2 94 A History of Art in Ancient Egypt. The well and mummy chamber in the rock are, then, found almost universally, but the form of the rest of the tomb varies according to its date and site. Those in the plain are arranged differently to those in the hill sides. But it must be understood that when we speak of the plain in connection with the Theban tombs, we do not mean the space over which spread the waters of the TJile. We mean the gentle sandy slopes which lie between the foot of the cliffs and the cultivated fields, a narrow band which widens a little between the long spurs which the mountains throw out towards the river. In these land-aulfs the rock crops up here and there, and nowhere is it covered by more than a thin layer of sand. Such a soil, being above the reach of the annual inundation, was marvellously well-fitted both Figs. 187, 188. — Theban tombs from the bas-ieliets. (From Wilkinson, ch. xvi.) for the construction of the tomb and for the preservation of the mummy. In this, which may be called the level part of the necropolis, the tombs have left but slight and ill-defined traces. Their superstructures have almost entirely disappeared, and yet some which have now completely vanished were seen by travellers to Thebes in the first half of the present century. By comparing what they tell us with the figured representations in bas-relief and manuscript, we may form some idea of the aspect which this part of the cemetery must formerly have presented. The tombs which it contained were built upon the same principles as those of Abydos ; a square or rectangular structure with slighdy sloping walls was surmounted by a small pyramid. There
