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ng plants, etc. -- Fountain shell (Zoöl.), the large West Indian conch shell (Strombus gigas). -- Fountain of youth, a mythical fountain whose waters were fabled to have the property of renewing youth.

A viverrine animal of Madagascar (Cryptoprocta ferox). It resembles a cat in size and form, and has retractile claws.

ing else; separated; dissevered; unattached; at liberty to escape; as, free carbonic acid gas; free cells. Free agency, the capacity or power of choosing or acting freely, or without necessity or constraint upon the will. -- Free bench (Eng. Law), a widow's right in the copyhold lands of her husband, corresponding to…

One of numerous species of marine gastropod shells, belonging to Ranella and allied genera.

d until they have escaped from the conceptacle. The common rockweeds and the gulfweed (Sargassum) are fucoid in character.

yard, stay, or mast, or, as a flag, close to or around its staff, securing it there by a gasket or line. Totten.

A glass tube provided with platinum electrodes, and containing some gas under very low tension, which becomes luminous when an electrical discharge is passed through it; -- so called from the name of a noted maker in germany. It is called also Plücker tube, from the German physicist who devised it.

mathematical, chemical, or vital; production; formation; as, the generation of sounds, of gases, of curves, etc.

An apparatus in which vapor or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort, or vessel for generating carbonic acid gas, etc.

ectoblast and entoblast, which form respectively the outer covering and inner wall of the gastrula. A third layer of cells, the mesoblast, which is formed later and lies between these two, is sometimes included. -- Germinal membrane. (Biol.) Same as Blastoderm. -- Germinal spot (Biol.), the nucleolus of the ovum. --…

) See Myeloplax. -- Giant clam (Zoöl.), a bivalve shell of the genus Tridacna, esp. T. gigas, which sometimes weighs 500 pounds. The shells are sometimes used in churches to contain holy water. -- Giant heron (Zoöl.), a very large African heron (Ardeomega goliath). It is the largest heron known. -- Giant kettle, a p…

the standard or unit. This standard is usually water for solids and liquids, and air for gases. Thus, 19, the specific gravity of gold, expresses the fact that, bulk for bulk, gold is nineteen times as heavy as water.

reach. (b) A portable fire extinguisher consisting of a glass bottle containing water and gas. It is thrown into the flames. Called also fire grenade. Rampart grenades, grenades of various sizes, which, when used, are rolled over the pararapet in a trough.

buried in the earth to conduct the electric current thereto. Connection to the pipes of a gas or water main is usual in cities. Knight. -- Ground plot, the ground upon which any structure is erected; hence, any basis or foundation; also, a ground plan. -- Ground plum (Bot.), a leguminous plant (Astragalus caryocarpus…

omatically, by variation of the length dragging on the ground, without loss of ballast or gas.

A division of gastropods in which the odontophore is without teeth.

enus of ganoid fishes, found in strata of the new red sandetone, and the lias bone beds. Agassiz.

pins, needles, and thread; also, a hatter. [Obs.] The haberdasher heapeth wealth by hats. Gascoigne.

eback. The immature ones are called bluesides. -- Harp shell (Zoöl.), a beautiful marine gastropod shell of the genus Harpa, of several species, found in tropical seas. See Harpa.

A gaseous element found in the atmospheres of the sun and earth and in some rare minerals.