Columbia Encyclopedia

(Encyclopedia) chimaera kĭmērˈə [key], cartilaginous marine fish, related to the sharks. Also called ratfishes, chimaeras are found in temperate oceans throughout the world, mostly in deep water. They have large...

(Encyclopedia) kagu käˈgo͞o [key], common name for a long-legged, heronlike bird, Rhynochetos jubatus. It has a loose, gray plumage with darker bandings; broad, rounded wings marked with white, black, and red; an...

(Encyclopedia) yttrium ĭtˈrēəm [key] [for Ytterby, a town in Sweden], metallic chemical element; symbol Y; at. no. 39; at. wt. 88.90585; m.p. about 1,522℃; b.p. 3,338℃; sp. gr. about 4.45; valence +3. Yttriu...

(Encyclopedia) Suckling, Sir John, 1609–42, one of the English Cavalier poets. He was educated at Cambridge and Gray's Inn. An accomplished gallant, he was given to all the extravagances of the court of Charles I....

(Encyclopedia) tree frog, name for any of the small tree- or shrub-inhabiting frogs of the family Hylidae, characterized by an adhesive disk on the tip of each of the clawlike toes. This family has about 300 species...

(Encyclopedia) white shark, large, ferocious shark, Carcharodon carcharias. Also known as the great white shark and maneater, this shark can attack swimmers and boats without provocation, though it does not typicall...

(Encyclopedia) bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to confirm the resul...

(Encyclopedia) racer, name for several related swift, slender snakes, especially those of the genus Coluber. All of the racers are nonpoisonous, nonconstricting, day-active snakes. The black racer, C. constrictor, i...

(Encyclopedia) Selkirk, Thomas Douglas, 5th earl of, 1771–1820, Scottish philanthropist, founder of the Red River Settlement. Emigration to America seemed to him the best solution for the poverty of his countrymen...

(Encyclopedia) sandpiper, common name for some members of the large family Scolopacidae, small shore birds, including the snipe and the curlew. Sandpipers are wading birds with relatively long legs and long, slender...