FIGURES 11, 12 AND 13. DENDRITES ON SURFACES OF FLINT HATCHETS IN THE DRIFT OF ST. ACHEUL.
FIGURE 14. FLINT KNIFE OR FLAKE FROM BELOW THE SAND CONTAINING Cyrena fluminalis.
FIGURE 15. FOSSILS OF THE WHITE CHALK.
FIGURE 16. SECTION OF FLUVIO-MARINE STRATA, CONTAINING FLINT IMPLEMENTS AND BONES OF EXTINCT MAMMALIA.
FIGURE 17. Cyrena fluminalis, O.F. Muller, sp.
FIGURE 18. Elephas primigenius.
FIGURE 19. Elephas antiquus, Falconer.
FIGURE 20. Elephas meridionalis, Nesti.
FIGURE 21. SECTION OF GRAVEL PIT CONTAINING FLINT IMPLEMENTS AT ST. ACHEUL.
FIGURE 22. CONTORTED FLUVIATILE STRATA AT ST. ACHEUL.