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best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.

An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones.

a. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia.

To strike the toe of the hind foot against the heel or shoe of the forefoot; -- said of horses.

A bird or other animal having thick toes.

Having thick toes.

A cushionlike thickening of the skin one the under side of the toes of animals.

A membrane extending between the toes of a bird, and uniting them more or less closely together.

Having the anterior toes united by a web, as in most swimming birds; webbed. See Illust. (i) under Aves.

A group of wading birds having the toes webbed, as the avocet.

Having all the toes turned forward, as the colies.

The side of a toe or finger.

Having feet resembling hands, or with the first toe opposable, as the opossums and monkeys.

Having five appendages resembling fingers or toes.

te meridians, so that it is noon in one place when it is midnight in the other. Compare Antoeci.

A division of ungulate mammals, including those that have an odd number of toes, as the horse, tapir, and rhinoceros; -- opposed to Artiodactyla.

Having pigeonlike feet; -- said of those gallinaceous birds that rest on all four toes, as the curassows and megapods.

Any species of Phalaropus and allied genera of small wading birds (Grallæ), having lobate toes. They are often seen far from land, swimming in large flocks. Called also sea goose.

A photoengraving; also, the process by which such a picture is produced.

Having the toes bordered by membranes; fin-footed, as certain birds.