frusta of columns, a little farther on, which seem to correspond in size with this entablature, give some additional weight to the latter theory. These frusta are not finished; the circular shape is determined, and a smoothed ring on the edge of each frustum marks the intended size of the column, but the rest of the surface is rough, and the projections left as means to lift them into their places still remain. Farther on there are vestiges of very ancient walls below the foot of the rock, which may be traced at intervals more than half round the Acropolis; at the east end is a large cavern, which penetrates the rock to a considerable extent: it seems to be formed by the destruction of a loose breccia, which in some parts becomes a mere gravel. Turning round to the south side we meet with several ancient foundations composed of large blocks of Magnesian limestone. Just above the choragic monument of Thrasyllus, there are two detached columns, with triangular capitals, ornamented with leaves and volutes, but of little beauty; these are also testimonials of the same sort with that monument, and have supported tripods, as is shewn by the cramp-holes remaining at the top. In one of them a statue has probably at some period taken the place of the tripod, and the square pedestal placed on the abacus to receive it still remains. Below this monument is a large hollow, which is supposed to have contained the theatre of Bacchus, for it is now generally acknowledged, that what Stuart has published under that name, is the theatre of Herodes Atticus. The range of arches extending from the hollow to the latter building seems a very mixed production, with no very clear intimations of genuine antiquity. The Odeum, or theatre of Herodes, is partly of brick, and partly of Magnesian limestone. I shall not attempt to follow the order of place in the few remaining remarks I have to make on Athenian antiquities.