Excerpt from An Introduction To: Social Psychology Although I have tried to make this book intelligible and useful to those who are not professed students of psychology, it is by no means a mere dishing up of current doctrines for popular consumption and it may add to its usefulness in the hands of professional psychologists if I indicate here the principal points which, to the best of my belief, are original contributions to psychological doctrine. In Chapter II. I have tried to render fuller and clearer the conceptions of instinct and of instinctive process, from both the psychical and the nervous sides. 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.