The book may have numerous typos or missing text. It is not illustrated or indexed. However, purchasers can download a free scanned copy of the original rare book from the publisher's website. You can also preview the book there.Purchasers are also entitled to a trial membership in the publisher's book club where they can select from more than a million books for free.Volume: 1 Original Publisher: Carnegie institution of Washington Publication date: 1912Subjects: Juvenile Nonfiction / Animals / Insects, Spiders, etc; Science / Life Sciences / Zoology / Entomology; Science / Life Sciences / Zoology / General