RUDDY a.
bida) having a broad bill and a wedge- shaped tail composed of stiff, sharp feathers. The adult male is rich brownish red on the back, sides, and neck, black on the top of the head, nape, wings, and tail, and white on the cheeks. The female and young male are dull brown mixed with blackish on the back; grayish below. C…
SCALE n.
of small hemipterous insects belonging to the family Coccidæ, in which the females, when adult, become more or less scalelike in form. They are found upon the leaves and twigs of various trees and shrubs, and often do great damage to fruit trees. See Orange scale,under Orange. -- Scale moss (Bot.), any leafy-stemmed…
SCAUP n.
oöl.), any one of several species of northern ducks of the genus Aythya, or Fuligula. The adult males are, in large part, black. The three North American species are: the greater scaup duck (Aythya marila, var. nearctica), called also broadbill, bluebill, blackhead, flock duck, flocking fowl, and raft duck; the lesser…
SCORPION n.
rpion's tail. The leaves are said to yield a dye like indigo, and to be used sometimes to adulterate senna. -- Scorpion shell (Zoöl.), any shell of the genus Pteroceras. See Pteroceras. -- Scorpion spiders. (Zoöl.), any one of the Pedipalpi. -- Scorpion's tail (Bot.), any plant of the leguminous genus Scorpiurus, he…
SILK n.
etimes given to various species of the genera Aqave and Yucca. -- Silk moth (Zoöl.), the adult moth of any silkworm. See Silkworm. -- Silk shag, a coarse, rough-woven silk, like plush, but with a stiffer nap. -- Silk spider (Zoöl.), a large spider (Nephila plumipes), native of the Southern United States, remarkable…
SPECULUM n.
ituated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in wh…