The story is that, when these goddesses were about to put Orestes out of his mind, they appeared to him black; but when he had bitten off his finger they seemed to him again to be white and he recovered his senses at the sight. So he offered a sin-offering to the black goddesses to avert their wrath, while to the white deities he sacrificed a thank-offering. It is customary to sacrifice to the Graces also along with the Eumenides. Near to the place called Ace is another . . . a sanctuary called . . . because here Orestes cut off his hair on coming to his senses.