The city of Alexandria, named from its founder, Alexander the Great, has experienced many vicissitudes. The modern city is built on a peninsula, which was formerly the Island of Pharos, and on the isthmus connecting it with the mainland. The ancient city was on the mainland, where its ruins cover a vast extent of surface. Founded nearly three and a half centuries before the Christian era, it rose, under the liberal and beneficent sway of the Ptolemies, to great eminence as a seat of learning, as well as of commerce. Under the Roman Empire it continued to be a very splendid and influential city, second only to Rome herself, and engrossing the lucrative traffic with India. Its library was one of the wonders of the world--400,000 volumes being in the Museum, and 300,000 in the temple of Serapis. The former was accidentally destroyed by fire during the war with Julius Cæsar; and the latter was burnt by command of Caliph Omar, upon the Mohammedan conquest, in the year 640. After the discovery by the Portuguese of the route to India by the Cape of Good Hope, its commerce fell off, and its population dwindled to a few thousands. Gradually it revived again, and for a long time has been the most important commercial city of the Levant, with a very large foreign as well as native population. But, to return: On July 6th, 1882, Admiral Seymour sent an _ultimatum_ to Arabi and his council, which had the effect of stopping work upon the fortifications for a short time, and produced a promise that such work should not be renewed. But on the following night a powerful electric light, on board the ironclad Alexandra, of the English squadron, disclosed the fact that, under cover of the darkness, guns were being mounted on the forts commanding the entrance to the great port, or western harbor--there being two harbors, one east and one west of the isthmus. New guns were placed in position on the north side, also, on the peninsula where the Harem, or residence of the Khedive is situated, and which forms the protection to the main anchorage. Earthworks were also being thrown up there by a very large force. Seymour telegraphed these facts to the British government, summoned a council of his officers, and made preparations for battle. He then sent a demand to the Egyptian authorities for the surrender of the forts to him within twenty-four hours, with a view to disarmament, under penalty of bombardment. There was a French fleet in the port, which had been ordered to take no part in any aggressive measures; and there were also naval vessels of several other nations, among which were some of our own, the commanders of which had been very active in affording refuge to Americans resident in Egypt, as well as to citizens of other countries who were not represented by men-of-war.