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Resembling, or allied to, the genus Oreodon.

A genus of American Eocene mammals allied to the horse, but having four toes in front and three behind.

A brachiopod shell of the genus Orthis, and allied genera, of the family Orthidæ.

An orthoceras; also, any fossil shell allied to Orthoceras.

An ornamental tree of the genus Maclura (M. aurantiaca), closely allied to the mulberry (Morus); also, its fruit. The tree was first found in the country of the Osage Indians, and bears a hard and inedible fruit of an orangelike appearance. See Bois d'arc.

ver, results of the same force. Osmose may be regarded as a form of molecular attraction, allied to that of adhesion.

A division of bivalve mollusks including the oysters and allied shells.

A fish of the genus Ostracion and allied genera.

A small, graceful, and swift African antelope, allied to the klipspringer.

Any species of the genus Furnarius, allied to the creepers. They inhabit South America and the West Indies, and construct curious oven-shaped nests.

of the back of a fowl. Fresh-water oyster (Zoöl.), any species of the genus Etheria, and allied genera, found in rivers of Africa and South America. They are irregular in form, and attach themselves to rocks like oysters, but they have a pearly interior, and are allied to the fresh-water mussels. -- Oyster bed, a bre…

r, with four parallel rows of white spots along its sides; the spotted cavy. It is nearly allied to the agouti and the Guinea pig.

An order, or suborder, including the kamichi, and allied South American birds; -- called also screamers. In many anatomical characters they are allied to the Anseres, but they externally resemble the wading birds.

An animal resembling, or allied to, the paleothere.

of the sea for breeding, and are gathered and highly esteemed as food by the natives. An allied species inhabits the tropical Atlantic and swarms in June or July.

us species of freshwater pectinibranchiate mollusks, belonging to Paludina, Melantho, and allied genera. They have an operculated shell which is usually green, often with brown bands. See Illust. of Pond snail, under Pond.

Any neuropterous insect of the genus Panorpa, and allied genera. The larvæ feed on plant lice.

One of the divisions of Flagellata, including the monads and allied forms.

A West African baboon (Cynocephalus sphinx), allied to the chacma. Its color is generally chestnut, varying in tint.

Any species of Paradoxurus, a genus of Asiatic viverrine mammals allied to the civet, as the musang, and the luwack or palm cat (Paradoxurus hermaphroditus). See Musang.