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racer

(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...

scale, in zoology

(Encyclopedia)scale, in zoology, an outgrowth, either bony or horny, of the skin of an animal. The major component of the scales of fishes is bone, and they are formed directly in the skin membrane as the fish grow...

thallium

(Encyclopedia)thallium thălˈēəm [key], metallic chemical element; symbol Tl; at. no. 81; interval in which at. wt. ranges 204.382–204.385; m.p. 303.5℃; b.p. about 1,457℃; sp. gr. 11.85 at 20℃; valence +...

solenodon

(Encyclopedia)solenodon sōlēˈnədŏn [key], venomous insectivorous mammal, genus Solenodon, found in the West Indies. Related to moles and shrews, the solenodon resembles a rat with an elongated snout and coarse...

Ondaatje, Michael

(Encyclopedia)Ondaatje, Michael (Philip Michael Ondaatje) ändätˈchā [key], 1943–, Canadian writer, b. Colombo, Sri Lanka (then Ceylon). Immigrating (1962) to Canada, he attended the Univ. of Toronto (B.A., 19...

Skinner, Burrhus Frederic

(Encyclopedia)Skinner, Burrhus Frederic, 1904–90, American psychologist, b. Susquehanna, Pa. He received his Ph.D. from Harvard in 1931, and remained there as an instructor until 1936, when he moved to the Univ. ...

jerboa

(Encyclopedia)jerboa jərbōˈə [key], name for the small, jumping rodents of the family Dipodidae, found in arid parts of Asia, N Africa, and SE Europe. Jerboas have extremely long hind feet and short forelegs; t...

Alvarez, A.

(Encyclopedia)Alvarez, A. (Alfred Alvarez) ălvärˈĕz, ălˈvərĕzˌ [key], 1929–2019, English writer, critic, and poet. He was a theater critic, a writer for the British Broadcasting Corp., a poetry editor an...

Davis, Sammy, Jr.

(Encyclopedia) Davis, Sammy, Jr. (Samuel George), 1925-1990, American entertainer, b. Harlem, New York City, N.Y. Both of Davis’s parents were dancers who performe...

Feiffer, Jules

(Encyclopedia)Feiffer, Jules fīˈfər [key], 1929–, American cartoonist and writer, b. New York City. He began publishing a cartoon strip in the Village Voice in 1956, maintaining his association with the paper ...

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