from the coast northwards to the most easterly of the islets, and the only unprotected side of the harbour being thus securely closed. There is reason to believe that this work was completed anterior to the time of Alexander,[412] and was therefore due to the Phoenicians themselves, who were not blind to the advantages of closed harbours over open roadsteads. They seem also to have strengthened the natural barrier towards the north by a continuous wall of huge blocks along the reefs and the islets, portions of which are still in existence. Besides this excellent harbour, 500 yards long by 200 broad, Sidon possessed on the southern side of the peninsula a second refuge for its ships, less safe, but still more spacious. This was an oval basin, 600 yards long from north to south, and nearly 400 broad from east to west, wholly surrounded by land on three sides, the north, the east, and the south, but open for the space of about 200 yards towards the west. In fine weather this harbour was probably quite as much used as the other; it was protected from all the winds that were commonly prevalent, and offered a long stretch of sandy shore free from buildings on which vessels could be drawn up. It is impossible to mark out the enceinte of the ancient town, or indeed to emplace it with any exactitude. Only scanty and scattered remains are left here and there between the modern city and the mountains. There is, however, towards the south an extensive necropolis,[413] which marks perhaps the southern limits of the city, while towards the east the hills are penetrated by a number of sepulchural grottoes, and tombs of various kinds, which were also probably outside the walls. Were a northern necropolis to be discovered, some idea would be furnished of the extent of the city; but at present the plain has been very imperfectly examined in this direction. It is from the southern necropolis that the remarkable inscription was disinterred which first established beyond all possibility of doubt the fact that the modern Saïda is the representative of the ancient Sidon.[414]