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The skin of various small sharks and other fishes when having small, rough, bony scales. The dogfishes of the genus Scyllium furnish a large part of that used in the arts.

A morbid growth or deposit of bony matter and at the sides of the coronet and coffin bone of a horse. J. H. Walsh.

A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible.

The bony and cartilaginous framework which supports the soft parts of a vertebrate animal.

A disease of horses characterized by a bony swelling developed on the hock as the result of inflammation of the bones; also, the swelling itself. The resulting lameness is due to the inflammation, and not the bony tumor as popularly supposed. Harbaugh. Bog spavin, a soft swelling produced by distention of the capsular…

A plate of cartilage, or a series of bony or cartilaginous plates or segments, in the median line of the pectoral skeleton of most vertebrates above fishes; the breastbone.

A piece of ebony or other material attached to the lower end of a violin or similar instrument, to which the strings are fastened.

An extensive order of bony fishes including most of the common market species, as bass, salmon, cod, perch, etc.

A subclass of fishes including all the ordinary bony fishes as distinguished from the ganoids.

erebellum from the cerebrum and often incloses a process or plate of the skull called the bony tentorium.

ing to Tetrodon and allied genera. Each jaw is furnished with two large, thick, beaklike, bony teeth. [Written also tetradon.]

as a white crystalline substance, (C4H3S)2.CO, by the action of aluminium chloride and carbonyl chloride on thiophene.

A fossil rhinoceros with a vertical bony medial septum supporting the nose; the hairy rhinoceros.

One of the hard, bony appendages which are borne on the jaws, or on other bones in the walls of the mouth or pharynx of most vertebrates, and which usually aid in the prehension and mastication of food.

amily Ostraciontidæ, having an angular body covered with a rigid integument consisting of bony scales. Some of the species are called also coffer fish, and boxfish.

Any ruminant having horns composed of a bony axis covered with a horny sheath; a hollow-horned ruminant.

Rolled in a spiral; scroll-like; turbinate; -- applied to the thin, plicated, bony or cartilaginous plates which support the olfactory and mucous membranes of the nasal chambers.

Destitute of a bony structure.

divisions of the animal kingdom, comprising all animals that have a backbone composed of bony or cartilaginous vertebræ, together with Amphioxus in which the backbone is represented by a simple undivided notochord. The Vertebrata always have a dorsal, or neural, cavity above the notochord or backbone, and a ventral, o…

A genus of cetaceans having a long, pointed, bony beak, usually two tusklike teeth in the lower jaw, but no teeth in the upper jaw.