Men of the Old Stone Age: Their Environment, Life and Art

by Henry Fairfield Osborn

(2) Smith, W., 1894.1, chap. XV.

(3) Dietrich, 1910.1, pp. 329, 330.

(4) Penck, 1909.1.

(5) Leverett, 1910.1, pp. 306-314.

(6) Geikie, 1914.1.

(7) Op. cit., p. 272.

(8) Op. cit., pp. 265-266.

(9) Keith, 1911.1, p. 23, Fig. 5.

(10) Munro, 1912.1, pp. 46, 47.

(11) Lartet, 1861.1; 1875.1.