On March 19, Dr. C. K. Mills, of Philadelphia, delivered the Toner lecture at the Smithsonian Institution, taking for his theme: "Premature Diseases among Men in Public and Private Life, brought on from Over Mental Strain." He said he was indebted for the suggestion of the subject of the lecture to Dr. Toner, who, from his long residence in Washington, had had an unusual opportunity of noticing the premature breaking down of men in public life, one prominent example being presented in the case of Vice-President Wilson, whose death was caused by over work and mental strain. He dwelt upon the effects of mental strain in producing pneumonia, Brights, and other diseases, and gave the marked symptoms which preceded the development of positive disease. Statistics showed the average age, taking all classes of men in the United States, to be about fifty years. In comparing a few of the most