164 Str ALEXANDER MACKENZIE that he has become, in obedience to doctor’s orders, “a water drinker and milk sop”, though “the great doctor Hamilton of Edin- burgh” could give his ailment no more definite a name than “a shake of the constitution.” In the same letter he shows a keen interest in the fur-trade and the struggle with the Hud- son’s Bay Company, protests at the conces- sions made to the United States in the boundary settlement of 1818 through the energy of “that crafty, cunning statesman Gallatin”, and announces his intention of retiring from the North West Company on the expiration of the existing agreement in 1822. This intention he did not live to carry out. In March, 1820, as he was returning to Avoch from Edinburgh with his wife and children, he was suddenly taken ill on the road at a small hamlet in Perthshire. He died there the next morning (March 12), aged about sixty years. It was an end such as one who had dared sudden death many times would have desired. His body lies buried in the churchyard at Avoch. He left two infant