The City of the Pterians. 121 scheme or true archway, The door belonging to this passage opened into the moat, and is still in good preservation ; whilst the hinge sockets are as good as if cut but yesterday (well seen in Figs. 306, 307). But the arch at the back of the huge lintel has given way, and the stones are strewing the ground. Fig. 304. — Subterraneous Passage. Trans- , verse Section. Per ROT, Exploration^ torn. i. p. 329, Fig, 305. — Subterraneous Passage, Exploraiioti, p. 329. The restoration of the entrance was achieved by measuring the actual blocks of which it formerly consisted (Fig. 308). This passage may be entered through the hole left by the falling stones, and which can be followed for about 45 m., on a deep incline, with direction from south to north, until it is met by the Fig. 306. — Entrance to Subterraneous Passage. Pkrrot, Exploration, p. 329. ^1, ea Fig. 307. — Subterraneous Passage. Plan of Entrance. Perrot, p. 329. wall. In our second visit to this curious gallery, which calls to mind similar structures at Tiryns (save that here it is 15 m. longer and built of smaller stones), we discovered its inner outlet hidden behind the rampart ; a shrubbery may have concealed the exterior one. At the other end of the passage, we noticed remains of foundation walls, consisting of cyclopaean blocks, which doubt-
