Page:Popular Science Monthly Volume 46.djvu/325

Rh  Typhoid Fever in Michigan in 1890. The figures represent the number of persons per 10,000 inhabitants. They were compiled from the State Board's "Vital Statistics" obtained from the reports of local Health Officers.



In 1876 Dr. Bowditch made an address at Philadelphia on the then status of preventive medicine, in which he prophesied a grand future for it, and said, "The touchstone which tests the