this in the Brahmana nor the Mahabharata, but in Genesis the Lord says
to Noah, 'Yet seven days and I will cause it to rain upon the earth;'
and a little farther we read, 'After seven days the waters of the flood
were upon the earth.'. . . Nor must we pay less attention to the
directions given by the fish-god to Satyravata for the placing of the
sacred Scriptures in a safe place, in order to preserve them from
Hayagriva, a marine horse dwelling in the abyss. . . . We recognize in
it, under an Indian garb, the very tradition of the interment of the
sacred writings at Sippara by Khasisatra, such as we have seen it in the
fragment of Berosus."

The references to "the three worlds" and the "fish-god" in these legends
point to Atlantis. The "three worlds" probably refers to the great
empire of Atlantis, described by Plato, to wit, the western continent,
America, the eastern continent, Europe and Africa, considered as one,
and the island of Atlantis. As we have seen, Poseidon, the founder of
the civilization of Atlantis, is identical with Neptune, who is always
represented riding a dolphin, bearing a trident, or three-pronged
symbol, in his hand, emblematical probably of the triple kingdom. He is
thus a sea-god, or fish-god, and he comes to save the representative of
his country.

And we have also a new and singular form of the legend in the following.
Lenormant says:

"Among the Iranians, in the sacred books containing the fundamental
Zoroastrian doctrines, and dating very far back, we meet with a
tradition which must assuredly be looked upon as a variety of that of
the Deluge, though possessing a special character, and diverging in some
essential particulars from those we have been examining. It relates how