|Haeckel, Ernst. Art Forms in Nature (Dover Pictorial Archives). Dover Publications, 1974. ISBN: 0486229874. Unmarked. Bumped corner and some tanning on cover. Good. Paperback. (#30545) $12.00
100 plates of 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, orchids, sea wasps, seahorse, a dragonfish, a frogfish, much more. Most images in black and white.