Excerpt from The Principles of Psychology, Vol. 2 The instalments of which this volume consists, were issued to the subscribers at the following dates - No. 27 (pp. 1 - 80) in March, 1871; No. 28 (pp. 81 - 160) in April, 1871; No. 29 (pp. 161 - 240) in June, 1871; No. 30 (pp. 241 - 320) in July, 1871; No. 31 (pp. 321 - 400) in Octo ber, 1871; No. 32 (pp. 401 - 480) in February, 1872; No. 33 (pp. 481 - 560) in June, 1872; and-no. 34 (pp. 561 648) in October, 1872. 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.