Allen, BOG OF, a series of morasses east of the Shannon, in King's and Queen's Counties and Kildare, Ireland, comprising about 150,000 acres, interrupted by strips of arable land. Lough Allen, in Leitrim, is a lake on the upper course of the Shannon (q.v.), and has an area of 8900 acres.
Allen
Chambers's Encyclopaedia, Volume 1: A to Beaufort, p. 170
Source scan(s): p. 0185