Excerpt from Annals of Natural History: Or, Magazine of Zoology, Botany, and Geology; Being a Continuation of the Magazine of Zoology and Botany, and Sir W. J. Hooker's Botanical Companion III. Observations on Trilobites, founded on a comparison of their Structure with that of Crustacea. By W. S. Macleay, m.a. 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.