At El Kab they have been already mentioned as occurring in mastaba wells.
We have thus explored, with Mariette, the outside of the mastaba.
There is an example of this in a mastaba at Gizeh (Fig. 120).
The interior of a mastaba is composed of three parts—the chamber, the serdab, and the well.
It may seem that in considering the mastaba before the pyramid we have reversed the natural order.
In Figs. 116-119 we give the plan and three sections of a mastaba at Gizeh which has four serdabs.
This passage, which is not high enough to allow one to walk upright, does not run quite parallel to the axis of the mastaba.
A different arrangement had therefore to be devised from that adopted in the case of the mastaba.
From these he concludes that the principles of the mastaba and the pyramid were sometimes combined under the ancient empire.
The mastaba deserved therefore to be very carefully studied.