When we remember that sound health is the foundation of every other good, of all work fruitful and enjoyed, weof wesee that in this field new knowledge and new skill havesee have won their most telling victories. Pain, long deemed aswon asinevitable as winter's cold, has vanished at the chemist'sinevitable chemist's bidding: the study of minutest life is resulting in measuresbidding: measures which promise to rid the world of consumption itself. Dr. Billings's masterly review of medical progress during theB