UNALASKA, or UNALASH KA. The second largest and most important of the Aleutian Islands. It is situated in lati tude 53° 30' N., longitude 167° W., 135 miles southwest of the extremity of the Alaska Penin sula (Map: Alaska, B 5). It is about 75 miles long and from 10 to 25 miles wide; its coasts are indented with fiords, and it consists main ly of barren and treeless mountains, among which rises the volcano of Alakushin to a of 5961 feet. The island is thinly populated by Aleuts and a few Russians and Americans, chiefly engaged in fishing and seal ing. The largest inhabited place is Unalaska Village or Iliuliuk, with a population, in 1900, of 428. It is the chief port of call for all vessels navigating Bering Sea, and since the gold dis coveries its trade has increased considerably.
UN'CAS ( ?-c.I683). A famous sachem of the Mohegan Indians in Connecticut. At first a Pequot chief, he revolted about 1635 and col lected a number of Indians, who took the name of Alohegans, which had once belonged to the Pequots, against whom he fought as an ally of the English in the Pequot War of 1637. (See
PEQUOTS. ) He was rewarded by the whites with a grant of Pequot lands. In 1643 he de feated the Narraganset chief Miantonomoh (q.v.), and somewhat later, with the sanction of the commissioners representing the United Colo nies of New England. had him put to death. In 1648 the :Mohawks and Pocomtoeks began an un successful war against him. In 1657 he was be sieged by the Narraganset sachem Pessacus, but, according to tradition. was relieved by En sign Thomas Leffingwell, to whom he is said to have granted the site of Norwich. Conn. The date of his death is unknown, though he is known to have been alive in 1682. A monument to his memory was erected at Norwich, Conn., in 1842. Consult; Stone, Uneas nod Miantono molt, a Historical Discourse (New York, 1842) ; Drake, The Book of the Indians of North America (Boston, 1834).