Touching Mac cecht, however, he went his way till he reached the Well of Casair, which was near him in Crích Cualann; but of water he found not therein the full of his cup, that is, Conaire's golden cup which he had brought in his hand. Before morning he had gone round the chief rivers of Erin, to wit, Bush, Boyne, Bann, Barrow, Neim, Luae, Láigdae, Shannon, Suir, Sligo, Sámair, Find, Ruirthech, Slaney, and in them he found not the full of his cup of water.