Earty Lire 5 The year of Mackenzie’s arrival in Canada is also not definitely known. The date of 1779 is that most frequently given; but, in the letter just mentioned, we find Mackenzie acknowledging in June, 1778, the receipt of a parcel of clothes from Scotland for which he had written the year before, com- plaining of the high prices charged for them and of the conduct of another brother who was also in Canada. From this it appears that he came out in 1776 at the latest, and possibly earlier; some put the date as early as 1771. In 1779 he entered the service of John Greg- ory, a prominent merchant of Montreal who had a considerable interest in the fur-trade, and for the next five years he was employed in his office. There he learnt much, and rapidly won Gregory’s regard and confidence. But his was not a disposition to be satisfied with the routine of ordinary commerce, and in 1784 he went on an independent trading venture, with an outfit of goods supplied by Gregory, to seek his fortune in Detroit, then a small backwoods town. During that winter the course of events in the Canadian fur-trade