On April 25, 1885, I was called to see H. B., æt. 14, who had been sick three weeks with catarrhal pneumonia, for which he had been treated by another physician, and a favorable prognosis had been given. The persistency and continued aggravation of the symptoms changed his diagnosis to phthisis, and he now gave an unfavorable prognosis.
When I took charge of H. B., I found him greatly emaciated, with large and well-marked subclavicular depressions, and but little respiratory mobility. He was continually getting more debilitated from loss of appetite and exhausting night sweats. There was an almost continuous cough, a profuse purulent expectoration, offensive in character, containing much solid substance which would sink in water. In color it ranged from grayish white to greenish brown. The temperature reached 102° in the afternoon, but was subnormal in the morning. The respiration was short, hurried and superficial, about twenty-eight to