128 PRIMAEVAL MAN IN THE VALLEY OF THE LEA. direction of the arrows. Point ends broken off by use from perfect implements in Palaeolithic times are also extremely common, so of course are the butts. Some of the butts show by their condition that the implements were used as hammers or hammered as wedges, with heavy pebbles, into some other object or material. The butts and umbos were often used for hammering. Boring tools are often overlooked unless the ex- amples are well made; an indifferent specimen from the Valley of the Thames at Hanwell is illustrated, one-half actual size, in fig. 5. A better and more keenly pointed example is shown, one-half actual size, in fig. 6; this specimen was found at Little Thurrock, by Mr. Sidney Robarts, a member of the Essex Field Club. I have much more distinct and highly finished boring tools in my collec- tion. Wedges are not uncom- mon. Two views of a mas- sive wedge with a broad chisel edge and heavy butt is shown, one-half actual size, in fig. 7. Some wedges are much neater in design and execution than the one illustrated; as the example illustrated in fig. 8, now in the British Museum col- lection at Bloomsbury. Tools of fossil bone have never, as far as I am aware, been found