evaporate. Believing that I should be set to make these tanks or reservoirs, I suggested them, as their construction would necessitate the removal of my chains. The following morning I was called to the anvil, the rings holding the heavy iron bar were cut and forced open, and the heavy ankle-chain I was wearing was replaced by a piece of light awning chain taken from one of Gordon's steamers. I was thankful even for this relief, as it removed a dead weight of fifteen to twenty pounds of iron from my feet. Under an armed escort I was taken to the Nile, where I found awaiting me the Emirs Yacoub, Ahmed Fedeel — who is now causing trouble on the Blue Nile — Mohammad Hamad'na Allah — Zobheir Pasha's old Wakeel — and a party of thirty to forty workmen with materials for the tanks. Whenever Abdullahi gave an order, immediate execution of it followed.
I had existed in the vile-smelling Saier for nearly four years, and you can imagine how I enjoyed the two hours on the river reaching Halfeyeh. On arrival at this place, we were met by El Fiki Amin, a Fellati then in charge of the works. He did not disguise his displeasure at my being taken there, as he evidently considered it a slight upon himself. He was extracting the saltpetre from mounds, mixing the earth and water in pierced jars lined with fine matting, allowing the solution to filter through, and then boiling it down to obtain the crystals; his appliances were very primitive, but he was producing a very good quality of saltpetre in "needles." Yacoub ordered me to search the ground for any deposits, and, coming
