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The coarse-grained brownish yellow wood of a small tree (Pisonia obtusata) of Florida and the West Indies. Also called pigeon wood, beefwood, and corkwood.

genorhynchus acutus), larger than the common species, and with broad stripes of white and yellow on the sides. See Illustration in Appendix.

A composition of quicksilver, tin, and sulphur, forming a yellow powder, sometimes used by mediæval artists, for the sake of economy, instead of gold. Fairholt.

A yellowish-white calcareous freestone from the Isle of Portland in England, much used in building.

A yellowish brown substance obtained by heating potassium in ammonia.

ck (Bot.), a coarse composite plant (Silphium terebinthaceum) with large rough leaves and yellow flowers, found in the Western prairies. -- Prairie dog (Zoöl.), a small American rodent (Cynomys Ludovicianus) allied to the marmots. It inhabits the plains west of the Mississippi. The prairie dogs burrow in the ground in…

s; as, a prickly shrub. Prickly ash (Bot.), a prickly shrub (Xanthoxylum Americanum) with yellowish flowers appearing with the leaves. All parts of the plant are pungent and aromatic. The southern species is X. Carolinianum. Gray. -- Prickly heat (Med.), a noncontagious cutaneous eruption of red pimples, attended with…

closely allied to the cowslip. There are several varieties, as the white-, the red-, the yellow-flowered, etc. Formerly called also primerole, primerolles.

apra Americana), native of the plain near the Rocky Mountains. The upper parts are mostly yellowish brown; the under parts, the sides of the head and throat, and the buttocks, are white. The horny sheath of the horns is shed annually. Called also cabrée, cabut, prongbuck, and pronghorned antelope.

bler (Zoöl.), a small American warbler (Protonotaria citrea). The general color is golden yellow, the back is olivaceous, the rump and tail are ash-color, several outer tail feathers are partly white.

bstance having a coppery luster, obtained by adding a solution of potassium ferrocyanide (yellow prussiate of potash) to a ferric salt. It is used in dyeing, in ink, etc. Called also Williamson's blue, insoluble Prussian blue, Berlin blue, etc. -- Prussian carp (Zoöl.) See Gibel. -- Prussian green. (Chem.) Same as Be…

acid; a cyanide. Red prussiate of potash. See Potassium ferricyanide, under Ferricyanide. Yellow prussiate of potash. See Potassium ferrocyanide, under Ferrocyanide.

A yellow pigment found in the feathers of certain parrots.

A vegetable substance consisting of soft, elastic, yellowish brown chaff, gathered in the Hawaiian Islands from the young fronds of free ferns of the genus Cibotium, chiefly C. Menziesii; -- used for stuffing mattresses, cushions, etc., and as an absorbent.

from Canada to Patagonia, especially among the mountains. Its color is tawny, or brownish yellow, without spots or stripes. Called also catamount, cougar, American lion, mountain lion, and panther or painter.

A yellow coloring matter. See Euxanthin.

The yellowish white opaque creamy matter produced by the process of suppuration. It consists of innumerable white nucleated cells floating in a clear liquid.

A greenish yellow crystalline coloring matter found with pyocyanin in pus.

A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide. Hence sable coal his massy couch extends, And stars of gold the sparkling pyrite blends. E. Darwin.

r of metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish color.