Her Royal Highness by William Le Queux

Five days later.

Boulos, the faithful Egyptian dragoman, in his red fez and long caftan of yellow silk reaching to his heels, stood leaning over the bows of the small white steamer which was slowly wending its way around the many curves of the mighty river which lay between the Island of Philae and the Second Cataract at Wady Haifa, the gate of the Sudan.