Notwithstanding the many attacks and injuries the structure has sustained, its remote situation has preserved the monastic buildings in a more complete state than in most of our old abbeys. The edifice, as it now stands (Fig. 737), consists of the usual cloister court (about 45 feet square), having the church on the north side and the chapter house beyond the east range. The monastery has the remarkable peculiarity of having had the buildings surrounding the cloister constructed so as to contain on the ground floor nothing but the cloister walk, and on the upper floor, above the ambulatory, the refectory, dormitory, and other domestic apartments of the canons. The cellars, stores, and other offices have been erected in a wing to the south-east. A detached building to the north of the church, now in ruins, was possibly the infirmary. To the west of the monastery lay the garden, which is enclosed with a wall. The well, which is sunk on the south of the garden, is built round with ashlar, is 50 feet deep, and contains a supply of good fresh water. A strong retaining wall runs along the north side of the buildings next the sea, and encloses the monastery on that side. A very interesting relic of the original eremitical occupation of the island still survives at the north-west angle of the garden. This is a small cell covered with a pointed vault, the true importance of which was first pointed out by the late Sir James Y. Simpson,[123] who drew attention to it as the cell of the Columban recluse who occupied Inchcolm at or before the unexpected visit of Alexander I. It consists (Fig. 738) of an irregular stone building, measuring internally 15 feet 7 inches in length on the north side and 17 feet on the south side, by a width of 6 feet at the east end and 5 feet at the west end. The height from the floor to the spring of the arch is 4 feet 8 inches, and to the crown of the arch 8 feet. The cell is covered with a pointed barrel vault, the arch of which is composed of radiating stones, and is covered with stone flags, which form a curved roof on the exterior. The form of the arch indicates that the vault is not of the most ancient type of Celtic building, in which the arch consisted not of radiating, but of overlapping, stones pushed out horizontally over each other till they met with a flat stone in the centre.[124] The doorway, however, which is at the south-west angle, presents on the interior some appearance of the latter form of construction (Fig. 739),[125] while on the exterior (Fig. 740) it is formed with a round radiating arch. There is one small square-headed window in the east end, 13 inches in width and 24 inches in height, the jambs of which are in single stones, without moulding or chamfer. In the south wall there is a rude ambry, 12 inches wide and 17 inches deep. [Illustration: FIG. 737.--The Abbey of Inchcolm. Plan of Ground Floor.]