Excerpt from Essentials of Materia Medica, Pharmacy and Prescription Writing: Arranged in Conformity With the Classification in the Last Edition of Prof. H. C. Wood's "Therapeutics" And Following the Course of Pharmacy as Taught in the University of Pennsylvania By the kind permission of Prof. H. C. Wood the author has been enabled to prepare the following volume. The definitions are mostly those given by the last edition of the United States Pharmacopoeia. That part of the work relating to pharmacy has been arranged with special reference to the course as given at the University of Pennsylvania. Special attention has been given to the metric system, here tofore too much neglected. 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.