Excerpt from The Monthly Review, or Literary Journal, Enlarged, Vol. 15: From September to December, Inclusive, 1794; With an Appendix S. 7. Treats of irritatiw motions, noticing the difi'erent modes in which they are excited, the modifications that they undergo, and the afl'ociation of other motions with thofe brought on by the primary irritation. It is all'o obferved that irritative ideas often exifi without our attention to them; as when, though lofi in thought, we avoid a tree or bench that hands in the way of our walk. 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.