To infallibility I do not afpire for, wandering in a region but little frequented, I have fometimes, no doubt, miffed the direé'c road; indeed, I h'ave always been cautious in advancing, where the Iteps of other travellers are fcarcely difcernible. I' will never perfift in error, when it has been pointed out; but I {hall not regard objeélions which rel'c on any other foundae tion than facts and experiments the ignorant, the mean, and the fervile, can only be mi?ed by other arguments.