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swan

(Encyclopedia)swan, common name for a large aquatic bird of both hemispheres, related to ducks and geese. It has a long, gracefully curved neck and an extremely long, convoluted trachea which makes possible its far...

North, Frederick North, 8th Baron

(Encyclopedia)North, Frederick North, 8th Baron, 1732–92, British statesman, best known as Lord North. He entered Parliament in 1754 and became a junior lord of the treasury (1759), privy councilor (1766), and ch...

Sierra Madre, mountain system, Mexico

(Encyclopedia)Sierra Madre dĕl so͝orˈ [key] is a tumbled, broken mass of uptilted mountains that touch the Pacific coast but form into no clearly defined range. It spreads over S Mexico between the volcanic belt...

redbud

(Encyclopedia)redbud or Judas tree, name for trees and shrubs of the genus Cercis, handsome plants of the family Leguminosae (pulse family), covered along the branches in the early spring with deep rose or (rarely)...

Great Slave Lake

(Encyclopedia)Great Slave Lake, second largest lake of Canada, c.10,980 sq mi (28,400 sq km), Northwest Territories, named for the Slave (Dogrib), a tribe of Native Americans. It is c.300 mi (480 km) long and from ...

desert

(Encyclopedia)desert, arid region, usually partly covered by sand, having scanty vegetation or sometimes almost none, and capable of supporting only a limited and specially adapted animal population. The so-called ...

Tapachula

(Encyclopedia)Tapachula täpächo͞oˈlä [key], city (1990 pop. 138,858) Chiapas state, SE Mexico, at the foot of the Chiapas highlands and near the Guatemala border. It is the commercial center of a coffee-growin...

Smith, Jedediah Strong

(Encyclopedia)Smith, Jedediah Strong, 1799–1831, American explorer, one of the greatest of the mountain men, b. near Binghamton, N.Y. Early in 1824, Smith took a party through South Pass, beginning the regular us...

Hirsch, Maurice, baron de

(Encyclopedia)Hirsch, Maurice, baron de mōrēsˈ bärôNˈ də hĭrsh [key], 1831–96, German Jewish financier and philanthropist. The benefactor of numerous organizations and causes, his most ambitious project w...

horse chestnut

(Encyclopedia)horse chestnut, common name for some members of the Hippocastanaceae, a family of trees and shrubs of the north temperate zones and of South America. The horse chestnut tree, Aesculus hippocastanum, a...