been achieved through the determination and courage of a single individual. The task which Mackenzie set himself was to reach the Pacific. His own account, in the preface to his Voyages, of his motives and qualifications is worth quotation: I was led, at an early period of life, by com- mercial views, to the country North-West of Lake Superior, in North America, and being endowed by Nature with an inquisitive mind and enterprising spirit; possessing also a con- stitution and frame of body equal to the most arduous undertakings, and being familiar with toilsome exertions in the prosecution of mercantile pursuits, I not only contemplated the practicability of penetrating across the continent of America, but was confident in the qualifications, as I was animated by the desire, to undertake the enterprise. It was undoubtedly Peter Pond who determined the course of Mackenzie’s first attempt. Pond was better informed than any other man about the geography of the Athabaska district, but he was not a trained explorer, and he often drew on his ample Wuar Lies Beyonp tue Mountarns? 39