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 And well he knew that Fergus had as one of his geasa that he would never refuse an invitation to a feast.

Next day Fergus and his two sons, Illann the Fair and Buinne the Red, set out in their galley for the dun of the Sons of Usna on Loch Etive.

The day before their hurried flight from Erin, Ainle and Ardan had been playing chess in their dun with Conor, the king. The board was of fair ivory, and the chessmen were of red-gold, wrought in strange devices. It had come from the mysterious East in years far beyond the memory of any living man, and was one of the dearest of Conor's possessions. Thus, when Ainle and Ardan carried off the chess-board with them in their flight, after the loss of Deirdrê, that was the loss that gave the king the greatest bitterness. Now it came to pass that as Naoise and Deirdrê were sitting in front of their dun, the little waves of Loch Etive lapping up on the seaweed, yellow as the hair of Deirdrê, far below, and playing chess at this board, they heard a shout from the woods down by the shore where the hazels and birches grew thick.

"That is the voice of a man of Erin!" said Naoise, and stopped in his game to listen.

But Deirdrê said, very quickly: "Not so! It is the voice of a Gael of Alba."

Yet so she spoke that she might try to deceive her own heart, that even then was chilled by the black shadow of an approaching evil. Then came another shout, and yet a third. And when they heard the