This book concerns the proceedings and papers presented at the Twenty-Seventh Annual Meeting of the American Medical Association, held in Chicago in 1877. The disciplines represented include practice of medicine, material medica, physiology, obstetrics, diseases of women and children, surgery, anatomy, medical jurisprudence, chemistry, psychology, state medicine, and public hygiene. The book also includes the President's inaugural address, the Judicial Council's decisions on ethical and judicial questions, and a prize essay on medical subjects. The essays explore contemporary medical knowledge and advancements, reflecting the state of medical science in the late 19th century. They provide valuable insights into the history of medicine and the evolution of medical practices during this period.