Note 13 — Chapter I
Reading edition
Cf. W. L. H. Duckworth, Prehistoric Man, 1912, p. 10, and A. Keith, The Antiquity of Man, 1915, p. 237.
Reading edition
Cf. W. L. H. Duckworth, Prehistoric Man, 1912, p. 10, and A. Keith, The Antiquity of Man, 1915, p. 237.