Lebar na h'uidre - Book of the Dun Cow

pursue them, for it was a custom with them to hunt birds. Concobar was there in his chariot and she was of marriagable age. She was chariot-driver to her brother. The warriors of Ulster (were) also in their Conall and Laegaire, and every-one else. Briccriu was with them as well. Then the birds go ahead of them over Sliab Fuait, over Edmand and Brega. There wasn't a dyke nor fences nor stone walls in the country, in Ireland, at that time, only level plains, until the era of Ma n-Aeda Slani came: Indeed, it is on account of the number of dwellings in his era, that boundaries were established in Ireland.…