Schist

(sh ist.) (FromGr. schistos, cloven.] (Geol.) A term applied somewhat loosely to indurated clays, as bituminous schist and mica schist. It is more correctly confined to the metamorphic strata, which consist of plates of different minerals, as mica schist, made up of layers of quartz separated by lamine of mica; chlorite schist, a green rock in which the layers of chlorite are separated by plates of granite or fel spar; and hornblende schist, ab lack rock composed of layers of hornblende and fel spar, with a little quartz. Schlegel,AUGUST WILHELM VON, (shla'gel,) an eminent German poet, critic, and philologer, B. at Hanover, 1766, became in 1797 profe or of Greek and Latin literaturé at Jena University, and in the following year, in conjunction with his brother, commenced editing the "Athenæum," a critical review in which he propagated the principles of the romantic school on the model of Shakspeare's plays. D. at Bonn, 1845. Among his most important labors were the best German translation of Shakspeare extant (11 vols., 1798-1820); Lectures on Literature and Art; and Literary and Historic E ays (in French: 1842).-KARL WILHELM FRIED RICH VON S., B. 1772, was brother to the preceding, and D. in 1829. He was author of a History of Ancient and Modern Literature (1815); Lectures on the Philosophy of Life (1828); Lectures on the Philosophy of History; and Letters on Christian Art (1829). [s. 802]