Earuy Lire 8 he traces an inscription on it with this impro- vised paint. At last, his purpose fulfilled, he consents to allay the fears of his followers, and boards the laden canoe. It is swiftly pro- pelled by the paddles of the voyageurs up the inlet in the direction from which it had come. The party vanishes, leaving only the red memorial on the rock behind. It is the brief record of a great achievement. This is how it runs: “Alexander Mackenzie, from Canada, by land, the twenty-second of July, one thousand seven hundred and ninety-three.”’ For the first time white men had crossed the continent of North America north of Mexico. Thousands of miles of river and lake and mountain-trail lay behind the dauntless leader and his little band. Alexander Mackenzie had earned his place among the great explorers of history. The scene on that July day was the sum- mit of his career, though he has other titles to fame. Of his early years little is known. He was born of a good, though poor, Highland family in the Scottish town of Stornoway in the Island of Lewis, the largest of the Heb- rides. The exact date of his birth is uncertain,