ments. Thus we see that the implements are composed of three materials, of which the quartzite pebbles and the ironstone nodules are to be found in the neighbourhood, while the flint pebbles have been brought a distance, probably from some one of the gravels in the valley of the Idle, a small river flowing into the Humber.
The Upper Cave-Earth and Breccia.
Figs. 47, 48.—Lancecolate Flakes, Breccia, Robin Hood Cave, 12.
In the third period in the Palæolithic history of the cavern, or that of the breccia, a, and the upper part of the cave-earth, the rude tools of quartzite found below are replaced by more highly finished articles of flint brought from a distance, such as lance-heads (Figs. 47, 48), trimmed flakes, and a flint borer (Fig. 49). In the upper cave-earth were simple and double scrapers, and numerous small flakes (Figs. 50, 51). Some of these had obviously been let into a handle of wood or some other perishable material, by which the edge of one side
