On the Discovery of the Place where Palæolithic Implements were made at Crayford

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Abstract
I n the large chalk-pit at Crayford, Kent, and in the adjoining brick-pits I have noticed for some time flint flakes which I was unable to convince myself belonged to the brick-earths in which they were found, believing, from their shape, colour, and mineral condition, that they had come from another stratum of the river-deposits. I, however, watched regularly, with great care, and during the late winter found a few flakes which, from their appearance, I felt belonged to the gently deposited brick-earths in which they lay; but they were solitary and rare, and it was not until the beginning of March last that, on the removal of a part of the face of the cliff, I came upon a dense layer of chips, specimens of which are exhibited. The sands and clays constituting the brick-earths of Crayford, lie under a low cliff of chalk and Thanet Sand, with a cap of gravel known as Dartford-Heath gravel. This ancient cliff (fig. 1) has in parts been worn lower than others ; at one of these spots, where the wearing has invaded the chalk itself, the brick-earths are exposed lying against the chalk, which is much weathered and has the face covered with chalk-rubble ; at the base of this section is a step in the chalk cliff, and a sort of foreshore seems to have been formed, consisting here of hard sand, and there of small heaps of flint stones brought down from the cliff above by aerial action. It is

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