Vespasian thus came to conceive a deeper desire to visit the sanctuary of Serapis, that he might consult the God about the interests of his throne. He gave orders that all persons should be excluded from the temple. He had entered, and was absorbed in worship, when he saw behind him one of the chief men of Egypt, named Basilides, whom he knew at the time to be detained by sickness at a considerable distance, as much as several days journey from Alexandria. He enquired of the priests, whether Basilides had on this day entered the temple. He enquired of others whom he met, whether he had been seen in the city. At length, sending some horsemen, he ascertained that at that very instant the man had been eighty miles distant. He then concluded that it was a divine apparition, and discovered an oracular force in the name of Basilides.
The origin of this God Serapis has not hitherto been made generally known by our writers. The Egyptian priests give this account. While Ptolemy, the first Macedonian king who consolidated the power of Egypt, was setting up in the newly-built city of Alexandria fortifications, temples, and rites of worship, there appeared to him in his sleep a youth of singular beauty and more than human stature, who counselled the monarch to send his most trusty friends to Pontus, and fetch his effigy from that country. This, he said, would bring prosperity to the realm, and great and illustrious would be the city which gave it a reception. At the same moment he saw the youth ascend to heaven in a blaze of fire. Roused by so significant and strange an appearance, Ptolemy disclosed the vision of the night to the Egyptian priests, whose business it is to understand such matters. As they knew but little of Pontus or of foreign countries, he enquired of Timotheus, an Athenian, one of the family of the Eumolpids, whom he had invited from Eleusis to preside over the sacred rites, what this worship was, and who was the deity. Timotheus, questioning persons who had found their way to Pontus, learnt that there was there a city Sinope, and near it a temple, which, according to an old tradition of the neighbourhood, was sacred to the infernal Jupiter, for there also stood close at hand a female figure, to which many gave the name of Proserpine. Ptolemy, however, with the true disposition of a despot, though prone to alarm, was, when the feeling of security returned, more intent on pleasures than on religious matters; and he began by degrees to neglect the affair, and to turn his thoughts to other concerns, till at length the same apparition, but now more terrible and peremptory, denounced ruin against the king and his realm, unless his bidding were performed.
Ptolemy then gave directions that an embassy should be despatched with presents to king Scydrothemis, who at that time ruled the people of Sinope, and instructed them, when they were on the point of sailing, to consult the Pythian Apollo. Their voyage was prosperous, and the response of the oracle was clear. The God bade them go and carry back with them the image of his father, but leave that of his sister behind.
