Page:Geological Evidences of the Antiquity of Man.djvu/133

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CHAP. VII.
FLINT IMPLEMENTS IN VALLEY OF THE SOMME.
115

Fig. 9

Fig. 10

Flint implements from the Post-pliocene Drift of Abbeville and Amiens.

Fig. 9 a Oval-shaped flint hatchet from Mautort, near Abbeville, half

size of original, which is five and a half inches long, from a bed of gravel underlying the fluvio-marine stratum.

b Same seen edgewise.

c Shows a recent fracture of the edge of the same at the point a, or near the top. This portion of the tool, c, is drawn of the natural size, the black central part being the unaltered flint, the white outer coating, the layer which has been formed by discoloration or bleaching since the tool was first made.

The entire surface of No. 9 must have been black when first shaped, and the bleaching to such a depth must have been the work of time, whether produced by exposure to the sun and air before it

was embedded, or afterwards when it lay deep in the soil.

Fig. 10. Flint tool from St. Acheul, seen edgewise; original, six and a half inches long, and three inches wide.

b, c Portion not artificially shaped. b, a Part chipped into shape, and having a cutting edge at a.