sary modifications, the larger and more vigorous spirit of its early prime. The poetical epistle, which in Horace is so near to Satire, usually differed from it in having less of the chatty miscellaneous character, and in being rather applied to continuous didactic exposition. The prose epistle, which was often meant for publication even when formally private, also contributed not only to express, but to mould, public opinion. Epigrams and lampoons might happen to be vehicles of a general feeling; but they differ from the forms of literature here considered in being essentially personal, like the satirical poetry of early Greece.
There is yet another agency, common to Greece and Rome, at which we must glance—the Oracles. Often, of course, they had a most important part in directing public opinion at critical moments; but this was not all. There were occasions on which an oracle became, in a strict sense, the organ of a political party. Thus the noble Athenian family of the Alcmaeonidae bribed the Delphian priests to make the oracle an organ of public opinion in favour of freeing Athens from Peisistratus. Accordingly, whenever Spartans came to consult the god on any subject whatever, this topic was always worked into the response. Apollo, in short, kept up a series of most urgent leading-articles; and at last the Spartans were roused to action. Then, when Cleomenes, one of the two Spartan kings, wished to have his colleague Demaratus deposed, he made friends with an influential man at Delphi; the influential man bribed