Excerpt from Collected Essays and Articles on Physiology and Medicine, Vol. 1 In 1861 I made a number of experiments on the roots of the spinal nerves and confirmed the observations of Magendie, made in 1839, in which it was shown that the anterior roots possessed a slight sensibility derived from recurrent fibres from the posterior roots, concerning which there had been differences of opinion. These were the first observations of the kind made in this 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.