Mr. President, Ladies and Gentlemen: I will not occupy your time very long as my colleague has gone pretty thoroughly into the explanation of our work in giving you our pathological ideas; I shall speak to you only from a clinical standpoint. It is the predominating opinion of physicians that the bacillus tuberculosis is the specific and only cause of the several forms of disease known as tuberculosis, and from its behavior it is a very hard thing to explain away. But when we consider from a clinical standpoint this bacterium, as the cause of the several conditions, known as tuberculosis, phthisis pulmonalis, in its several forms, tuberculous joint disease, scrofulosis, so-called tubercular skin diseases, bone dis ease, some forms of leprosy, besides other com plex affections, it must strike any one who will think of it for a moment, as being impossible !
With regard to the bacillus, of