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gnu

(Encyclopedia) gnugnun&oomacr; [key] or wildebeestgnuwĭlˈdəbēstˌ [key], large African antelope, genus Connochaetes. Its heavy head and humped shoulders resemble those of a buffalo, while the…

Leuckart, Karl Georg Friedrich Rudolf

(Encyclopedia) Leuckart, Karl Georg Friedrich RudolfLeuckart, Karl Georg Friedrich Rudolfkärl gāˈôrk frēˈdrĭkh r&oomacr;ˈdôlf loiˈkärt [key], 1823–98, German zoologist, a founder of the science…

Antiphilus

(Encyclopedia) AntiphilusAntiphilusăntĭfˈĭləs [key], fl. 4th cent. b.c., Greek painter, of Alexandrian origin. Pliny and Quintilian wrote about his paintings of gryllos, a creature part man, part…

Mezozoa

(Encyclopedia) MezozoaMezozoamĕzˈəzōˌə, mēˈzə– [key], name of an animal subkingdom and also of the subkingdom's only phylum. The mezozoans are simple parasitic marine wormlike animals of only 20 to…

Dessie

(Encyclopedia) Dessie,&sp;Dessye, or Dese Dessie, all: dĕsˈyā [key], town, capital of…

dip

(Encyclopedia) dip, in agriculture, method of treating animals (chiefly livestock) infested with skin parasites such as mites, ticks, and warbles. The animal is dipped into or forced to swim through…

hippopotamus

(Encyclopedia) hippopotamus, herbivorous, river-living mammal of tropical Africa. The large hippopotamus, Hippopotamus amphibius, has a short-legged, broad body with a tough gray or brown hide. The…

molting

(Encyclopedia) molting, periodical shedding and renewal of the outer skin, exoskeleton, fur, or feathers of an animal. In most animals the process is triggered by secretions of the thyroid and…

Biosphere 2

(Encyclopedia) Biosphere 2, privately funded ecological research project in which eight people lived sealed in a 3.15-acre (1.28-hectare) structure for two years (Sept. 26, 1991–Sept. 26, 1993).…

Balfour, Francis Maitland

(Encyclopedia) Balfour, Francis Maitland, 1851–82, Scottish embryologist; brother of A. J. Balfour. He was an early exponent of recapitulation. His Treatise on Comparative Embryology (2 vol., 1880–81…