In order to better appreciate the advantages of the present methods for the treatment of aneurism, it will be well to review in a hasty manner the various measures which have been devised from time to time for its cure. According to Guthrie, " Aetius, who lived thirteen hundred years ago, recommended, for the cure of brachial aneurisms, that the artery should be exposed near the armpit ; and that two ligatures should be applied to it, a little distance from each other, when the artery should be divided between them. If he had