To the Editor: —I was so much impressed by the figures that you published inThe Journallast week, showing the large percentage of medical men of military age who have been called for military service, that this morning, at a meeting of the New York City District Board, I brought the matter to the notice of Judge Charles E. Hughes, who is serving as our chairman. Judge Hughes pointed at once to General Crowder's instructions to district boards, to the effect that medical students could not be exempted under the law, and that district boards had no power to grant such exemptions. At first Judge Hughes suggested that an effort be made to obtain from the President, through the Secretary of War, an appropriate supplement to the regulations which govern the work of the district boards. Later in the day, after a careful rereading of the statute itself, Judge