Note 168 — Chapter XIII
Reading edition
Examples of those "burrows," or underground galleries, in Ulster are given by Mr. S. F. Milligan, M.R.I.A. (Jour. of Roy. Hist. and Arch. Assn. of Ireland, No. 80, Vol. IX., Fourth Series, pp. 245-246), who remarks:—"These souterraines are good examples of the dwelling-places of a very early race of settlers in this country."