Petrie, from Plate VII.

of his "_Pyramids and Temples of Gizeh_." The vertical shaft sunk by Perring is shown going down from the floor of the subterranean unfinished chamber.

The lettering along the base of the pyramid, though not bearing upon the work of Professor Maspero, has been preserved for the convenience of readers who may wish to consult Mr.Petrie's work for more minute details and measurements.

This lettering refers to that part of Mr.Petrie's argument which disproves the "accretion theory" of previous writers (see "_Pyramids and Temples of Gizeh_" chap, xviii., p.

165) .-- A.B.E.
3 .-- THE TOMBS OF THE THEBAN EMPIRE.
_Excavated Tombs_.
Two subsequent systems replaced the mastaba throughout Egypt.