This book, "The entomologist's text book an introduction to the natural history, structure, physiology and classification of insects, including the Crustacea and Arachnida. 1", by J.O. Westwood, is a replication of a book originally published before 1838. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.