Excerpt from The Mystery of Life: An Essay in Reply to Dr. Gull's Attack on the Theory of Vitality in His Harveian Oration for 1870 In this essay I have ventured to state some of the arguments, which seem, to my judgment, fatal to all physical hypotheses of life, and have adduced a few of the most important facts and observations, which have led me to advocate a very different conclusion. 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.