CHAPTER XVII.

1680. THE ADVENTURES OF HENNEPIN. Hennepin an Impostor: his Pretended Discovery; his Actual Discovery; Captured by the Sioux.--The Upper Mississippi. It was on the last day of the winter that preceded the invasion of the Iroquois that Father Hennepin, with his two companions, Accau and Du Gay, had set out from Fort Crèvecoeur to explore the Illinois to its mouth. It appears from his own later statements, as well as from those of Tonty, that more than this was expected of him, and that La Salle had instruc…