[1661] Spano, “Paleoetnol. Sarda,” p. 26.
[1662] Keller, “Lake-dwellings,” Eng. ed., p. 54.
[1663] Op. cit., p. 118.
[1664] “Preh. Times,” p. 40.
[1665] Arch. Æliana, vol. iv. p. 107; Arch. Journ., vol. x. p. 2.
[1666] Proc. Soc. Ant. Scot., vol. ii. p. 33, vol. vi. p. 209.
[1667] Journ. Ethnol. Soc., vol. ii. p. 341; Proc. Soc. Ant., 2nd S., vol. iv. p. 513. Arch. Assoc. Journ., vol. xxxvi. p. 146. Only seven depressions are there described.
[1668] Proc. Soc. Ant. Scot., vol. i. p. 45.
[1669] Ibid., vol. iv. p. 383, and v. p. 109.
[1670] Ibid., vol. ii. p. 34; Wilson, “Preh. Ann.,” vol. i. p. 343, pl. v.