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Triassic period

(Encyclopedia)Triassic period trīăsˈĭk [key], first period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 205 to 250 million years ago. Throughout the Triassi...

Carboniferous period

(Encyclopedia)Carboniferous period kärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to 290 million years ago. The pl...

jumping mouse

(Encyclopedia)jumping mouse, rodent slightly larger than the common mouse, found in North America and N Asia, also called the kangaroo mouse. Its long hind legs and tail enable it to leap distances up to 12 ft (3.7...

Gosford, Archibald Acheson, 2d earl of

(Encyclopedia)Gosford, Archibald Acheson, 2d earl of gŏzˈfərd [key], 1776–1849, governor in chief of British North America (1835–37). He served in the British House of Commons and, after succeeding (1807) to...

Prince of Wales, Cape

(Encyclopedia)Prince of Wales, Cape, at the tip of the Seward Peninsula, NW Alaska, on the Bering Strait; westernmost point of North America. Cape Dezhnev, Siberia, is only 55 mi (89 km) to the west. ...

cypress, in botany

(Encyclopedia)cypress, common name for members of the Cupressaceae, a widely distributed family of coniferous shrubs and trees, several yielding valuable timber. The major genera are Juniperus (juniper), Thuja (arb...

Prudhoe Bay

(Encyclopedia)Prudhoe Bay, inlet of the Beaufort Sea and Arctic Ocean, N Alaska, in the Alaska North Slope region, east of the Colville River delta. In 1968 one of the largest oil reserves in North America was disc...

Jerusalem artichoke

(Encyclopedia)Jerusalem artichoke, tuberous-rooted perennial (Helianthus tuberosus) of the family Asteraceae (aster family), native to North America, where it was early cultivated by the indigenous inhabitants. In ...

huckleberry

(Encyclopedia)huckleberry, any plant of the genus Gaylussacia, shrubs of the family Ericaceae (heath family), native to North and South America. The box huckleberry (G. brachycera) of E North America is evergreen a...

shell money

(Encyclopedia)shell money, medium of exchange consisting of shells, the most widely distributed type of ancient currency. Shells are particularly useful as money because they may be strung in long strips of proport...