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DEET

(Encyclopedia)DEET or N,N-diethyl-meta-toluamide, C12H17ON, nearly odorless, colorless to clear yellow oily liquid that boils at 111℃. DEET was developed by the U.S. Army in 1946 for use as an insect repellent an...

Frisch, Karl von

(Encyclopedia)Frisch, Karl von frĭsh [key], 1887–1982, Austrian zoologist, b. Vienna, Austria. He studied zoology with Richard von Hertwig, whom he later succeeded as professor of zoology at Munich Univ. For his...

Medawar, Sir Peter Brian

(Encyclopedia)Medawar, Sir Peter Brian mĕdˈəwär [key], 1915–87, British zoologist, b. Brazil. After graduate work at Oxford, he held research and teaching posts there. He was professor of zoology (1947–51) ...

Oregon, University of

(Encyclopedia)Oregon, University of, mainly at Eugene; state supported; coeducational; chartered 1872, opened 1876. Its is one of seven institutions in the Oregon Univ. System. The university has schools and colleg...

Entoprocta

(Encyclopedia)CE5 A. Internal anatomy of a single animal in a Pedicellina colony B. Part of a colony of Pedicellina, representative of the phylum Entoprocta Entoprocta ĕnˌtəprŏkˈtə [key], animal phylum co...

Whitman, Charles Otis

(Encyclopedia)Whitman, Charles Otis, 1842–1910, American zoologist, b. Woodstock, Maine, grad. Bowdoin, 1868, Ph.D. Univ. of Leipzig, 1878. From 1892 he was professor of zoology at the Univ. of Chicago. He founde...

Milne-Edwards, Henri

(Encyclopedia)Milne-Edwards, Henri äNrēˈ mēlˌnādwärsˈ [key], 1800–1885, French naturalist. He became professor at the Sorbonne (1843) and served at the Museum of Natural History, Paris, as professor (from...

Spemann, Hans

(Encyclopedia)Spemann, Hans häns shpāˈmän [key], 1869–1941, German embryologist. He was professor of zoology (1919–35) at the Univ. of Freiburg. By transplanting embryonic tissue to a new location or to ano...

Venus's-flytrap

(Encyclopedia)Venus's-flytrap, insectivorous or carnivorous bog plant (Dionaea muscipula) native to the Carolina savannas and now widely cultivated as a novelty. The leaves, borne in a low rosette, resemble bear tr...

lemures

(Encyclopedia)lemures lĕmˈərāsˌ, –yərēzˌ [key], in Roman religion, vampirelike ghosts of the dead; also called larvae. To exorcise these malevolent spirits from the home, the Romans held rites, the Lemuri...