170. Also at Saïs there is the burial-place of him whom I account it not pious to name in connection with such a matter, which is in the temple of Athene behind the house of the goddess, 389 stretching along the whole wall of it; and in the sacred enclosure stand great obelisks of stone, and near them is a lake adorned with an edging of stone and fairly made in a circle, being in size, as it seemed to me, equal to that which is called the “Round Pool” 390 in Delos. 171. On this lake they perform by night the show of his sufferings, and this the Egyptians call Mysteries. Of these things I know more fully in detail how they take place, but I shall leave this unspoken; and of the mystic rites of Demeter, which the Hellenes call thesmophoria