Excerpt from Annual Reports of the Chemical Laboratory of the American Medical Association, Vol. 9: January-December, 1916 The present volume includes reports of the work of the past year, which has been carried out on the same lines as in previous years. The scope of this work is described in the preface of Volume II. In addition to the work growing out of the investiga tions by the Council, the Laboratory's work includes the constant examination of patent medicines and a large amount of investigation of chemical questions connected with the Propaganda and the Queries and Minor Notes departments of the journal of the American Medical Association. 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.