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O'Shaughnessy – Otalgia

O'Shaughnessy

EDITH COUES (MRS. NELSON O'SHAUGHNESSY), an American writer, born in Columbia, S. C. She was educated privately and married Nelson O'Shaughnessy in 1901.

She wrote "A Diplomat's Wife in Mexico" (1916); "Diplomatic Days in Mexico" (1917). During the war she was engaged in relief work in France.

Osier

in botany, salix viminalis, a willow with linear lanceolate acuminate leaves, reticulate above and silky beneath; golden yellow, sessile catkins opening before the leaves, etc., and tomentose OSIRIS capsules. Cultivated in osier beds, its long pliable shoots being used for wickerwork basket making.

Osmium

in chemistry, a tetrad metallic element, discovered by Tennant in 1804; symbol, Os; at. wt., 190.9; occurs combined with iridium, forming the native alloy osmiridium, in platinum ore.

Osmose

in chemistry, osmosis, the mixing of dissimilar substances through a porous diaphragm-a phenomenon due to the attraction which the liquids have for each other.

Ossa

the ancient name of a mountain on the E. side of Thessaly, near Pelion, and separated from Olympus by the vale of Tempe. The ancients placed the seat of the Centaurs and Giants in the neighborhood of Pelion and Ossa.

Osteolepis

a genus of fossil ganoid fish peculiar to the Old Red Sandstone. It is characterized by smooth rhomboidal scales, by numerous sharply pointed teeth, and by having the two dorsal and anal fins alternating with each other. The body is long and slender.

Osteology

a discourse or treatise on the bones; that branch of anatomy which describes the bones and their uses.

See ANATOMY: BONE

Ostrogoths

the E. branch of the Don. Here in A. D. 375 they were attacked and conquered by the Huns.

Theodoric became their king in 474, and In 378 many of them settled in Pannonia.

Ostrolenka

Poland, formerly in Russian Poland, when it was a district town in the government of Lomza, on almost continuous fighting for over a year, being held alternately by both Rusgreat World War it was the center of sians and Germans. Pop. about 17,500.

Oswestry

a thriving market town and municipal borough of Shropshire, England, 18 miles N. W. of Shrewsbury.

It has an old parish church, restored in 1872; a fragment of the Norman castle of Walter Fitzalan, progenitor of the royal Stewarts; and a 15th century grammar school. Oswestry derives its name from St. Oswald, who was slain here.

Oswego River

a river in New Dunedin; the next town in importance is Oamaru. Pop. Otago portion about 135,- 000; Southland portion about 65,000.

Otalgia

neuralgia of the ear. Its causes and treatment are those of neuralgia generally, but it is particularly caused by caries of the teeth.