The book has no illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from the publisher's website (GeneralBooksClub.com). You can also preview excerpts of the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Original Publisher: Cambridge (Eng.) University Press; Publication date: 1904; Subjects: Arachnida; Opiliones; Cryptostemmatoidae; Dipsocoridae; Juvenile Nonfiction / Animals / Insects, Spiders, etc; Nature / Insects