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14 and advantage. Her whole history shows, that she has ever readily appropriated to her own use every valuable discovery which has by any means been brought to light. She has gleaned and treasured up every important item of medical knowledge, and has become the grand repository of all that is valuable in the profession. Nothing has been omitted or rejected that was worth preserving. She has brought her observations down to the present hour, and her archives to-day contain every has been known, or is known, that is worth knowing; and whatever she rejects, the world may rest assured is worthless.

Call this the old practice, or the new practice, or by whatever name you please, it is nevertheless the only true science of medicine. It is founded upon the same principles of reason and common sense that all other sciences are built upon—it rests to-day upon those everlasting principles laid down by Pythagoras and Hippocrates, just as the science of Astronomy rests upon the discoveries of Copernicus and Newton. It does not pretend to be perfect, and perhaps