SCIENTIFIC CLASSIFICATION OF ANIMALS. MAMMALS: The Monkey Tribe;
Animals of Prey; Hoofed Animals; Gnawing Animals; Thick-skinned
Animals; Toothless Animals; Pouched Animals; Flying Mammals; The
Seal Family; Whales. BIRDS: Song Birds; Birds of Prey; Game Birds;
Running Birds; Wading Birds; Swimming Birds. CROCODILES AND OTHER
REPTILES. FROGS AND OTHER AMPHIBIA. FISHES. LOBSTERS AND CRABS.
INSECTS: Beetles, Butterflies and Moths; Ants; Bees and Wasps;
Spiders; Grasshoppers and Locusts; Flies and Mosquitoes. SIMPLE
MARINE ANIMALS: Starfish; Jellyfish; Corals; Sponges; Protozoa.
DOMESTICATED ANIMALS: Domesticated Mammals; Domesticated Birds;
Domesticated Fish and Insects. DICTIONARY OF SCIENTIFIC TERMS.
Of all the sciences, Zoology is the most extensive. It is estimated that
over two million species of living creatures exist in the world. Between
the elephant and the whale, the giants of animal creation, and the mite
that is just discernible with the human eye, there are myriads of
creatures differing in size, form and habit.