be described as much longer than that by Colchis. By the upper route Herodotus apparently means the route round the Caspian Sea. The supposed error in the proper route may lead us into the right path, if we assume that the hordes which then invaded Media and inundated Asia were not mounted nomads from the steppes above the Black Sea, on the upper course of the Don, but nomads dwelling beyond the Caspian, in the steppes on the Oxus and Jaxartes. The legendary poetry of East Iran is filled with long and mighty struggles of the ancient heroes with those nations; and Ctesias tells us, again, without doubt, following the minstrelsy of West Iran, of the severe and doubtful wars which the predecessor of Astyages of Media, whom he calls Artæus, and Herodotus Cyaxares, carried on against the Sacæ, the neighbours of the Parthians and Hyrcanians in the steppes on the Oxus. It was these Sacæ who, four centuries after the invasion of Media by Herodotus' Scythians, burst through Parthia and Hyrcania, possessed themselves of the valleys of the Hilmend, the best region in the east of Iran, and gave to this region the name of Sikashtan, _i.e._ land of the Sacæ, now Sedshestan. On the earlier occasion the Sacæ may have made the same attempt to break into Iran. If nations on the steppes on the Oxus had overpowered Media, if they had also established themselves in Hither Asia, youthful bands of Sarmatians and Scoloti might have felt tempted to go out from the Pontus and take part in the campaign of plunder. In ascribing the invasion of Asia to the Scoloti, Herodotus no doubt followed the authority of his own people, the Greek settlers on the northern coast of the Pontus. The Cimmerians had once dwelt in these regions, and had retired from them before the Scoloti. It happened that at the time of king Ardys of Lydia (his reign, according to Herodotus, extended from 681 B.C. to 632 B.C.), these Cimmerians made an incursion into the west of Asia Minor from the abodes which they had obtained on the Halys, and forced their way at that time as far as Lydia and the Greek cities on the coast. They took Sardis, except the Acropolis. "It was not a subjugation of the cities," says Herodotus, "but only a passing raid."[539] The narrative of Herodotus proves conclusively that he knew nothing of the earlier incursions of the Cimmerians into the west of Asia Minor, and therefore he assumed that this campaign against Sardis and the cities of the Greeks, in the time of Ardys, was identical in date, and, in fact, the same as the incursion of the Cimmerians into Asia Minor. And as Herodotus also learnt that Cyaxares of Media was overthrown by Scythian hordes who devastated all Asia, and that fugitives of these hordes had also come into the west of Asia Minor to the grandson of Ardys, Alyattes of Lydia, he represents the Cimmerians as being pursued towards Asia, along the Pontus, by their ancient enemies, the Scoloti, who, he thinks, missed their way.