[47] It was not necessarily barbarous because metal weapons had not been invented.
[48] Submerged Forests, p. 120.
[49] The Cairo Scientific Journal, Vol. III. No. 32 (May, 1909), p. 105.
[50] Antiquity of Man in Europe, p. 274, Edinburgh, 1914. The term "Neolithic" is here rather vague. It applies to the Azilians and Maglemosians as well as to later peoples.
[51] Breasted, A History of Egypt, pp. 96-7.
[52] Wollaston, Pygmies and Papuans (The Stone Age To-day in Dutch New Guinea), London, 1912, pp. 53 et seq.
[53] Westervelt, Legends of Old Honolulu, pp. 97 et seq.
[54] Lyell, Antiquity of Man, p. 48.
[55] Cæsar's Gallic War, Book III, c. 13-15.
[56] Agricola, Chap. XII.