138. These Pelasgians then, dwelling after that in Lemnos, desired to take vengeance on the Athenians; and having full knowledge also of the festivals of the Athenians, they got 122 fifty-oared galleys and laid wait for the women of the Athenians when they were keeping festival to Artemis in Brauron; and having carried off a number of them from thence, they departed and sailed away home, and taking the women to Lemnos they kept them as concubines. Now when these women had children gradually more and more, they made it their practice to teach their sons both the Attic tongue and the manners of the Athenians. And these were not willing to associate with the sons of the Pelasgian women, and moreover if any of them were struck by any one of those, they all in a body came to the rescue and helped one another. Moreover the boys claimed to have authority over the other boys and got the better of them easily. Perceiving these things the Pelasgians considered the matter; and when they took counsel together, a fear came over them and they thought, if the boys were indeed resolved now to help one another against the sons of the legitimate wives, and were endeavouring already from the first to have authority over them, what would they do when they were grown up to be men? Then they determined to put to death the sons of the Athenian women, and this they actually did; and in addition to them they slew their mothers also. From this deed and from that which was done before this, which the women did when they killed Thoas and the rest, who were their own husbands, it has become a custom in Hellas that all deeds of great cruelty should be called "Lemnian deeds.". 139. After the Pelasgians had killed their own sons and wives, the earth did not bear fruit for them, nor did their women or their cattle bring forth young as they did before; and being hard pressed by famine and by childlessness, they sent to Delphi to ask for a release from the evils which were upon them; and the Pythian prophetess bade them pay such penalty to the Athenians as the Athenians themselves should appoint. The Pelasgians came accordingly to Athens and professed that they were willing to pay the penalty for all the wrong which they had done: and the Athenians laid a couch in the fairest possible manner in the City Hall, and having set by it a table covered with all good things, they bade the Pelasgians deliver up to them their land in that condition. Then the Pelasgians answered and said: "When with a North Wind in one single day a ship shall accomplish the voyage from your land to ours, then we will deliver it up," feeling assured that it was impossible for this to happen, since Attica lies far away to the South of Lemnos..