. . "The tents they make are like field tents, and they set them up over some poles they have made for this purpose, which come together and are tied at the top, and when they go from one place to another they carry them on some dogs they have, of which they have many, and they load them with the tents and poles and other things, for the country is so level, as I said, that they can make use of these," . . .