THE EGYPTIAN SUDAN slightly raised plateau about a mile and a half from the river bank, and they present a very picturesque appearance, especially in the early morning or evening, when they cast shadows of considerable length. Speaking generally, they are all oriented to the southeast, and it is clear that their builders intended the light of the f: IQO 50 100 Metres PLAN OF THE PYRAMIDS OF nOri, ACCORDING TO I.EPSIUS, Denkmdler, I. I30.

same celestial body to penetrate all the chapels which stood before the pyramids on a certain day in the year. The orientation of every pyramid which I examined here is slightly different from each of the others, but their state of ruin is such that, without careful excavation, it is impossible to give any angle in terms mathematically correct. These pyramids vary greatly in size, some 116