Some of Dr. Graves' very particular hints with regard to treatment of fever show how careful he was in clinical observation. He deprecates the allowance of very much fluid for patients, since their thirst cannot be assuaged in that way, and the amount of liquid taken may be harmful by causing depression. He suggests, therefore, the use of acidulated water made by means of a little currant jelly or raspberry vinegar, given in small portions and at regular intervals. Much better than plain water he considers water to which some light bitter has been added, such as cascarilla. Small quantities of this will appease the morbid thirst of fever more effectually and for a much longer period than large draughts of water. Even more interesting in these modern times, however, than Graves' attitude toward the treatment of fever is the position he took with regard to the habits of life that were best for the consumptive. At that time tuberculosis of the lungs was considered to be an inflammatory disease requiring the patient to be in the house most of the time, carefully protected from cold, and during any rise of temperature to be kept in warm rooms, without any special encouragement to take food. Graves and Stokes changed all that, and for the time completely revolutionized the principles of treatment for this serious ailment. Alas! their work, notwithstanding the good results shown in a certain number of cases, failed to attract widespread attention, and not until our own time did the principles that they laid down as the rational basis of successful therapeutics for tuberculosis come to be generally adopted. Graves insisted that his patients when suffering from beginning tuberculosis should not be confined to the house, {174} but on the contrary should be out of doors most of the time. He emphasized what he called the taking of exercise, but in such a way that he agrees much more than might be thought with modern ideas on this subject. Now, it is insisted that tuberculous patients must not overtire themselves by taking exercise, though they must be in the open air a large part of the time. Graves explains the exercise that he would like to have them take by saying that they should spend four or five hours every day riding in a carriage, or, as he seems to prefer, in an open jaunting-car. And that they should spend at least as much time sitting outside in quiet.