[263] Sir J. Evans, Anc. Stone Implements, 1897, pp. 129, 235. See also E. B. Tylor, Early Hist. of Mankind, 1870, pp. 205-6; Prim. Culture, 1903, i, 65.
[264] Sir J. Evans, Anc. Stone Implements, 1897, pp. 136, 171.
[265] J. Anderson, Scotland in Pagan Times,—The Bronze and Stone Ages, pp. 353-4.
[266] Archaeologia, xliv, 1873, pp. 281-3.
[267] F. Keller, The Lake Dwellings of Switzerland, i, 1878, pp. 21-2, 38, 57, 90, &c.
[268] An axe-hammer has, however, been found in the Liverpool Docks, scored with a groove, along which a withy was perhaps twisted to serve as a handle (Sir J. Evans, Anc. Stone Implements, 1897, pp. 168-9; Vict. Hist. of ... Lancs, i, 218).
[269] M. Hippolyte Müller (L’Anthr., xiv, 1903, pp. 424-6) has cut down numerous trees with flint axes, which were uninjured by the experiments. Two of the trees were felled in thirteen and fourteen minutes respectively.
[270] Sir J. Evans, Anc. Stone Implements, 1897, pp. 79, 171-2, 195-6.
[271] Ib., pp. 175-6.
[272] Sir J. Evans, Anc. Stone Implements, 1897, p. 178.