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stone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages. -- Bel*em*nit"ic, a.

One of an extinct English order of monks.

pigment. See Ivory black, under Black. -- Bone cave, a cave in which are found bones of extinct or recent animals, mingled sometimes with the works and bones of man. Am. Cyc. -- Bone dust, ground or pulverized bones, used as a fertilizer. -- Bone earth (Chem.), the earthy residuum after the calcination of bone, con…

e of wood; or a stick or piece of wood partly burnt, whether burning or after the fire is extinct. Snatching a live brand from a wigwam, Mason threw it on a matted roof. Palfrey.

A genus of large extinct mammals from the miocene strata of western North America. They were allied to the rhinoceros, but the skull bears a pair of powerful horn cores in front of the orbits, and the fore feet were four-toed. See Illustration in Appendix.

An extinct animal of large size, known from its three-toed footprints in Mesozoic sandstone.

Extinction. [Obs.] Shak.

rior teeth form a pavement of bony plates for crushing shellfish. Most of the species are extinct. The Port Jackson shark and a similar one found in California are living examples.

luding the dolphins and sperm whale, which have teeth. Another suborder (Zeuglodontia) is extinct. The Sirenia were formerly included in the Cetacea, but are now made a separate order.

A genus of extinct animals, so named from fossil footprints rudely resembling impressions of the human hand, and believed to have been made by labyrinthodont reptiles. See Illustration in Appendix.

Partly burned or vitrified coal, or other combustible, in which fire is extinct.

An extinct genus of Devonian ganoid fishes, having the broad plates about the head studded with berrylike tubercles.

The extinction of debts of which two persons are reciprocally debtors by the credits of which they are reciprocally creditors; the payment of a debt by a credit of equal amount; a set-off. Bouvier. Wharton.

A genus of extinct mammals from the eocene tertiary of Europe and America. Its species varied in size between the tapir and rhinoceros, and were allied to those animals, but had short, plantigrade, five-toed feet, like the elephant.

A large class of Echinodermata, including numerous extinct families and genera, but comparatively few living ones. Most of the fossil species, like some that are recent, were attached by a jointed stem. See Blastoidea, Cystoidea, Comatula.

An order of reptiles including the crocodiles, gavials, alligators, and many extinct kinds.

Total privation or loss; extinction; cessation; as, the death of memory. The death of a language can not be exactly compared with the death of a plant. J. Peile.

Not subject to death, destruction, or extinction; immortal; undying; imperishable; as, deathless beings; deathless fame.

prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay of the body; the decay of virtue; the decay of the Roman empire; a castle in decay. Perhaps my God, though he be far before, May turn, and take me by the ha…

To tend or draw towards a close, decay, or extinction; to tend to a less perfect state; to become diminished or impaired; to fail; to sink; to diminish; to lessen; as, the day declines; virtue declines; religion declines; business declines. That empire must decline Whose chief support and sinews are of coin. Waller. An…