After much negotiation, this was the result which he managed to accomplish. Peace was concluded between Philip and Athens, their respective allies being included. While the negotiations were pending, and the Athenian envoys were waiting at Pella for an interview with the King, he was in Thrace, and gained some important successes over the chief of the country, Cersobleptes, at this time an ally of Athens. The effect of this was to weaken and endanger the hold which Athens had on the Thracian Chersonese,—a specially valuable possession. Indeed, peace was made ultimately on terms which the Athenians had not originally contemplated. This, Demosthenes maintained, was due to the treacherous connivance of Æschines and of some of the other envoys, who loitered at Pella when they ought to have at once made their way to Philip in Thrace, and settled matters with him on the basis which had been mutually agreed on. But the most terrible mistake was the exclusion of the Phocians from the treaty. The Athenians were somehow cajoled into believing that Philip meant them well; and even Demosthenes did not at the time protest against the abandonment of Phocis. The error was irretrievable, for it amounted to nothing less than letting Philip become master of Thermopylæ. The Phocians could not hold the pass without support. When they found themselves isolated, their leader, Phalæcus, after being summoned by Philip to give up possession of it, consented to do so under a convention, and withdrew his forces. The surrender of Phocis to Philip followed as a matter of course. He dealt with
