Athshani.—Ath-Seanagh, Ballyshannon. See O'Donovan's Notes to Circuit of Ireland in the first vol. of the Society's Tracts, p. 50. The Annals of Ulster have this entry at 1247. ‘M'Sumerlid killed by M'Moris (Maurice Fitz Maurice Fitz Gerald) at Belasena.’— Annals of Ulster in Johnstone's Antiq. Celt. Norm.