The value of the manor of Eye had gone up since the Conquest from £15 to £21. This must have been due to the castle and to the market which Robert Malet or his son William established close to the castle; for the stock on the manor and the number of ploughs had actually decreased.[453] A proof that there is no deliberate register of castles in Domesday Book is furnished by the very careful inventory of the manor of Eye, where there is no mention of a castle, though it is noticed that there are now a park and a market; and it is only in the account of the lands of the bishop of Thetford, in mentioning the injury which William Malet's market at Eye had done to the bishop's market at Hoxne, that the castle of Eye is named. GLOUCESTER.--"There were sixteen houses where the castle sits, but now they are gone, and fourteen have been destroyed in the _burgus_ of the city," says Domesday Book.[454] Gloucester was undoubtedly a Roman _chester_, and Roman pavements have been found there.[455] The description in the Survey would lead us to think that the castle was outside the ancient walls,[456] though Speed's map places it on the line of the wall of his time, which may have been a mediæval extension. The castle of Gloucester is now entirely destroyed, but there is sufficient evidence to show that it was of the usual Norman type. There was a motte, which was standing in 1819, and which was then called the Barbican Hill;[457] it appears to have been utilised as part of the works of the barbican. This motte must originally have supported a wooden keep, and Henry I. must have been the builder of the stone keep which Leland saw "in the middle of the area;"[458] for in 1100 Henry gave lands to Gloucester Abbey "in exchange for the site where now the keep of Gloucester stands."[459] The bailey had previously been enlarged by William Rufus.[460] Possibly the _framea turris_ or framework tower spoken of in Henry II.'s reign may refer to the wooden keep which had been left standing on the motte.[461] The walls of Gloucester Castle were frequently repaired by Henry II.,[462] but the word _murus_ by no means implies always a stone wall, and it is certain that the castle was at that time surrounded by a wooden stockade, as a writ of a much later period (1225) says that the stockade which is around our castle of Gloucester has been blown down and broken by the wind, and must be repaired.[463] Wooden bretasches on the walls are spoken of in the _Pipe Rolls_ of 1193, and even as late as 1222.[464] The value of the city of Gloucester had apparently risen at the time of the Survey, though the entry being largely in kind, T. R. E., it is not easy to calculate. [Illustration: FIG. 18. Hastings, Sussex. Huntingdon.]