FOURTH GROUP OF PYRAMIDS the infiltration of water which must take place whenever the plain is flooded by summer rains.

Still further to the west, and a little to the south, partly on the edge of the strip of cultivated land and partly on the skirt of the desert, stands a very large group of pyramids, which Cailliaud called the " Pyramids of As-sur, and Lepsius " Group C." This & \ a Ci -.':f.- "" "'' ''" 50 100 Metres PLAN OF THE PYRAMIDS OF MEROE.—FOURTH GROUP.

[From Lepsius, Denk7ii'dler, Abth. I, Bl. 133.

group, according to Lepsius's plan, contained at least 112 pyramids, varying in size from about 40 to 16 feet at the base ; the height of the largest must have been about 60 feet, and of the lowest about 12 feet. Even in the days of Cailliaud all of them were in a ruined state, and Lepsius found that only five or six possessed remains of chapels. The largest stood in a walled enclosure and bears the No. 18 on his plan. In No. 15 there 431