Note 698 — Chapter XV · THE FIRE-DRILL
Reading edition
Francis Galton, Narrative of an Explorer in Tropical South Africa 3rd Ed., (London, 1890), p. 116; J. Hahn, op. cit. iv. (1869), p. 247; H. Schinz, op. cit. p. 155; J. Irle, Die Herero, pp. 111 sq.