The book has no 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 the publisher's website (GeneralBooksClub.com). You can also preview excerpts of 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. Subtitle: Including a Description of All Known Flagellate, Ciliate, and Tentaculiferous Protozoa, British and Foreign and an Account of the Organization and Affinities of the Sponges; Volume: 2-3; Original Publisher: Bogue.; Publication date: 1882; Subjects: Infusoria; Protozoa; Sponges; Science / Life Sciences / Biology / General; Science / Life Sciences / Botany; Science / Life Sciences / Biology / Marine Biology; Science / Life Sciences / Biology / Microbiology; Science / Life Sciences / Zoology / General;