JOHNSTON, W. W., M.D.,
Professor of Theory and Practice of Medicine in the Columbian University, Washington.
LEIDY, JOSEPH, M.D., LL.D.,
Professor of Anatomy in the University of Pennsylvania, Philadelphia.
LYNCH, JOHN S., M.D.,
Professor of Principles and Practice of Medicine in the College of Physicians and Surgeons, Baltimore.
MORTON, THOMAS G., M.D.,
Surgeon to the Pennsylvania Hospital, Philadelphia.
MCGUIRE, HUNTER, M.D.,
Richmond, Va.