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 of them forming an integral part of this vast Empire, against malaria, not to mention other tropical diseases, with the details of which you are all, of course, fully conversant. And in this College and on this occasion surely we must not forget those to whose splendid investigations and devoted labours, often under circumstances involving severe trials and great personal danger, leading in some instances to sacrifice of life or health, we are indebted for these achievements. Some have even submitted to experiments on themselves, at the immediate risk of their lives, and in more than one instance with a fatal result. Truly these men deserve the highest honours that can be conferred upon them, especially as not uncommonly their object is to a great extent, if not wholly, philanthropic, and they are guided and urged on by the true missionary spirit. It has been well said that "scientific research and philanthropic enterprise go hand in hand." I cannot now do full justice to the latest "martyr to science" as he has been aptly called—Dr. Dutton—whose lamented death occurred recently while studying sleeping sickness on the Congo, where he had been sent by the Liverpool School of Tropical Medicine, but I feel sure you would wish me to express on behalf of this College our deep sense of the great services he has rendered to the medical profession and to humanity, our profound regret at the premature cutting-off of such a valuable life, with its promising