Note 53 — Chapter II · ON THE DIFFERENTIATION OF THE HUMAN FROM THE ANTHROPOID MIND
Reading edition
See the Report of the British Association, 1900, pp. 711-30. The author has since then revised his estimates, assigning much greater depth to the Pliocene and Miocene deposits and proportionally more time for their formation. See the Quarterly Journal of the Geological Society, LXV. (1909).