Miletos must soon have fallen but for Alkibiades. He got out of the town as soon as it was dark, and eluding the besiegers, rode as hard as he could go all night, and in the morning reached Teichioussa, a small fortified place on the north coast of the Gulf of Iasos. There he found the long-expected fleet from Sparta under Theramenes. He put before him the critical position of Miletos, and induced him to dare to sail at once, in spite of the Athenian fleet, to its relief. They arrived at Miletos that same day, and the Athenians, acting on the unvalorous advice of Phrynichos, when they heard of their approach, although they had a larger fleet, and that fleet manned by Athenian sailors, drew off their ships and their besieging forces and retired to Samos. Thus Miletos was saved by the energy and persuasion of Alkibiades.

Athens, although her generals were showing the unaccustomed sight of an Athenian fleet retiring before Spartans—Athens at home was still working with the utmost vigour, sending forth armament after armament, as fast as she could get them ready. She now had, partly at Samos, partly investing Chios, a fleet of no less than one hundred and twenty ships of war—a large array for a people supposed by their enemies and those who did not know them to be at their last gasp.

The Lakedaimonians were also working, doing something for themselves and expecting more from others. They sent forward some ships they had received from Thurii and Syrakuse and twenty-seven of their own. But what they counted on more than anything was the promised naval aid from Persia. Tissaphernes had undertaken to bring an enormous fleet of three hundred sail, now lying off the Phœnikian coast, and only waiting orders from the Great King. With these the Spartans hoped to sweep the Athenians from the sea, and take from her her islands and dependencies. Those which had been formerly under the tyranny of the Persian kings were, by the treaty, to return to that dominion. With the others, if there were any, Sparta might do as she listed.

With the last squadron of thirty-seven ships from Lakedaimôn were sent eleven commissioners as a council of war, with full powers over the admirals, and instructions to get fresh concessions from the Persian ally, and to press Tissaphernes to bring his great fleet into Ionian waters without delay. The commissioners brought with them another secret order for Astyochos, the admiral-in-chief.

Agis was now back in Sparta for a time. He was, perhaps, the ablest man they had, and had done good work for his country at Dekeleia, whither he had been sent at the advice of Alkibiades. On his return home he heard of nothing but the greatness, the powers, the courage, the wisdom and ability, of their new councillor. Who was this effeminate Athenian who seemed to be ruling everyone in Sparta? A traitor to his country, and one who, as like as not, would soon prove a traitor to them! Agis was consumed with jealousy. It is said he had another cause for being jealous, of a more private nature, nearer home. Be that as it may, he hated Alkibiades, his rival. The rival was away. Had he been there it might have been different, but he was away fighting and directing the battles of Lakedaimôn. He had added fresh claims to their gratitude. He had gained over many of the Athenian allies by his presence and persuasion. By his skill and courage he had defeated the Argives at Miletos, and it was now known that the whole remnant of that contingent, twelve hundred men, had gone back again to Argos disgusted when they found they had to fight against him. Then by his promptitude and zeal he had saved Miletos, and the Spartan army, which, but for him, might now have been in the hands of a victorious enemy.

But he was away. Others besides Agis hated him with the hatred of smaller minds towards a greater, a cause of hatred of which he had felt the dire effects before at home. There were others who, not hating him, thought Sparta had got all she was likely to get out of him, and wished to get rid of him, and knew of only one safe way of doing so. He had few amongst the governing Spartans to take his part. His friend and companion, the brave Chalkideus, was slain. His friend and relative Endios was no longer Ephor. By secret suspicions artfully spread amongst those of the new Ephors who were not hostile to him, they were at length persuaded that it was necessary for the state that he should be destroyed. He had done too much for Sparta.

The Ephors had almost despotic powers. They could even imprison their kings. But their power lasted only for a year. So what they meant to do against Alkibiades they must do speedily and secretly. They resolved on his assassination. They had a simple but sure method of communicating with their commanders at the seat of war. The Ephors had a staff of office of precisely the same shape and size as the commander’s baton. Round this they rolled a sheet of parchment and wrote their deadly message on it, which doomed Alkibiades to a sudden death. This scroll was then unrolled. When it was off the staff it was illegible, and not till it was rolled round the commander’s staff could it be deciphered. It was then entrusted to one of the commissioners to carry to Astyochos at Miletos.

But there were five Ephors, and one of them was bound by strong ties to Endios. He, moreover, was doubtful of the wisdom of the murderous deed upon which his colleagues had decided. He told the secret to Endios shortly before the eleven commissioners were to set out from Sparta. Endios was dismayed at the disgrace which this base act would bring on his country He was horrified at the fate awaiting his kinsman, to whom he was sincerely attached, and from whom, while he was great and powerful at Athens, he had received nothing but kindness and hospitality. But what could Endios do? He saw the villainy of the plot; he knew that Agis was the chief mover in it, and that Agis hated Alkibiades. He had not much love himself for Agis, and would do anything he could to intercept his malice. Whatever was to be done to warn the object of this secret machination must be done at once. If it was discovered that Endios had betrayed the secret, it would be certain destruction to him and to the Ephor, his informant. He dared not trust it to any Lakedaimonian. All the town would hear of it at once, for the commons loved their Athenian guest; he had won their hearts, as he had won the hearts of the poor wherever he had gone. Endios dared not confide it to a Spartan.

We have seen that Agrestides was left behind by Alkibiades to attend to his private affairs when his master went with Chalkideus. Endios found him out and imparted to him the secret which he dare not put in writing. The rage of the faithful follower against king Agis and the Ephors could at first hardly be restrained. But he saw the necessity of departing at once to warn his master. He easily got employed on board one of the triremes which was just about to start, for the Spartan government found it was not easy to supply men enough for all the ships they had lately sent to sea. So when, at the solstice, the new squadron left the shore of Malea, with the eleven commissioners on board, carrying with them the murderous missive, there went with them one who knew its purport, and who could be as speedy as they and as silent as the grave to which the Ephors were seeking to consign his friend and master.

The fleet first made for Melos, some seventy miles from Malea. On the way they fell in with ten Athenian ships, and took three of them; the rest escaped. Fearing that their voyage to Miletos would thus be heard of by the Athenian fleet at Samos, they steered for Krete, and thence round by Kaunos, on the Karian coast. The navigation from Kaunos to Miletos was dangerous for a fleet of their small strength, with the Athenians on the watch for them. So they determined to send a message by some sailors in a small boat to Astyochos, begging him to come to convoy them.