lochs are formed by water pouring forth at the digging of a grave, e.g. that of Manannan, slain in battle, or that of Garman, son of Glas. Or a well is the source of a loch, because some one was drowned in it, or because its waters poured forth over intruders, or because of the breaking of a tabu connected with it, e.g. leaving its cover off. In two instances already cited the urine of a horse belonging to a god produced a loch;2 and more curious still is the myth of the woman Odras whom the Morrigan changed into a pool of water.3
An interesting story tells of the magic creation of a wood. Gaible, son of Nuada, stole a bundle of twigs which Ainge, daughter of Dagda, had gathered to make a tub, for Dagda had made one which dripped during flood-tide, and she wished for a better one. Gaible threw away the bundle, and it became a wood springing up in every direction.4 This is of a very primitive character and resembles the folk-tale incident of the Transformation Flight, in which a twig, comb, or reed thrown down by fugitives becomes a thick forest or bush impeding the pursuers.5 Curious, too, is the story of Codal, who on a hillock fed his fosterling Ériu, from whom is named Eriu's Island (Ireland). As she grew, the hillock increased with her, and had she not complained to Codal of the sun's heat and the cold wind, it would have grown until Ireland was filled with the mountain. Another story, recalling that of the Australian Bunjel's slicing earth with a knife into creeks and valleys, tells how Fergus, with Cúchulainn's sword, the caladbolg out of the síd sheared the tops of three mountains, which are now "Meath's three bare ones," while as a counter blow Cúchulainn did the same to three hills in Athlone.6 In another tale Fergus, irritated against Conchobar, struck three blows on the ground and thus caused three hills to arise which will endure for ever.7
The first occurrence of other things is often the subject of a tradition. Many myths exist about the origin of fire, and in Irish story the first camp-fire was made by Aidne for the Mile-