Dion Cassius says that "Augustus finally, although tardily, came to recognise the misdeeds of his daughter," which signifies that at a given moment, Augustus could no longer feign ignorance of her sins, because the proofs were in the power of irreconcilable enemies, who would have refused to smother the scandal. These mortal enemies of Julia could have been no other than the friends of Tiberius. Julia had violated the law on adultery made by himself; Augustus could doubt it no more.
To understand well the tragic situation in which Augustus was placed by these revelations, one must remember various things: first that the lex de adulteriis, proposed by Augustus himself, obliged the father—when the husband could not, or would not—to punish the guilty daughter, or to denounce her to the prætor, if he had not the courage to punish her himself; second, that this law arranged that if the father and the husband failed to fulfil their proper duty, any one whoever, the first comer, might in the name of public morals make the denunciation to the prætor and stand to accuse the woman and her accomplice. Tiberius, the husband, being absent at Rodi, he, Augustus, the father, must become the Nemesis of his daugh-
