Excerpt from The Entomologist's Text Book: An Introduction to the Natural History, Structure, Physiology and Classification of Insects, Including the Crustacea and Arachnida In te-publishing these various articles, I have met with one difficulty, for which I hope due allowance will be made by the reader. In an Encyclopaedia, the most ample, and generally the most interesting details, are confined to those articles treating of genera and species, to which constant reference is made for the illustration of the more general articles. I have endeavoured, in some degree, to make up for this deficiency, by the introduction of the various orders of insects. 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.