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. Original Publisher: Macmillan and co. Publication date: 1890 Subjects: Natural history; Zoology; Biology; Science; Nature / General; Nature / Essays; Science / Life Sciences / Biology / General; Science / Life Sciences / Zoology / General; Science / Philosophy