Excerpt from The Animal Kingdom, Arranged in Conformity With Its Organization, Vol. 1 of 4: The Crustacea, Arachnides and Insecta It is also true, that there were very extensive works upon particular classes, which had made known a great number of new Species but their authors merely considered the exter nal relations of those species, and no one had employed him self In arranging the classes and orders from the ensemble of the structure the characters of several classes remained false or incomplete even in justly celebrated works of anatomy; some of the orders were arbitrary, and in scarcely any of these divisions were the genera placed conformably to nature. 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.