Historic illustration, tablet 5, title Calcispongiae, Calcareous Sponges, name Ascandra, R2/4 Sycurus primitivus, Ernst Haeckel, Artforms of Nature.

19 • 1920S • 20S • 4 ANIMALS • AGE • ÂGÉS • ANATOMIC • ANATOMICAL • ANATOMY • ANIMAL • ANIMALS IN THE WILD • ANIMALS • AQUATIC • BIOLOGY • BLACKBOARD • BLACKBOARDS • BOARD • BOARDS • BOOK TITLE • BOOK TITLES • CAPTION • CAPTIONS • CHALKBOARD • DEPICTION • DEPICTIONS • EARNEST • FAUNA • FIGURE • FIGURES • FLEET • FOUR ANIMALS • GROSS ANATOMY • HEADLINE • HISTORIC • HISTORICAL • HISTORY • ILLUSTRATION • ILLUSTRATIONS • IMAGE MOTIF • KINGDOM • KINGDOMS • MACRO SHOT • MACRO • MACROS • MARINE ANIMAL • MARINE ANIMALS • MARINE • NAME • NAMES • NATURAL HISTORY • NATURAL SCIENCE • NATURAL SCIENCES • NATURAL SCIENTIFIC • NATURE STUDY • NATURE • NAVY • NINETEEN • OCEAN • OLD AGE • OLD • PORIFERA • SCIENCE • SCIENCES • SCIENTIFIC RESEARCH • SCIENTIFIC • SEA LIFE • SEA • SEAS • SERIOUS • SÉVÈRE • SPONGE • SPONGES • SPONGIA • TITLE • TITLES • TWENTIES • WILD ANIMAL • WILD ANIMALS • WILDLIFE • WORLD • WORLDS • YOUNG ADULT • YOUNG ADULTS