that Dr. Wallace came to Wooster an invalid a 5 66 A Busy Life. wreck. His nervous system was much exhausted from over work. There were times when he felt his old ability to work for the Master; yet there were many times, and some of them protracted, in which he was not able to do much work. The great secret lay in the exhaustion of the nerve center. He would have a sense of constriction, and an apparent diffi- culty in breathing, so that in walking he would have to 'stop and stand still a few minutes to rest. I could find no organic disease of the heart, and no disease of the lungs nothing of that kind that would account for the trouble, and I referred the matter to nervous exhaustion exhaustion of the nerve center that presided over respiration and breathing. " Thus all the labor he performed was under great bodily affliction. In August, 1881, after a year of hard work he was prostrated with gastralgia, or neuralgia of the stomach. He was unable to do any work until about the first of Octo- ber. In January, he was again prostrated. He was unable to return to his work until March, and then able only to do a limited amount. About the last of May, he had another severe attack. The congregation gave him a vacation for four months.