the ancient Sucro, a Spanish town upon an island in the river Júcar, in the province of Valencia. It is surrounded with walls, and has two parish churches, six monasteries, one hospital, four poorhouses, and 13,000 inhabitants. Its principal productions are silk, rice, and oranges, which are exported to Seville, France, and England.

ALCMÆON, a philosopher of Crotona, who lived about 550 B.C. He is said to have been a pupil of Pythagoras, and according to some he was the first who dissected the human body. His writings are lost, but his opinions may be gathered from Stobæus, Plutarch, and Galen.

ALCMÆER, a city of the United Provinces, in North Holland, seated about four miles from the sea, 15 from Haarlem, and 18 from Amsterdam. The streets and houses are extremely neat and regular, and the public buildings very beautiful. The church of St Lawrence is a fine Gothic building of the fifteenth century, with a beautiful porch. Alcmæer has a court of primary jurisdiction, a college, a theatre, &c. In 1830 the number of inhabitants was 10,148.