A Manual of the Infusoria Volume 2-3; 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
A Manual of the Infusoria Volume 2-3; 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