of this sort has been remarked in Britain, since, in the next chapter, we shall see reason to believe on other evidence that the Neolithic inhabitants of our country were of Iberian stock. In some cases the chambered barrow was very complicated, as, for example, at Uley, in Gloucestershire. Not only is there a boundary wall laid in horizontal courses, faced on the outside, and carried up to a height of two or three feet, but at the small end within there are courses continued across, so as to divide it into three chambers (see Fig. 104). At the larger end the outer wall curves gracefully inwards until it reaches the doorway (Fig. 105). Inside, a narrow passage leads to the tomb proper. The entrance was originally on the outside closed by a block of stone.
Fig. 105.—Entrance to Long Barrow, Uley.
There are, as might be expected, many modifications of the form of the chamber; sometimes it is cruciform, at others it is divided into a series of niches, or takes the form of a long passage. In some cases the stone chambers are isolated from each other within the tumu-
