It must also contain the reception rooms of the Double, where priests and friends brought their wishes or their offerings; the two being connected by a passage of more or less length.

The arrangement of these three parts[26] varied according to the period, the place, the nature of the ground, and the caprice of each person.

The rooms accessible to the living were frequently built above ground, and formed a separate edifice.

Sometimes they were excavated in the mountain side, as well as the tomb itself.

Sometimes, again, the vault where the mummy lay hidden, and the passages leading to that vault, were in one place, while the place of prayer and offering stood far off in the plain.