ROARING FORTIES  , the name given to the See also:

• ZONE (Gr. 'WV77, a girdle, from 'wvvLvay to gird)

zone in the See also:

• SOUTHERN

southern hemisphere, near the 4oth parallel of See also:

• LATITUDE (Lat. latitudo, latus, broad)

latitude, in which the See also:

• NORTH
• NORTH, BARONS
• NORTH, MARIANNE (1830—1890)
• NORTH, ROGER (1653-1734)
• NORTH, SIR THOMAS (1535?-16o1?)

north-See also:

• WESTERLY

westerly " See also:

• ANTI, or CAMPA

anti-See also:

• TRADE (O. Eng. trod, footstep, from tredan, to tread; in M. Eng. the forms teed, trod and trade appear, the last in the sense of a beaten track)
• TRADE, BOARD OF

trade " winds attain their greatest development . Since the See also:

• BELT (a word common to Teutonic languages, the Old Ger. form being bale, from which the Lat. balteus probably derived)
• BELT, THOMAS (1832-1878)

belt lies in the See also:

• GREAT

Great Southern Ocean (q.v.), and is little interrupted by See also:

• LAND

land, the " planetary circulation " undergoes little modification and barometric gradients are steep . The " brave See also:

• WEST
• WEST, BENJAMIN (1738-1820)
• WEST, NICHOLAS (1461-1533)

west winds " are accordingly of great strength, and, as in the corresponding belt of the See also:

• NORTHERN

northern hemisphere, the See also:

• MOVEMENT

movement is largely broken up into the See also:

• LOW, SETH (1850- )
• LOW, WILL HICOK (1853- )

low and high pressure vortices known as cyclones and anticyclones .