Excerpt from Nature, Vol. 4: A Weekly Illustrated Journal of Science; April, 1871 to October, 1871 Societies and Academies, 17, 36, 57, 77, 95, 115, 134, 153, 173 195, 215, 234, 254, 320; 339: 359, 379, 400: 419. 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.