Note 510 — Chapter XI
Reading edition
Schweinfurth, loc. cit., vol. i., chaps. vii. and lciv.; Stuhlmann, loc. cit., chap. xxii.; Frobenius, Die Heiden-Neger, Berlin, 1893; E. de Martonne, Annales de Géogr., Paris, 1896, p. 506, and 1897, p. 57.
Reading edition
Schweinfurth, loc. cit., vol. i., chaps. vii. and lciv.; Stuhlmann, loc. cit., chap. xxii.; Frobenius, Die Heiden-Neger, Berlin, 1893; E. de Martonne, Annales de Géogr., Paris, 1896, p. 506, and 1897, p. 57.