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GLAUBER'S SALT 330 GLEAVES linen, damask, and woolen fabrics, leather, and rose-garlands. During the Thirty Years' and Seven Years' Wars, Glatz was frequently besieged and taken. Pop. about 17,000. GLAUBER'S SALT, sulphate of so- dium, so called because of the importance attached to its chemical and medicinal properties by Glauber. GLAUCHAU, a manufacturing town in Saxony, Germany, situated on the Mulde, eight miles northwest of Zwickau. Prior to the World War it ranked as one of the chief textile manufacturing cen- ters of all Germany, especially in the production of high class woolen fabrics. The local museum has a very complete collection of old textiles, and one of the best technical textile schools in Germany is located here. Included in the town's industrial establishments were twenty- four dye factories. The population is about 25,000. GLAUCINE, the alkaloid contained in the leaves of Glmicmm flavum. The leaves are macerated with acetic acid, then the juice is pressed out, boiled, fil- tered, and the filtrate treated with lead nitrate, which precipitates lead fumarate. The filtrate is treated with HsS, then the glaucine is precipitated with tannin, and the precipitate decomposed by chalk. GLAUCODOTE, an orthorhombic, greenish, tin-white mineral of metallic luster and white streak. It occurs in chlorite slate in the province of Huasco in Chile, also in Sweden. GLAUCOMA (gla'ko-ma), an opacity of the vitreous humor of the eye, charac- terized by a bluish tint seen from with- out, and the absence of the peculiar char- acters of the cataract, which, in some respects, it resembles. GLAUCONITE, an amorphous green opaque mineral, like earthy chlorite, with a dull or glistening luster. There are two varieties of it; the one the green earth cavities in eruptive rocks, the other the green grains in greens and forma- tion, or anything similar. GLAUCOPICRINE (-pl'krin), an al- kaloid occurring in the root of Glaucium flavum. The root is exhausted with acetic acid, then precipitated with am- monia, redissolved in acetic acid, then precipitated with a solution of oak bark, and decomposing the precipitate with chalk, is crystallized out of ether. GLAUCOPIN^ (-pi'ne), wattle-crows, a sub-family of Corvidse. The bill is short; the culmen elevated and curved from the base; the upper mandible en- tire; the wings short, rounded; the tail lengthened, graduated, or cuneated. GLAUX, a genus of plants, order Prhnulaceoe, having a five-lobed calyx, no corolla, and a five-valved capsule, with about five seeds, G. maritima, sometimes called sea milk-wort and black salt-wort, is one of the most com- mon plants of our sea-coasts, growing in almost every muddy situation. It is a small plant, with branching stems, often procumbent, and small fleshy leaves. It makes a good pickle. GLAZE, a vitrifiable composition for covering earthenware or porcelain. In cookery the word is applied to the white of eggs, or strong gravy or jelly boiled down to the consistency of a thin cream, and used to cover pastry, with a glossy, shining coating. In painting it is used for any kind of varnish intended to pre- serve the picture from the effects of the atmosphere, and to add brilliancy to the colors. GLAZIER, LAKE, a body of water in Minnesota, S. of Lake Itasca, into which it empties through a swift and perma- nent stream about six feet wide; named for Capt. Willard Glazier, who claimed for it a geographical importance as the true source of the Mississippi. Lake Glazier is in lat. about 47° 34' N. and Ion. 95° .02' W.; is Wz miles in greatest diameter; and has an area of 255 acre^. It is estimated to be 1,582 feet above the Atlantic, and 3,184 miles from the Gulf of Mexico. The Minnesota State His- torical Society sent an expedition to the region and published a refutation of Glazier's claims. GLEASON. ELLIOTT PERRY, an American inventor; born in "Westmore- land, N. H., June 27, 1821; received a common school education; was one of the fi.rst to manufacture gas burners; and invented the regulating argand burner, etc. He died in 1901. GLEAVES. ALBERT, an American naval officer, born in Nashville, Tenn., in 1858. He studied at the United States Academy and was appointed ensign in 1881. He rose through the various grades, becoming captain in 1909, rear admiral in 1915, vice-admiral in 1918, and admiral in 1919. He saw much serv- ice, both on shore and at sea. In 1915 he was appointed commander of the destroyer "Force" of the Atlantic Fleet and in May, 1917, he was appointed com- mander of convoy operations in the At- lantic. In this capacity he convoyed the first American Expeditionary Force to France. He was commander of the cruiser and transport force of the At- lantic Fleet from July, 1917, to Septem- ber, 1919. In the latter year he was made a commander of the Asiatic Sta-