Tongue, muscular organ occupying the floor of the mouth in vertebrates. In some animals, such as lizards, anteaters, and frogs, it serves a food-gathering function. In humans, the tongue funct...

Monitor, any of various, mostly tropical lizards. A monitor lizard has a heavy body, long head and neck, long tail that comes to a whiplike end, and strong legs with sharp claws. Its slender, ...

Tyrannosaurus [Gr.,=tyrant lizard], member of a family, Tyrannosauridae, of bipedal carnivorous saurischian dinosaurs characterized by having strong hind limbs, a muscular tail, and short fore...

Uric acid, white, odorless, tasteless crystalline substance formed as a result of purine degradation in man, other primates, dalmatians, birds, snakes, and lizards. The last three groups of an...

Dinosaur [Gr., = terrible lizard], extinct land reptile of the Mesozoic era. The dinosaurs, which were egg-laying animals, ranged in length from 21/2 ft (91 cm) to about 127 ft (39 m). Recogni...

Stegosaurus [Gr.,=roof lizard], quadriped ornithischian dinosaur of the late Jurassic period. About 29 ft 6 in (9 m) long, it had short forelegs, four long bony spikes on a flexible tail, and ...

Boa, name for live-bearing constrictor snakes of the family Boidae, found mostly in the Americas. This family, which also comprises the egg-laying pythons of the Old World, includes the larges...

Tasmanian devil, extremely voracious marsupial, or pouched mammal, of the dasyure family, now found only on the island of Tasmania. The Tasmanian devil, Sarcophilus harrisi, formerly found als...

Coatimundi or coati, omnivore of North and South America related to the raccoon. The coatimundi has a long snout, an elongated body, and a long bushy tail banded with dark rings. The coat colo...

ConstellationsConstellationEnglish namePositionR.A.(hours)DEC.(degrees)1 Zodiac constellation.AndromedaAndromeda (Chained Lady)1+43AntliaAir Pump10-33ApusBird of Paradise16-75Aquarius1Water...