of which may yet be distinctly traced. This is a level area one hundred and ninety feet square, from the four corners of which small triangles are cut off by the enclosing wall. On the north-west side of the court, projecting from the curtain wall, stands a stately edifice, spiritedly and gracefully designed. The front consists of two stories; the upper adorned with five pointed windows of large dimensions, furnished with architraves of cut stone, and lighting the great council hall, which measures seventy feet in length: the basement is pierced by four smaller windows and the principal entrance door, while the whole is terminated by two beautiful round towers, with tapering bases, in the style of modern architectural pavilions. A ground plan precisely corresponding with that of the council hall may be traced amidst the ruins on the opposite side of the court, but how far their decorations resembled each other must continue to be matter of conjecture. To all these ancient castles a chapel is uniformly found attached, a circumstance which some historians attribute to the superstition, others, more charitably, to the piety of our ancestors. The little ecclesiastic edifice included within the walls of this castle rather argues the possession of the latter quality, from its unostentatious style and circumscribed dimensions. The walls and roof are still entire, the former decorated with pointed recesses, and the latter groined and supported by ribs springing from pilasters; while three lancet-windows, or rather loop-holes, at the eastern end, appear to have been the only means for the admission of light, that this modest little oratory ever possessed. From the thickness of the wall surrounding the inner court a gallery is gained, by means of which communication is preserved with every part of the citadel, and several square apertures, opening into recesses in the side walls of the gallery, are conjectured, by Grose the antiquarian, to have been the mouths of so many dungeons, yawning for their prey. Part of the inner area is desecrated into a tennis court: desecrated, for a ruin is a sacred thing, rooted for ages in the soil, identified with it, and considered as a work of nature rather than of art. It is a deposit, of which the very proprietor is esteemed but the guardian, for the amusement, admiration, and instruction of posterity. HOLYHEAD CHURCH.