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Wentworth, Sir John

(Encyclopedia)Wentworth, Sir John, 1737–1820, colonial governor of New Hampshire, b. Portsmouth, N.H. On the forced resignation of his uncle, Benning Wentworth, he was commissioned (Aug., 1766) to succeed him bot...

sunfish

(Encyclopedia)sunfish, common name for members of the family Centrachidae, comprising numerous species of spiny-finned, freshwater fishes with deep, laterally flattened bodies found in temperate North America. All ...

lemming

(Encyclopedia)lemming, name for several species of mouselike rodents related to the voles. All live in arctic or northern regions, inhabiting tundra or open meadows. They frequently nest in underground burrows, par...

Clarkson, Thomas

(Encyclopedia)Clarkson, Thomas, 1760–1846, English abolitionist. He devoted most of his life to agitation against slavery, and the voluminous information that he gathered on the slave trade helped to influence Pa...

union, labor

(Encyclopedia)union, labor, association of workers for the purpose of improving their economic status and working conditions through collective bargaining with employers. Historically there have been two chief type...

prairies

(Encyclopedia)prairies, generally level, originally grass-covered and treeless plains of North America, stretching from W Ohio through Indiana, Illinois, and Iowa to the Great Plains region. The prairie belt also e...

Canadian Shield

(Encyclopedia)Canadian Shield or Laurentian Plateau lôrĕnˈchən [key], U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean. Covering more than hal...

Portland, William Henry Cavendish Bentinck, 3d duke of

(Encyclopedia)Portland, William Henry Cavendish Bentinck, 3d duke of, 1738–1809, British statesman; great-grandson of the 1st earl of Portland. He was lord lieutenant of Ireland (1782) and nominal head of the coa...

Cordilleras

(Encyclopedia)Cordilleras kôrdĭlˈərəz, Span. kōrdēyāˈräs [key] [Span., originally=little string], general name for the entire chain of mountain systems of W North America, extending from N Alaska to Nicar...

Taconic Mountains

(Encyclopedia)Taconic Mountains təkŏnˈĭk [key], range of the Appalachian Mts., extending c.150 mi (240 km) north-south between the Green Mts. and the Hudson Valley along parts of New York's border with Vermont,...