CHAPTER XI. The Khanates of Bokhara and Samarkand used to form Sogdiana, a Persian satrapy inhabited by the Tadjiks and afterwards by the Usbegs, who invaded the country at the close of the fifteenth century. But another invasion, much more modern, is to be feared, that of the sands, now that the saksaouls intended to bring the sandhills to a standstill, have almost completely disappeared. Bokhara, the capital of the Khanate, is the Rome of Islam, the Noble City, the City of Temples, the revered centre of the Mahometan religion. It was the town with the seven gates, which an immense wall surrounded in the days of its splendor, and its trade with China has always been considerable. Today it contains eighty thousand inhabitants. I was told this by Major Noltitz, who advised me to visit th