account.9 The Dindsenchas speaks of seven shapes which the swine-herds took, but describes five only—swine-herds, birds, wolves, trout, and worms—and it also tells how a bull-calf of the Donn's was killed by White-Horn.10
A folk-tale analogy to this myth occurs in a West Irish collection. Two heroes at enmity fought until they were old men, then as puppies until they were old dogs, then as young bulls, as stallions, and as birds, until one was slain, his body falling on the other and killing him. The rebirth incident is lacking here.11
In the story which narrates how King Mongan recovered his wife from the King of Leinster his feats were originally those of a divine namesake. Taking the form of a cleric, he gave that of another cleric to his attendant and won entrance to the King's fort and to his wife. He kissed her, but when the attendant hag cried out, he sent a magic breath at her, and what she had seen was no longer clear in her mind, after which he shaped a sharp spike on which she fell and was killed. His attempt to recover his wife failed, however, and at a later time he took the guise of Aed, son of the King of Connaught, transforming a hag into the shape of Aed's beautiful wife, Ibhell. The King of Leinster fell in love with her.and exchanged Mongan's wife to the pretended Aed for her; but the pair escaped, and great was the King's disgust to find Ibhell in the form of a hag. Mongan also made a river with a bridge over it, where none had ever been before, and in it he set the two clerics whose shapes he had borrowed.12
The gods could likewise transform each other. Etain was changed by Fuamnach into an insect, as a preliminary to her rebirth, and we have seen how the children of Ler were transformed into swans by their jealous step-mother. Ler heard them singing, yet god though he was, he could not disenchant' them, just as Manannan was unable to change Aoife from the shape of a crane into which the jealous luchra had turned her.13 The gods remained for three hundred years listening to the
