To the members of the National Association of Railway Surgeons who were present at the meeting held at St. Louis in May, 1889, this paper will contain little that is new. The interest taken in the subject at that time was so great, and the discussion which it elicited so animated, that I am encouraged to bring it before this larger audience of the Pan-American Congress. The subject is, in my opinion, so important that every surgeon should be familiar with it. Since the reading of the paper referred to, I have continued to practice and to teach this method of controlling the hemorrhage from wounded arteries and veins, and increased experience only confirms me in the value of this method as a hemostatic. What I shall now say is a reiteration of what I have already said, with the addition of a later and larger experience.
There is no