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ivory

(Encyclopedia)ivory, type of dentin present only in the tusks of the elephant. Ivory historically has been obtained mainly from Africa, where elephant tusks are larger than they are in Asia, the second major source...

Scott, Hugh Lenox

(Encyclopedia)Scott, Hugh Lenox, 1853–1934, U.S. army officer, b. Danville, Ky., grad. West Point, 1876. He was assigned (1876) to military service in the West and took part in the Sioux, Nez Percé, and Cheyenne...

Egadi Islands

(Encyclopedia)Egadi Islands ēgāˈdēən [key], Lat. Aegates, archipelago (1987 est. pop. 5,000), c.15 sq mi (40 sq km), W Sicily, Italy, in the Mediterranean Sea. The chief islands are Favignana, Maretti-mo, and ...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

Jackson, Frederick George

(Encyclopedia)Jackson, Frederick George, 1860–1938, British arctic explorer. He explored (1893–94) the tundra in arctic Russia and in Lapland, and he commanded (1894–97) the Jackson-Harmsworth expedition that...

Tinbergen, Nikolaas

(Encyclopedia)Tinbergen, Nikolaas, 1907–88, Anglo-Dutch zoologist, b. Netherlands. He received his Ph.D. in 1932 from the Univ. of Leiden, where he became professor of zoology in 1947. In 1949 he joined the facul...

Zhejiang

(Encyclopedia)Zhejiang chĕˈkyăngˈ [key], province (2010 pop. 54,426,891), c.40,000 sq mi (103,600 sq km), SE China, on the East China Sea. The capital is Hangzhou. The province includes many islands, notably th...

Anthony Rodney, Walter

(Encyclopedia)Rodney, Walter, 1942–1980, Scholar and revolutionary, b. Georgetown, British Guiana. Ph.D. School of African and Oriental Studies, 1966. A Pan-African...

Saint Croix Island International Historic Site

(Encyclopedia)Saint Croix Island International Historic Site: see National Parks and Monuments (table)national parks and monuments (table). ...

Samoa, island chain, SW Pacific Ocean

(Encyclopedia)Samoa, chain of volcanic islands in the South Pacific, comprising the independent nation of Samoa (formerly Western Samoa), and E of long. 171° W, the islands of American Samoa, under U.S. control. T...