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ney, as found in 1886 in a Tertiary auriferous gravel deposit, lying below a bed of black lava, in Calaveras County, California. It is regarded as very doubtful whether the skull really belonged to the deposit in which it was found. If it did, it indicates an unprecedented antiquity for human beings of an advanced type…

f which Lucernaria is the type. The body is cup-shaped with eight marginal lobes bearing clavate tentacles. An aboral sucker serves for attachment. The interior is divided into four large compartments. See Lucernarida.

The slag of a furnace, or scoriaceous lava from a volcano. Cinder frame, a framework of wire in front of the tubes of a locomotive, to arrest the escape of cinders. -- Cinder notch (Metal.), the opening in a blast furnace, through which melted cinder flows out.

See Clavate.

Club-shaped; clavate. Craig.

faces of a cube. -- Diagonal cleavage, cleavage parallel to ta diagonal plane. -- Egg clavage. (Biol.) See Segmentation. -- Lateral cleavage, cleavage parallel to the lateral planes. -- Octahedral, Dodecahedral, or Rhombohedral, cleavage, cleavage parallel to the faces of an octahedron, dodecahedron, or rhombohedr…

reen mosslike plant, much used in winter decoration. The best know species is Lycopodium clavatum, but other Lycopodia are often called by this name. The spores form a highly inflammable powder. -- Club root (Bot.), a disease of cabbages, by which the roots become distorted and the heads spoiled. -- Club topsail (Nau…

a stream of lava. Also, in the Western United States, the bed of a stream, even if dry, when deep and having inclined sides; distinguished from a cañon, which has precipitous sides.

Of the nature of dolerite; as, much lava is doleritic lava. Dana.

To cause to burst forth; to eject; as, to erupt lava. Huxley.

The act of breaking out or bursting forth; as: (a) A violent throwing out of flames, lava, etc., as from a volcano of a fissure in the earth's crust. (b) A sudden and overwhelming hostile movement of armed men from one country to another. Milton. (c) A violent commotion. All Paris was quiet . . . to gather fresh streng…

A great flow or stream of any fluid substance; as, a flood of light; a flood of lava; hence, a great quantity widely diffused; an overflowing; a superabundance; as, a flood of bank notes; a flood of paper currency.

us smell. Sir L. Hill. (b) A long, creeping, evergreen plant of the genus Lycopodium (L. clavatum); -- called also club moss. (c) A tree-shaped evergreen plant about eight inches in height, of the same genus (L. dendroideum) found in moist, dark woods in the northern part of the United States. Gray. -- Ground plan (Ar…

nches. -- Hercules' club. (Bot.) (a) An ornamental tree of the West Indies (Zanthoxylum Clava-Herculis), of the same genus with the prickly ash.

Resulting from, or produced by, the action of fire; as, lavas and basalt are igneous rocks.

Produced by the action of fire, as lava. [R.]

A large clavate spine of a fossil sea urchin.

An aromatic plant of the genus Lavandula (L. vera), common in the south of Europe. It yields and oil used in medicine and perfumery. The Spike lavender (L. Spica) yields a coarser oil (oil of spike), used in the arts.

See Lavatic.

c cavity often with concentric chambers, observed in some volcanic rocks, as in rhyolitic lavas. It is supposed to be produced by expanding gas, whence the name.