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The median, convex lobe of the head of a trilobite. See Trilobite.

ision of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs (Cyclostoma), which lack them. [Written also Gnathostomata.]

, supposed by the Rosicrucians to inhabit the inner parts of the earth, and to be the guardian of mines, quarries, etc.

the leafstalks of two kinds of palms, Metroxylon Sagu, and Arenga saccharifera, of the Indian islands. It is used for making cordage. Called also ejoo.

An Indian goat antelope (Nemorhedus goral), resembling the chamois.

of Gorgoniacea, formerly very extensive, but now restricted to such species as the West Indian sea fan (Gorgonia flabellum), sea plume (G. setosa), and other allied species having a flexible, horny axis.

A very largo East Indian freshwater fish (Osphromenus gorami), extensively reared in artificial ponds in tropical countries, and highly valued as a food fish. Many unsuccessful efforts have been made to introduce it into Southern Europe. [Written also goramy.]

One who has the care or guardianship of a young man; a tutor; a guardian.

The East Indian name of the chick-pea (Cicer arietinum) and its seeds; also, other similar seeds there used for food.

cum jumentorum. Herd's grass, in New England Timothy, in Pennsylvania and South Redtop. Indian grass. Same as Wood grass (below). Italian rye grass, forage and hay. Lolium Italicum. Johnson grass, grazing aud hay. South and Southwest. Sorghum Halepense. Kentucky blue grass, pasture. Poa pratensis. Lyme grass, coarse ha…

n dragon (Bot.), a North American herbaceous plant (Arisæma Dracontium), resembling the Indian turnip; -- called also dragon root. -- Green earth (Min.), a variety of glauconite, found in cavities in amygdaloid and other eruptive rock, and used as a pigment by artists; -- called also mountain green. -- Green ebony. (…

rdained by Pope Gregory the Great, and named after the ancient Greek scales, as Dorian, Lydian, etc. -- Gregorian telescope (Opt.), a form of reflecting telescope, named from Prof. James Gregory, of Edinburgh, who perfected it in 1663. A small concave mirror in the axis of this telescope, having its focus coincident w…

An Anglo-Indian name for a person just arrived from Europe. H. Kingsley.

Ground room, a room on the ground floor; a lower room. Tatler. -- Ground sea, the West Indian name for a swell of the ocean, which occurs in calm weather and without obvious cause, breaking on the shore in heavy roaring billows; -- called also rollers, and in Jamaica, the North sea. -- Ground sill. See Ground plate (…

A West Indian name for several kinds of palm. See Macaw tree, under Macaw. [Written also grigri palm.]

One of the mixed-blood (Spanish-Indian) inhabitants of the pampas of South America; a mestizo.

Acting as guardian. [Obs.] Shak.

Guardianship. [Obs. & R.] " His tuition and guardenage." Holland.

a block attached in to the crosshead to work in contact with the guide bar. -- Guide meridian. (Surveying) See under Meridian. -- Guide pile (Engin.), a pile driven to mark a place, as a point to work to. -- Guide pulley (Mach.), a pulley for directing or changing the line of motion of belt; an idler. Knight. -- Gu…

ra and A. Arabica) growing in Africa and Southern Asia; -- called also gum acacia. East Indian gum arabic comes from a tree of the Orange family which bears the elephant apple. -- Gum butea, a gum yielded by the Indian plants Butea frondosa and B. superba, and used locally in tanning and in precipitating indigo. -- G…