CLIMATE. 137 " If these fevers fix on a person at the end of Octo¬ ber, they will not quit him the whole winter, but re¬ duce him to a state of deplorable languor and weak¬ ness. Lower Canada , and the cold countries adja¬ cent, are scarcely at all subject to them." The only fever, excepting such as usually accompany severe colds, that has hitherto, as far as I have been able to trace, made its appearance in a fatal form among the inhabitants of , is typhus. It is not, however, dangerous, unless it be among the very lowest classes, who pay no regard to cleanliness and diet; and it seldom proves fatal even to them. This fever is by no means so alarming as it is in , it appearing always as typhus mitior, and not in the form of typhus gravior. I have been informed that erysipelas has lately appeared in New Brunswick in a dangerous shape ; the instances in the other colo¬ nies must have been very rare. Agues are still com¬ mon in Canada . What M. Volney observes regarding premature old age among the inhabitants of the , is but too true, as well as what he says about another disease—defluxion of the gums, and rotten teeth, common in those countries.* I have not observed * On my passage down the Lawrence in 1824, from to Quebec , in one of the large steam-boats on that river, I met with several families from the , who had travelled north to visit the Canadas, and to avoid the excessive summer heat of Pennsylvania and Carolina. Among the whole, I did not observe any who possessed the bloom and florid complexion so common in the United Kingdom. I would willingly have excepted a young lady,