FIGURE 6. OUTLINES OF THE SKULL FROM THE NEANDERTHAL,
OF AN AUSTRALIAN SKULL FROM PORT ADELAIDE,
AND OF THE SKULL FROM THE CAVE OF ENGIS.

FIGURE 7. SECTION ACROSS THE VALLEY OF THE SOMME IN PICARDY.

FIGURE 8. FLINT IMPLEMENT FROM ST. ACHEUL, NEAR AMIENS,
OF THE SPEAR-HEAD SHAPE.

FIGURE 9. OVAL-SHAPED FLINT HATCHET FROM MAUTORT.

FIGURE 10. FLINT TOOL FROM ST. ACHEUL.

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.