Ann Arbor, Mich., July 2, 1900.
To the Editor:
—In your issue of June 30, Dr. Francis R. Packard wishes to know from what source I obtained authority for the statement: "The claim is made by an assistant-surgeon of one of the Pennsylvania regiments that there was not a case of typhoid fever in his command, but the records of the Philadelphia hospitals show that certain cases sent from this regiment proved to be typhoid fever."My authority for the statement will be found on page 85, Volume xiv, "Transactions of the Association of American Physicians." In the discussion of a paper read by me, Dr. S. Solis-Cohen made the following statement: "It is a matter of record that Col. J. Biddle Porter's regiment, the Second Pennsylvania, had no typhoid fever, and but two cases of illness from any cause." It is true that Dr Packard states in his article