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, orchids, sea wasps, seahorse, a dragonfish, a frogfish, much more. All images black-and-white.
Here's a sample of other books in this Dover category
Harmonic Proportion and Form in Nature, Art and Architecture by Samuel Colman A treatise on the laws governing proportional form in both nature and art, this well-illustrated volume features natural organisms and artistic creations in a mathematical study of their constructive principles.
Ornamental Forms from Nature by Christian Stoll, Alan Weller Reproduced from a classic of natural history, 154 creatively stylized floral and animal images were designed with distinctive drama. The bonus CD-ROM includes individual files of all of the images in the book.
Microscopic Art Forms from the Plant World by R. Anheisser From undulating curves to complex geometrics, a world of fascinating images abound in this classic, illustrated survey of microscopic plants. Features 400 detailed illustrations of nature's minute but magnificent handiwork. The accompanying CD-ROM includes all of the images in the book.