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The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria.

Yielding anthracite; as, anthraciferous strata.

directions. See Synclinal. Anticlinal line, Anticlinal axis (Geol.), a line from which strata dip in opposite directions, as from the ridge of a roof. -- Anticlinal vertebra (Anat.), one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the neighboring vertebræ are inclined…

The crest or line in which strata slope or dip in opposite directions.

A group of corals in which the coral is not porous; -- opposed to Perforata.

a. (See Eye.) -- Aqueous rocks (Geol.), those which are deposited from water and lie in strata, as opposed to volcanic rocks, which are of igneous origin; -- called also sedimentary rocks.

Free from guile, art, craft, or stratagem; characterized by simplicity and sincerity; sincere; guileless; ingenuous; honest; as, an artless mind; an artless tale. They were plain, artless men, without the least appearance of enthusiasm or credulity about them. Porteus. O, how unlike the complex works of man, Heaven's e…

ing soils or rocks, for determining the quality of soils, or the nature of the rocks or strata upon which they lie, and for obtaining water. Auger bit, a bit with a cutting edge or blade like that of an anger.

The class of Vertebrata that includes the birds.

ary central line of any design. Anticlinal axis (Geol.), a line or ridge from which the strata slope downward on the two opposite sides. -- Synclinal axis, a line from which the strata slope upward in opposite directions, so as to form a valley. -- Axis cylinder (Anat.), the neuraxis or essential, central substance o…

Barren regions, especially in the western United States, where horizontal strata (Tertiary deposits) have been often eroded into fantastic forms, and much intersected by canons, and where lack of wood, water, and forage increases the difficulty of traversing the country, whence the name, first given by the Canadian Fre…

An isolated or circumscribed formation, particularly where the strata dip inward, on all sides, toward a center; -- especially applied to the coal formations, called coal basins or coal fields.

Inclined upward; as, the basset edge of strata. Lyell.

o the color of horses. Bay cat (Zoöl.), a wild cat of Africa and the East Indies (Felis aurata). -- Bay lynx (Zoöl.), the common American lynx (Felis, or Lynx, rufa).

cies used for ornament. -- Tonquin bean, or Tonka bean, the fragrant seed of Dipteryx odorata, a leguminous tree. -- Vanilla bean. See under Vanilla.

ch prized as a perfume. Also, the fruit. (b) A variety of mint (Mentha aquatica, var. glabrata).

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.

on; savage; bloody; inhuman; fell. "The victim of a butcherly murder." D. Webster. What stratagems, how fell, how butcherly, This deadly quarrel daily doth beget! Shak.

A prisoner taken by force or stratagem, esp., by an enemy, in war; one kept in bondage or in the power of another. Then, when I am thy captive, talk of chains. Milton.

The act of seizing by force, or getting possession of by superior power or by stratagem; as, the capture of an enemy, a vessel, or a criminal. Even with regard to captures made at sea. Bluckstone.