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: C. Knight and Co. in 1844 in 271 pages; Subjects: Instinct; Paleontology; Nature / Fossils; Philosophy / Logic; Political Science / Government / State & Provincial; Political Science / Government / Local; Science / Earth Sciences / Geology; Science / Paleontology;