Note 255 — Chapter III
Reading edition
Sir J. Evans, Anc. Stone Implements, 1897, pp. 73, 85-6, and Guide to the Ant. of the Stone Age (Brit. Museum), pp. 69-70. Much depended upon the nature of the material. Certain hard stones, for instance granite and diorite, were necessarily ground and polished. See L’Anthr., iv, 1893, p. 550, and Guide to the Ant. of the Stone Age (Brit. Museum), p. 69.