Another dilapidated chapel, now used as a barn, is situated within the oval camp of Chisbury, near Great Bedwyn, Wiltshire. This earthwork, which has double, and in some parts treble, lines of trenches, is described by Sir R. Colt Hoare as one of the finest specimens of castrametation in England. One rampart is 45 feet in height. The existing ruins represent a Decorated fabric which was dedicated to St Martin, but Mr A. H. Allcroft, in his _Earthwork of England_, suggests that a church was erected here after the drawn battle between Wessex and Mercia in A.D. 675. On the hill above Standish Church, Gloucestershire, is a somewhat notable camp. Although it is said that the ditches were deepened during the Civil War, and although Roman coins have been dug up in large numbers[49], it is conceived that the camp was originally British. On the height just above Gunwalloe Church, Cornwall, is a “cliff castle”--one belonging to the Group A, as defined by the Congress of Archaeological Societies in 1903[50]. Such earthworks are inaccessible along a portion of their boundaries, on account of the presence of cliffs or water. The site of the church of St Dennis, also in Cornwall, is associated with a “hill castle[51],” which is assigned to the Group B. In this class, the earthwork follows the contour of the hill. Another contoured camp, much disturbed and defaced, is situated on St Anne’s Hill, near Midhurst Church, Sussex[52], while a small circular fortification may be seen to the west of the churchyard of South Moreton, Berkshire[53]. Coldred Church, Kent, was built actually within a fortress, conjecturally of Romano-British date[54], though the elevation of the earthwork is rather exceptional for that period, being about 370 feet above the sea-level, and 50 feet above the valley towards the west. Again, at Kenardington, also in Kent, an earthwork of unknown age, now much mutilated[55], surrounded the graveyard and part of the neighbouring fields. The so-called Dane’s Camp (Group B) at Cholesbury, Bucks., 600 feet above the sea-level, encircles the church of St Lawrence with its embankment[56]. Another St Lawrence, at West Wycombe, in the same county, is built inside a ring earthwork (Group B), which crowns the hill. This fort, probably of British construction, is remarkable for its double-terraced defences, and for the manner in which it commands three converging valleys[57]. A somewhat similar example was once visible at Brownsover, near Rugby, where, a century ago, the church and village were enclosed within elaborate entrenchments. These represented a fortress, constructed on a ridge which overlooked the valleys of the Avon and the Swift. The fort was probably prehistoric, although a cinerary urn, found in the churchyard, was identified as Roman.