Читать книгу The Sea and Its Living Wonders - G. Hartwig - Страница 21
CHAPTER XVIII. PROTOZOA.
Оглавление| The Foraminifera.—The Amœbæ.—Their Wonderful Simplicity of Structure.—The Polycystina.—Marine Infusoria.—Sponges.—Their Pores.—Fibres and Spiculæ.—The Common Sponge of Commerce | 378 |
