Applied entomology an introductory text-book of insects in thier relations to man This book, "Applied entomology an introductory text-book of insects in thier relations to man", by Henry Torsey Fernald, is a replication of a book originally published before 1921. 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.