""An Inquiry Into The Medical Efficacy Of A New Species Of Peruvian Bark: Lately Imported Into This Country Under The Name Of Yellow Bark"" is a book written by John Relph and published in 1794. The book is a scientific inquiry into the medical effectiveness of a new species of Peruvian bark that had recently been imported into England and was known as Yellow Bark. The author examines the history and properties of Peruvian bark, and compares the effects of Yellow Bark with those of other types of Peruvian bark. He also discusses the use of the bark in treating various diseases, including fevers, dysentery, and malaria. The book includes detailed descriptions of the physical characteristics of Yellow Bark, as well as its chemical composition and medicinal properties. The author's research is based on his own observations and experiments, as well as on the work of other physicians and scientists. The book is an important historical document in the development of modern medicine, and provides valuable insights into the early scientific study of natural remedies.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.