[59] Manners and Customs of the Ancient Irish, pp. 31-2.

[60] Mr. Mackinlay, describing a crannog in Loch Quien in Bute, states that two rows of piles extended obliquely from it to the shore of the lake, between which the ground was covered with flat stones, “not raised like a causeway.”

[61] Dublin Quarterly Journal of Science, vol. vi. p. 69.

[62] Mem. Geol. Sur. Ireland.

[63] Journal Royal Hist. and Arch. Asso. of Ireland, vol. ii. (4th Series), p. 435.

[64] Geology of Ireland, G. H. Kinahan, p. 276.

[65] Proceedings R. I. A. vol. vii. p. 154.

[66] Cat. Mus. R. I. A. p. 251.

[67] A writer states that around the Crannog of Lough Ravel were found “a whole fleet of boats,” each cut out of a single trunk of oak; one was made fast to a stake of the crannog by a rude chain.

[68] Journal of a Cruise on the Tanganyika Lake, Central Africa.