(Encyclopedia) Tibetan terrier, breed of medium-sized dog originating in Tibet probably several thousand years ago. It stands from 14 to 16 in. (35.6–40.6 cm) high at the shoulder and weighs from 15…
(Encyclopedia) boat-billed heron or boatbill, a tropical New World heron, Chochlearius chochlearius. With shorter legs and a squatter appearance than most herons, this bird is remarkable chiefly for…
(Encyclopedia) Bichon FriseBichon FrisebēshôNˈ frēs [key], breed of small dog developed in France after World War I. It stands from 8 to 12 in. (20–30 cm) high at the shoulder and has a profuse,…
(Encyclopedia) stoneware, hard pottery made from siliceous paste, fired at high temperature to vitrify (make glassy) the body. Stoneware is heavier and more opaque than porcelain and differs from…
Gyri and SulciAnatomy and PhysiologyThe Central and Peripheral Nervous SystemsYou've Got Some Nerve!Gyri and SulciThe Control CenterSensory and Motor ControlThalamus: The Switching StationSpinal…
Natural-Selection MechanismsHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection Mechanisms…
(Encyclopedia) dodo, a flightless forest-dwelling bird of Mauritius, extinct since the late 17th cent. The dodo was closely related to the Rodrigues solitaire, extinct flightless giant found on…
(Encyclopedia) chinchillachinchillachĭnchĭlˈə [key], small burrowing rodent of South America. It lives in colonies at high altitudes (up to 15,000 ft/4,270 m) in the Andes of Bolivia, Chile, and Peru…
(Encyclopedia) Israëls, JozefIsraëls, Jozefyōˈzəf ēsˈräĕls [key], 1824–1911, Dutch genre painter. In Amsterdam he painted somber and moving scenes from the life of the Dutch fishermen and peasantry,…
(Encyclopedia) Hunter, John, 1728–93, Scottish anatomist and surgeon, studied under his brother, William Hunter. A pioneer in comparative anatomy and morphology who is sometimes called the father of…
