Art Forms in Nature (Dover Pictorial Archive)
Multitude of strangely beautiful natural forms: Radiolaria, Foraminifera, Ciliata, diatoms, calcareous sponges, Siphonophora, star corals, starfishes, Protozoa, flagellates, brown seaweed, jellyfishes, sea-lilies, moss animals, sea-urchins, glass sponges, leptomedusae, horny corals, trunkfishes, true sea slugs, anthomedusae horseshoe crabs, sea-cucumbers, octopuses, bats, or More »