Excerpt from Elements of Therapeutics and Materia Medica, Vol. 2: To Which Are Prefixed Two Discourses on the History and Improvement of the Materia Medica, Originally Delivered as Introductory Lectures Elements of Therapeutics and Materia Medica. To which are pre fixed two Discourses on the history and improvement of the Materia Medica, originally delivered as introductory lectures. By N. Chapman, M. D. Professor of the institutes and practice of Physic and clinical practice in the University of Pennsylvania president of the Academy of Medicine of Philadelphia, &c. To communicate what I have tried, and leave the rest to others for farther inquiry, is all my design in publishing these papers. Jve'wton. Third edition, enlarged and te vised. In conformity to the act of the Congress of the United States, enti tled, An act for the encouragement of learning, by securing the copies of Maps, Charts, and Books, to the authors and proprietors of such copies during the times therein mentioned. - And also to the Act, entitled, An act supplementary to an act entitled, An act for the encouragement of learning, by securing the copies of Maps, Charts, and Books, to the authors and proprietors of such copies during the times therein mentioned, and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.