The outer narthex on the west of the two churches and the gallery on the south of the south church are covered with cross-groined vaults without transverse arches. The wall of the south church, which shows in the south gallery, formed the original external wall of the building. It is divided into bays with arches in two and three orders of brick reveals, and with shallow niches on the broader piers.

The exterior of the two churches is very plain. On the west are shallow wall arcades in one order, on the south similar arcades in two orders. The northern side is inaccessible owing to the Turkish houses built against it.

On the east all the apses project boldly. The central apse of the south church has seven sides and shows the remains of a decoration of niches in two stories similar to that of the Pantokrator (p. [235]); the other apses present three sides. The carved work on the window shafts is throughout good. An inscription commemorating the erection of the northern church is cut on a marble string-course which, when complete, ran across the whole eastern end, following the projecting sides of the apses. The letters are sunk and marked with drill holes.

Wulff is of opinion that the letters were originally filled in with lead, and, from the evidence of this lead infilling, dates the church as late as the fifteenth century. But it is equally possible that the letters were marked out by drill holes which were then connected with the chisel, and that the carver, pleased by the effect given by the sharp points of shadow in the drill holes, deliberately left them. The grooves do not seem suitable for retaining lead.

In the course of their history both churches were altered, even in Byzantine days. The south church is the earlier structure, but shows signs of several rebuildings. The irregular narthex and unsymmetrical eastern side chapels are evidently not parts of an original design. In the wall between the two churches there are indications which appear to show the character of these alterations and the order in which the different buildings were erected.

[PLATE XXXV.]

S. Mary Panachrantos.
East End of the South Church. 		S. Mary Panachrantos.
East End of the North Church.

To face page 132.

As has already been pointed out, the north side of the ambulatory in the south church, which for two-thirds of its length is of practically the same width as the southern and western sides, suddenly widens out at the eastern end and opens into a side chapel broader than that on the opposite side. The two large piers separating the ambulatory from the central part of the north church are evidently formed by building the wall of one church against the pre-existing wall of the other. The easternmost pier is smaller and, as can be seen from the plan, is a continuation of the wall of the north church. Clearly the north church was already built when the north-eastern chapel of the south church was erected, and the existing wall was utilised. As the external architectural style of the three apses of the south church is identical, it is reasonable to conclude that this part of the south church also is later in date than the north church. For if the entire south church had been built at the same time as the apses, we should expect to find the lateral chapels similar. But they are not. The vaulting of the central apse and of the southern lateral chapel are similar, while that of the northern chapel is different. On the same supposition we should also expect to find a similar use of the wall of the north church throughout, but we have seen that two piers representing the old wall of the south church still remain. The narthex of the south church, however, is carried up to the line of the north church wall.

The four column type is not found previous to the tenth century. The date of the north church was originally given on the inscription, but is now obliterated. Kondakoff dates it in the eleventh or twelfth century. Wulff would put it as late as the fifteenth. But if the view that this church was attached to the monastery of Lips is correct, the building must belong to the tenth century.