ABOUT five or six hundred years before Christ, almost the whole of the interior of Asia was united in one vast empire. The founder of this empire was Cyrus the Great. He was originally a Persian; and the whole empire is often called the Persian monarchy, taking its name from its founder's native land. Cyrus was not contented with having annexed to his dominion all the civilized states of Asia. In the latter part of his life, he conceived the idea that there might possibly be some additional glory and power to be acquired in subduing certain half-savage regions in the north, beyond the Araxes. He accordingly raised an army, and set off on an expedition for this purpose, against a country which was governed by a barbarian queen named Tomyris. He met with a variety of adventures on this expedition, all of which are fully detailed in our history of Cyrus. There is, however, only one occurrence that it is necessary to allude to particularly here. That one relates to a remarkable dream which he had one night, just after he had crossed the river...