This is an OCR edition without 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 GeneralBooksClub.com. You can also preview excerpts from 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 Published by: J.M. Dent & co. in 1907 in 317 pages; Subjects: Naturalists; Biography & Autobiography / General; Biography & Autobiography / Science & Technology; Juvenile Nonfiction / Biography & Autobiography / Science & Technology; Science / History;