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: Longmans, Green & co. in 1871 in 450 pages; Subjects: Medical / Infectious Diseases; Medical / History; Medical / Oncology; Medical / Pulmonary & Thoracic Medicine;