The "watching chamber" belongs to the turn of the fifteenth century, and may have been erected in 1500, under the patronage of Archbishop Morton, the inventor of "Morton's fork," who died in that year, having been Chancellor of the University, and a great benefactor of it. The stone altar-tomb is of rather earlier date than the wooden superstructure, and bears the matrices of two brasses, from which one can make out enough of the horned head-dress of the female figure to settle the costume as one that remained in fashion till about 1480. In 1889 Mr. Park Harrison explored the interior of the tomb which forms the lower portion of the "watching chamber." Entrance was effected by the removal of two steps of the staircase which leads into the Latin Chapel, and the whole space beneath the stone slab was found to be packed with carved stones and rubble. The pretty battlemented coping, which is now happily placed on the sill behind the altar of the Latin Chapel, was thus found; and also a pillar piscina of Norman date, and a fine Early English piscina, with two trefoiled arches, divided by a slender shaft with foliated cap, and profusely enriched with the tooth ornament. This latter find can now be seen lying on the slab itself. By an accident it was discovered that what seemed to be the floor of this tomb was really the ceiling of a vault beneath. The pavement was opened in the Latin Chapel just outside the tomb, and steps were found which led to the vault through a flat four-centred doorway. In the vault was a single oak coffin, widest at the head and tapering in a straight line to the foot, like the stone coffins of an earlier period. It was apparently of fifteenth century date, and contained a body closely swathed in cerecloth; but after the coffin was opened the dust within the cerecloth rapidly subsided. The body was pronounced by experts to be that of a woman about five feet six inches in height, and was probably that of the lady in the mitred head-dress whose brass can be traced on the altar-tomb. [Illustration: LADY MONTACUTE'S TOMB.]