Conquest of Egypt.—Foundation op Alexandria. Alexander now led an expedition into Egypt, whither he had set out at first (from Tyre); and marching from Gaza, on the seventh day he arrived at Pelusium341 in Egypt. His fleet had also set sail from Phoenicia to Egypt; and he found the ships already moored at Pelusium.342 When Mazaces the Persian, whom Darius had appointed viceroy of Egypt,343 ascertained how the battle at Issus had resulted, that Darius had fled in disgraceful flight, and that Phoenicia, Syria, and most of Arabia were already in Alexander’s possession, as he had no Persian force with which he could offer resistance, he admitted Alexander into the cities and the country in a friendly 141way.344 Alexander introduced a garrison into Pelusium, and ordering the men in the ships to sail up the river as far as the city of Memphis,345 he went in person towards Heliopolis,346 having the river Nile347 on his right. He reached that city through the desert, after getting possession of all the places on the march through the voluntary surrender of the inhabitants. Thence he 142crossed the stream and came to Memphis; where he ............