POMBAL, MARQUIS DE, a great Portuguese statesman, born in Coimbra; was Prime Minister of Joseph I.; partial to the philosophic opinions of the 18th century, he set himself to fortify the royal power, to check that of the aristocracy, and to enlighten the people; he was the pronounced enemy of the Jesuits, reformed the University of Coimbra, purified the administration, encouraged commerce and industry, whereby he earned for himself at the hands of the people the name of the Great Marquis; on the accession of Maria, Joseph’s daughter and successor, he was, under Jesuit influence, dispossessed of power, to die in poverty (1699-1782).

POMERANIA (1,521), a Prussian province lying between the Baltic and Brandenburg, with West Prussia on the E. and Mecklenburg on the W., is a flat and in some parts sandy country, with no hills, many lakes, and a large lagoon, the Stettiner Haff, into which the chief river, the Oder, falls; the islands of Wallin, Usedom, and Ruegen belong to the province; the main industry is agriculture, principal products rye and potatoes; poultry-rearing and fishing are extensively carried on; there are shipbuilding, machine-works, sugar and chemical factories; Stettin, the capital, and Stralsund are important trading centres; a university is at Greifswald; the Slavic population embraced Christianity in the 12th century; shortly afterwards the duke joined the German Empire; after the Thirty Years’ War much of the province fell to Sweden, and the whole was not finally ceded to Prussia till 1815.

POMONA, or MAINLAND, the largest island in the Orkneys, has a low treeless surface, many lakes, and extensive pasture-land; agriculture has of late improved, and, with stock-raising and fishing, is the chief industry; the only towns are Kirkwall and Stromness.

POMONA, in the Roman mythology is the goddess of fruits, who presided over their ripening and in-gathering, and was generally represented bearing fruits in her lap or in a basket.

POMPADOUR, MARQUISE DE, a famous mistress of Louis XV., born in Paris; celebrated for her beauty and wit; throwing herself, though a married woman, in the king’s way, she took his fancy, and was installed at Versailles; for 20 years exercised an influence both over him and the affairs of the kingdom, to the corruption and ruin of both, and the exasperation of the nation; she was preceded as mistress of Louis by La Chateroux, and succeeded by Du Barri (1721-1764).

POMPEII, an ancient Italian seaport on the Bay of Naples, fell into the possession of Rome about 80 B.C., and was converted into a watering-place and “the pleasure haunt of paganism”; the Romans erected many handsome public buildings, and their villas and theatres and baths were models of classic architecture and the scenes of unbounded luxury; the streets were narrow, provided with side-walks, the walls often decorated with painting or scribbled over by idle gamins; the number of shops witnesses to the