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inequalities of the ground, but was generally 10 feet wide.

The area inclosed by the innermost wall amounts to close on one and a half acres; the total amount included within the outer wall is about two and a half acres of ground.

The circumference is very much broken up, as is also the inclosed area, by considerable masses of protruding rocks. About these, within the camp, heaps of small stones had been piled up, forming cairns. The largest and most notable of these is at the south-west, and consists of a core of rock about which an immense accumulation of stones has been heaped. All these cairns were thoroughly explored. They covered no interments, and although they disclosed evidences that fires had been lighted against the rocks, and that people had camped there for a while, they showed no tokens of structural erection, as though they were ruinous huts built against the native rock. The huge cairn was removed with great labour, and revealed nothing whatever beneath it but one flint flake.

These cairns, there can be little doubt, were collections of stones for the use of the besieged, to serve as missiles, or for the repair of the walls.

Within the area of the camp are a few hut circles. One near the centre is double, and contained an incredible number of flint chips, a flint scraper, and a core from which flakes had been struck. The whole area is littered with flint chips that are brought up by the moles when making their burrows, and curiously enough not a single arrow-head or flake