The first and most important measures of treatment are those which contemplate the prevention of the malady. These consist first, of a careful avoidance of all the known causes of the disease; and second, of the most strenuous efforts to counteract any known tendency to it through heredity. The infants of consumptive mothers should not be allowed to nurse unless a healthy wet nurse is employed. Children with a scrofulous or consumptive tendency should be kept in school but little, and should be given every opportunity for physical development. When grown to adult age such persons should not engage in any occupation which is known to favor lung disease, but should make all their habits and conditions, so far as possible, tend toward the one object of contending against their hereditary tendency. In the treatment of the disease when it has developed sufficiently to be recognized, it is important that prompt and vigorous measures should be employed at once. The greater portion of the sufferers from this disease sacrifice their only hope for life by delay and procrastination. If the disease has obtained even the slightest foot-hold, there is no time to be lost. The principal indications to be met are; 1. To check the fever; 2. To improve the patient's nutrition; 3. To arrest the night sweats; 4. To alleviate the cough; 5. To develop the lungs; 6. To sustain and invigorate the patient in every way possible. The best means to be employed for the above purposes, according to the results which we have obtained in the treatment of hundreds of cases of this .disease, are the following: