Читать книгу Illustrative Anecdotes of the Animal Kingdom - Goodrich Samuel Griswold - Страница 1

First Grand Division, VERTEBRATA, or back boned animals, having a bony skeleton, and including four classes.

Class

I. Mammalia, or sucking animals; as, man; bats, monkeys, bears, oxen, sheep, deer, and many other four-footed beasts; as well as seals, walruses, whales, &c.

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II. Aves, birds of all kinds.

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III. Reptilia, or reptiles; as, lizards, frogs, serpents, toads, &c.

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IV. Pisces, fishes generally.

Second Grand Division, INVERTEBRATA, or animals without a bony spine, or a bony skeleton, and including three classes.

Class

I. Mollusca, embracing pulpy animals mostly enclosed in shells; as, the nautilus, oyster, clam, cuttle-fish, &c.

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II. Articulata, or jointed animals; as, crabs, lobsters, spiders, insects, leeches, earthworms, &c.

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III. Radiata, branched or radiated animals; as, the star-fish, tape-worm, coral insect, sea anemone, &c.