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ia Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance.

Of, pertaining to, or derived from, spermaceti. Cetylic alcohol (Chem.), a white, waxy, crystalline solid, obtained from spermaceti, and regarded as homologous with ordinary, or ethyl, alcohol; ethal; - - called also cetyl alcohol.

A mineral occuring in glassy rhombohedral crystals, varying, in color from white to yellow or red. It is essentially a hydrous silicate of alumina and lime. Called also chabasie.

A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax. [Written also calcedony.]

n ore of opper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color.

The opening and crying of hounds at first finding the scent of their game.

obtained from the celandine, and named from the red color of its salts, It is a coloriess crystalline substance, and acts as an acrid narcotic poison. It is identical with sanguinarine.

Cheidonic acid, a weak acid extracted fron the celandine (Chelidonium majus), as a white crystalline substance.

The mineral azurite, found in fine crystallization at Chessy, near Lyons; called also chessylite.

A variety of feldspar found in crystals in the county of Chester, Pennsylvania.

d apperance of a cross section is due to the symmetrical arrangement of impurities in the crystal.

The American red squirrel (Sciurus Hudsonius); -- so called from its cry.

l rodent (Lagamys princeps) inhabiting the summits of the Rocky Mountains; -- also called crying hare, calling hare, cony, American pika, and little chief hare.

To produce, by sudden cooling, a change of crystallization at or near the surface of, so as to increase the hardness; said of cast iron.

To chirp or to make a mournful cry, as a bird. [Obs.] Huloet.

Chloral hydrate. Chloral hydrate, a white crystalline substance, obtained by treating chloral with water. It produces sleep when taken internally or hypodermically; -- called also chloral.

A yellow crystalline substance, C6Cl4.O2, regarded as a derivative of quinone, obtained by the action of chlorine on certain benzene derivatives, as aniline.

A white, fatty, crystalline substance, tasteless and odorless, found in animal and plant products and tissue, and especially in nerve tissue, in the bile, and in gallstones.

nd extracted as a resinous substance, convertible under the influence of ether into white crystals.

icate of magnesia and iron, yellow to red in color, often occurring in granular form in a crystalline limestone.