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schemes; a projector; esp., a plotter; an intriguer. Schemers and confederates in guilt. Paley.

uthority of a particular class or age; as, he was a gentleman of the old school. His face pale but striking, though not handsome after the schools. A. S. Hardy.

propelled by a screw. -- Screw thread, the spiral which forms a screw. -- Screw stone (Paleon.), the fossil stem of an encrinite. -- Screw tree (Bot.), any plant of the genus Helicteres, consisting of about thirty species of tropical shrubs, with simple leaves and spirally twisted, five-celled capsules; -- also cal…

d by spongy gums, and bleeding from almost all the mucous membranes. It is accompanied by paleness, languor, depression, and general debility. It is occasioned by confinement, innutritious food, and hard labor, but especially by lack of fresh vegetable food, or confinement for a long time to a limited range of food, wh…

Any marine saurian; esp. (Paleon.) the large extinct species of Mosasaurus, Icthyosaurus, Plesiosaurus, and related genera.

lust. of Bird. -- Secondary rocks or strata (Geol.), those lying between the Primary, or Paleozoic, and Tertiary (see Primary rocks, under Primary); -- later restricted to strata of the Mesozoic age, and at but little used. -- Secondary syphilis (Med.), the second stage of syphilis, including the period from the firs…

A variety of opal not possessing opalescence.

lengthwise. -- Serpent star (Zoöl.), an ophiuran; a brittle star. -- Serpent's tongue (Paleon.), the fossil tooth of a shark; -- so called from its resemblance to a tongue with its root. -- Serpent withe (Bot.), a West Indian climbing plant (Aristolochia odoratissima). -- Tree serpent (Zoöl.), any species of Afric…

he serous membranes of the body, such as the pericardium and peritoneum. Blood serum, the pale yellowish fluid which exudes from the clot formed in the coagulation of the blood; the loquid portion of the blood, after removal of the blood corpuscles and the fibrin. -- Muscle serum, the thin watery fluid which separates…

Degree or variation of color, as darker or lighter, stronger or paler; as, a delicate shade of pink. White, red, yellow, blue, with their several degrees, or shades and mixtures, as green only in by the eyes. Locke.

A pale blue flame, at the top of a candle flame, indicating the presence of fire damp. Raymond. Show bill, a broad sheet containing an advertisement in large letters. -- Show box, a box xontaining some object of curiosity carried round as a show. -- Show card, an advertising placard; also, a card for displaying sampl…

thern shrike (L. borealis), and several others, kill mice, small birds, etc., and often impale them on thorns, and are, on that account called also butcher birds. See under Butcher.

ke with fear, horrer, or aversion; to shiver with cold; to quake. "With shuddering horror pale." Milton. The shuddering tennant of the frigid zone. Goldsmith.

Appearing as if sick; weak; languid; pale. The moon grows sickly at the sight of day. Dryden. Nor torrid summer's sickly smile. Keble.

ertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country.

-- Silver chub (Zoöl.), the fallfish. -- Silver eel. (Zoöl.) (a) The cutlass fish. (b) A pale variety of the common eel. -- Silver fir (Bot.), a coniferous tree (Abies pectinata) found in mountainous districts in the middle and south of Europe, where it often grows to the height of 100 or 150 feet. It yields Burgundy…

A mineral of a bright metallic luster and tin-white to pale lead-gray color. It consist of arsenic and cobalt.

s; open to suspicion. [Obs.] Foote. Smoky quartz (Min.), a variety of quartz crystal of a pale to dark smoky-brown color. See Quartz.

e, used for spreading paints, fine plasters, drugs in compounding prescriptions, etc. Cf. Palette knife, under Palette.

Any plant of the genus Veronica, mostly low herbs with pale blue corollas, which quickly fall off.