but in about five days we entered a vast wild desert, which held us three days’ and nights’ march; and we were obliged to carry our water with us in great leathern bottles, and to encamp all night, just as I have heard they do in the desert of Arabia. I asked our guides whose dominion this was in, and they told me this was a kind of border that might be called no man’s land, being a part of Great Karakathy, or Grand Tartary: that, however, it was all reckoned as belonging to China, but that there was no care taken here to preserve it from the inroads of thieves, and therefore it was reckoned the worst desert in the whole march, though we were to go over some much larger.

In passing this frightful wilderness we saw, two or three times, little parties of the Tartars, but they seemed to be upon their own