the importance of their monastery," and moreover wanted shrine-room for the display of relics. The main body of Lanfranc's church was left standing, and is described as follows by Gervase. "The tower, raised upon great pillars, is placed in the midst of the church, like the centre in the middle of a circle. It had on its apex a gilt cherub. On the west of the tower is the nave of the church, supported on either side upon eight pillars. Two lofty towers with gilded pinnacles terminate this nave or aula. A gilded _corona_ hangs in the midst of the church. A screen with a loft (_pulpitum_) separated in a manner the aforesaid tower from the nave, and had in the middle and on the side towards the nave, the altar of the holy cross. Above the _pulpitum_ and placed across the church, was the beam, which sustained a great cross, two cherubim, and the images of St. Mary and St. John the Apostle.... The great tower had a cross from each side, to wit, a south cross and a north cross, each of which had in the midst a strong pillar; this pillar sustained a vault which proceeded from the walls on three of its sides," etc. Prof. Willis considers that as far as these parts of the building are concerned, the present fabric stands exactly on the site of Lanfranc's. "In the existing building," he says, "it happens that the nave and transepts have been transformed into the Perpendicular style of the fourteenth century, and the central tower carried up to about double its original altitude in the same style. Nevertheless indications may be detected that these changed parts stand upon the old foundations of Lanfranc." The building, however, was not destined to remain long intact. In A.D. 1174 the whole of Conrad's choir was destroyed by a fire, which was described fully by Gervase, a monk who witnessed it. He gives an extraordinary account of the rage and grief of the people at the sight of the burning cathedral. The work of rebuilding was immediately set on foot. In September, 1174, one William of Sens, undertook the task, and wrought thereat until 1178, when he was disabled by an unfortunate fall from a scaffolding, and had to give up his charge and return to France. Another William, an Englishman this time, took up the direction of the work, and under his supervision the choir and eastern portion of the church were finished in A.D. 1184. Further alterations were made under Prior Chillenden at the end of the fourteenth century. Lanfranc's nave was pulled down, and a new nave and transepts were constructed, leaving but little of the original building set up by the first Norman archbishop. Finally, about A.D. 1495, the cathedral was completed by the addition of the great central tower. [Illustration: PLAN OF CANTERBURY CATHEDRAL, ABOUT A.D. 1165.