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Gentlemen of the American Medical Association:
A year ago you conferred upon me the honorable position of Chairman of the Section of the Practice of Medicine, Materia Medica, and Physiology of your Society. As Chairman, it is made imperative upon me, by our By-laws, to lay before you a résumé of the progress made and the new discoveries announced in these branches of our science during the past year. The responsibility of this duty, in view of the numerous investigations and important discoveries by the members of the medical profession throughout the civilized world, and the steadily increasing volume of medical literature, etc., renders the task more and more difficult with each succeeding year; for as new theories arise and supplant older ones, they, in turn, will be superseded by others yet unheralded. The unbiased gleaning of what has been done is a feat of no mean proportion, and if