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e (Zoöl.), a common American freshwater tortoise (Chrysemys picta), having bright red and yellow markings beneath.

at (Zoöl.), a South American wild cat (Felis pajeros). It has oblique transverse bands of yellow or brown. It is about three and a half feet long. Called also straw cat. -- Pampas deer (Zoöl.), a small, reddish-brown, South American deer (Cervus, or Blastocerus, campestris). -- Pampas grass (Bot.), a very tall orname…

A plant of the genus Viola (V. tricolor) and its blossom, originally purple and yellow. Cultivated varieties have very large flowers of a great diversity of colors. Called also heart's-ease, love-in-idleness, and many other quaint names.

ornamental species, as the twelve-wired paradise bird (Seleucides alba), which is black, yellow, and white, with six long breast feathers on each side, ending in long, slender filaments. See Bird of paradise in the Vocabulary. -- Paradise fish (Zoöl.), a beautiful fresh-water Asiatic fish (Macropodus viridiauratus) h…

artridge dove (Zoöl.) Same as Mountain witch, under Mountain. -- Partridge pea (Bot.), a yellow-flowered leguminous herb (Cassia Chamæcrista), common in sandy fields in the Eastern United States. -- Partridge shell (Zoöl.), a large marine univalve shell (Dolium perdix), having colors variegated like those of the part…

The generation, and method of development, of disease; as, the pathogeny of yellow fever is unsettled.

Perca and of several other allied genera of the family Percidæ, as the common American or yellow perch (Perca flavescens, or Americana), and the European perch (P. fluviatilis).

ardium; situated around the heart. Pericardial fluid (Physiol.), a serous fluid of a pale yellow color contained in the pericardium.

ge. Persian berry, the fruit of Rhamnus infectorius, a kind of buckthorn, used for dyeing yellow, and imported chiefly from Trebizond. -- Persian cat. (Zoöl.) Same as Angora cat, under Angora. -- Persian columns (Arch.), columns of which the shaft represents a Persian slave; -- called also Persians. See Atlantes. --…

en it becomes palatable and nutritious. Japanese persimmon, Diospyros Kaki and its red or yellow edible fruit, which outwardly resembles a tomato, but contains a few large seeds.

Pertaining to, or designating, a yellow crystalline substance (called also perthiocyanic acid), analogous to sulphocyanic acid, but containing more sulphur.

An orange-yellow substance, produced by the action of chlorine or boiling dilute nitric acid and sulphocyanate of potassium; -- called also pseudosulphocyanogen, perthiocyanogen, and formerly sulphocyanogen.

from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments. U. S. Pharm.

A hydrous arsenate of iron occurring in green or yellowish green cubic crystals; cube ore.

A white or yellowish white crystalline substance, C20H14O4, formed by condensation of the anhydride of phthalic acid and phenol. Its solution in alkalies is brilliant red, but is decolorized by acids. This reaction, being very delicate, is used as an indicator.

A yellow crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; -- called also xyloquinone.

A yellow crystalline substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

A rare mineral occurring in tetragonal crystals of a white, yellow, or grayish color and adamantine luster. It is a chlorocarbonate of lead.

A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It…

phenol phthaleïn. Their alkaline solutions are fluorescent. Phenol phthalein, a white or yellowish white crystalline substance made from phthalic acid and phenol. Its solution in alkalies is brilliant red, but is decolorized by acids, and as this reaction is exceedingly delicate it is used as an indicator.…