river, in the State of Mississippi. Nearly the whole of that one thousand three hundred miles of old Mississippi River which La Salle floated down in his canoes, two hundred years ago, is good solid dry ground now. The river lies to the right of it, in places, and to the left of it in other places.
Although the Mississippi's mud builds land but slowly, at the mouth, where the Gulf's billows interfere with its work, it builds fast enough in better protected regions higher up: for instance, Prophet's Island contained one thousand five hundred acres of land thirty years ago; since then the river has added seven hundred acres to it.
But enough of these examples of the mighty stream's eccentricities for the present—I will give a few more of them further along in the book.
DE SOTO SEES IT.
Let us drop the Mississippi's physical history, and say a word about its historical history—so to speak. We can glance briefly at its slumbrous first epoch in a couple of short chapters; at its second and wider-awake epoch in a couple more; at its flushest and widest-awake epoch in a good many succeed-
