These remains are in a tolerable state of preservation, and are composed of a central tower, 18 metres high, surrounded by four turrets, and flanked by two other towers connected together by galleries. At the top are four immense heads in the Egyptian style; and every available space is filled with sculpture. At the foot of the great tower is a passage for carriages; and on each side of it are doors and staircases communicating with the walls, the whole building being constructed of sandstone. The outer wall is composed of blocks of ferruginous stone, and extends right and left from the entrance. It is about 24 miles square, 3 met. 80 centimet. thick, and 7 met. high, and serves as a support to a glacis which rises almost from the top. At the four cardinal points are doors, there being two on the east side. Within this vast enclosure, now covered with an almost impenetrable forest, are a vast number of buildings, more or less in ruin, which testify to the ancient splendour of the town. In some places, where the heavy rains have washed away the soil, or where the natives have dug in search for treasure, may be seen immense quantities of porcelain and pottery. PREA SAT LING POUN. Within the enclosure of Ongcor Thôm, and two miles from the west gate, are to be seen through the trees the tops of the high towers of a building called by the Cambodians “Prea sat Ling poun,” that is to say, “The Pagoda where they play hide and seek.” It is a collection of 37 towers of unequal size, connected by galleries which cross each other perpetually, and form a labyrinth through which it is not easy to find one’s way. A long shallow ditch, crossed by four roads leading to the principal entrances, surrounds it on all sides. Beyond the ditch rises the wall of a gallery, of which the exterior colonnades and the roof are only a mass of ruins, over which you must climb to reach the interior. This wall is still intact: it is about 120 metres long, and forms a square round the pagoda. About 1 metre from the ground are visible, in places where the blocks fallen from the roof have not hidden everything, various bas-reliefs carved in the thickness of the wall: they are not surmounted by cornices as at Ongcor-Wat, by which it would seem as if they had never been finished. Besides the four principal entrances there were other doors at unequal distances in this gallery, but singularly enough many of them have been walled up. The gallery was connected with the main body of the building by four smaller ones opposite each of the great doors, and forming a covered way to the interior; but all these galleries are destroyed. The second enclosure is 65 metres square, and each front is composed of five towers, connected by galleries. The central and corner towers are the largest: they are about 13 metres high. High galleries connect the centre tower with the intermediate ones, which again are connected with those at the corners by galleries of a less elevation.