At certain hours of the night these cries address prayers to the Prophet.

As it was merely a repetition of the same ceremony over and over again, in a short time no notice was taken of it.

The Turks, perceiving this negligence, substituted for their prayers and hymns cries of revolt, and by this sort of verbal telegraph, insurrectionary excitement was transmitted to the northern and southern extremities of Egypt.

By this means, and by the aid of secret emissaries, who eluded our feeble police, and circulated real or forged firmans of the Sultan disavowing the concord between France and the Porte, and provoking war, the plan of a revolution was organised throughout the country.
The signal for the execution of this plan was given from the minarets on the night of the 20th of October, and on the morning of the 21st it was announced at headquarters that the city of Cairo was in open insurrection.

The General-in-Chief was not, as has been stated, in the isle of Raeuddah: he did not hear the firing of the alarm-guns.