220 A History of Art in Ancient Egypt. entrance to this passage is high up in the end wall of the grand gallery ; it was left open. The unbidden visitors would thus have explored the interior of the pyramid high and low without / ^„/// ///// // '////////////// V/' ^ 'Mw<^y' ^mm Fro. 150. — Method of closing a gallery by a stone portcullis; from the fouthern pyramid of Dashour. Drawn in perspective from the plans and elevations of Perring. result, and even supposing that they expended considerable time and trouble in the search, they might easily have failed to penetrate into the mummy-chamber itself^ Fig. 151. — Portcullis closed. Another incfenious arrangement which demands our notice is that of those discharging chambers to which we have already alluded. These chambers were explored, not without trouble, Du Barry de Merval, Etiides sur T Architechire Egyptiemie, ])p. 129, 130.
