Excerpt from Observations on Terrestrial Magnetism in Mexico: Conducted Under the Direction of Baron Von Muller, With Notes and Illustrations of an Examination of the Volcano Popocatepetl and Its Vicinity IN 1856, Baron von Muller, of Germany, undertook an exploration in reference to the natural history of Mexico, and proposed to the Smithsonian Institution to make in its behalf a magnetic survey of the same country. 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.