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Ibizan hound

(Encyclopedia)Ibizan hound ēbēˈzŏn, ĭbˈə– [key], also called Ibizan Podenco, breed of tall, swift dog of ancient origin now found chiefly in the Balearic Islands and other areas of Spain. It stands from 22...

nitrogen mustard

(Encyclopedia)nitrogen mustard, any of various poisonous compounds originally developed for military use (see poison gas). Like mustard gas and lewisite, it is a vesicant (blistering agent). In the form of its crys...

Uslar Pietri, Arturo

(Encyclopedia)Uslar Pietri, Arturo ärto͞oˈrō o͞osˈlär pyāˈtrē [key], 1906–2001, Venezuelan novelist and essayist. Uslar Pietri is considered one of the most powerful regional writers in modern Spanish-A...

Ross, Alexander

(Encyclopedia)Ross, Alexander, 1783–1856, Canadian fur trader and pioneer, b. Scotland. He went to Canada in 1805, taught school in Upper Canada, and in 1810 left for Oregon as a clerk in John Jacob Astor's Pacif...

Permian period

(Encyclopedia)Permian period pûrˈmēən [key] [from Perm, Russia], sixth and last period of the Paleozoic era (see Geologic Timescale, tablegeologic timescale, table) from 250 to 290 million years ago. Many ma...

Crapsey, Adelaide

(Encyclopedia)Crapsey, Adelaide krăpˈsē [key], 1878–1914, American poet, b. Brooklyn, N.Y., grad. Vassar, 1901; daughter of Algernon Sidney Crapsey. After teaching in girls' schools she became an instructor at...

Bassett, John Spencer

(Encyclopedia)Bassett, John Spencer, 1867–1928, American historian, b. Tarboro, N.C. He was professor of history at Trinity College (now Duke Univ.) from 1893 to 1906 and then at Smith from 1906 to 1928. Bassett ...

Slave

(Encyclopedia)Slave, river, c.310 mi (500 km) long, Northwest Territories, Canada. It comprises the middle sections of the Mackenzie River system. The river channels the waters of Lake Athabasca and the Peace River...

Robinson, Joseph Taylor

(Encyclopedia)Robinson, Joseph Taylor, 1872–1937, U.S. legislator, b. Lonoke co., Ark. He was admitted (1895) to the bar and served (1903–13) in the U.S. House of Representatives. In 1913 he became governor of ...

Richet, Charles Robert

(Encyclopedia)Richet, Charles Robert shärl rōbĕrˈ rēshāˈ [key], 1850–1935, French physiologist. From 1887 to 1927 he was professor at the Univ. of Paris. His special study was anaphylaxis, a term he used t...