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type, and which includes also the docks (Rumex), the buckwheat, rhubarb, sea grape (Coccoloba), and several other genera.

e body covered with spines which become erect when the body is inflated. See Diodon, and Globefish. -- Porcupine grass (Bot.), a grass (Stipa spartea) with grains bearing a stout twisted awn, which, by coiling and uncoiling through changes in moisture, propels the sharp-pointed and barbellate grain into the wool and f…

les, and a very porous coral. Some species are branched, others grow in large massive or globular forms.

otato (Bot.), Ipomoea Pes-Capræ, a kind of morning-glory with rounded and emarginate or bilobed leaves. [West Indies] -- Sweet potato (Bot.), a climbing plant (Ipomoea Balatas) allied to the morning-glory. Its farinaceous tubers have a sweetish taste, and are used, when cooked, for food. It is probably a native of Braz…

Shak. Potter wasp (Zoöl.), a small solitary wasp (Eumenes fraternal) which constructs a globular nest of mud and sand in which it deposits insect larvæ, such as cankerworms, as food for its young.

Having a pouch mouth; blobber-lipped.

Pertaining to, or forming, the front of the head. Procephalic lobe (Zoöl.), that part of the head of an invertebrate animal which is in front of the mouth.

cylinder touching the sphere, the point of sight being at the center of the sphere. -- Globular, Gnomonic, Orthographic, projection,etc. See under Globular, Gnomonic, etc. -- Mercator's projection, a mode of representing the sphere in which the meridians are drawn parallel to each other, and the parallels of latitud…

The anterior segment of the brain, including the cerebrum and olfactory lobes; the forebrain.

Containing remains of the earliest discovered life of the globe, which included mollusks, radiates and protozoans.

An order of marine Bryozoa, having a bilobed lophophore and an axial cord. The genus Rhabdopleura is the type. Called also Podostomata. See Rhabdopleura.

A genus of large marine gastropods having the outer border of the lip divided into lobes; -- called also scorpion shell.

A class of Mollusca in which the anterior lobes of the foot are developed in the form of broad, thin, winglike organs, with which they swim at near the surface of the sea.

as the species of Tetrodon and Diodon; -- called also blower, puff-fish, swellfish, and globefish.

The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite.

bright green and brown hexagonal crystals and also massive; -- so called because a fused globule crystallizes in cooling.

ess commonly, called an octant. -- Quadrant of altitude, an appendage of the artificial globe, consisting of a slip of brass of the length of a quadrant of one of the great circles of the globe, and graduated. It may be fitted to the meridian, and being movable round to all points of the horizon, serves as a scale in…

similar parts, or two pairs of similar parts. Quadrigeminal bodies (Anat.), two pairs of lobes, or elevations, on the dorsal side of the midbrain of most mammals; the optic lobes. The anterior pair are called the nates, and the posterior the testes.

Quaker ladies (Bot.), a low American biennial plant (Houstonia cærulea), with pretty four-lobed corollas which are pale blue with a yellowish center; -- also called bluets, and little innocents.

An ornamental foliation having four lobes, or foils.