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American snake (Coluber obsoleus). It is lustrous black, with white edges to some of the scales. Called also mountain black snake. (b) The pine snake. -- Pilot whale. (Zoöl.) Same as Blackfish, 1.

Pine wool, a fiber obtained from pine needles by steaming them. It is prepared on a large scale in some of the Southern United States, and has many uses in the economic arts; -- called also pine- needle wool, and pine-wood wool.

ow limited to those trees which have the primary leaves of the branchlets reduced to mere scales, and the secondary ones (pine needles) acicular, and usually in fascicles of two to seven. See Pine.

scharge from the nostrils and eyes, and an accumulation of mucus in the mouth, forming a "scale" on the tongue. By some the term pip is restricted to this last symptom, the disease being called roup by them.

ne, determined by the number of vibrations which produce it; the place of any tone upon a scale of high and low.

A superficial affection of the skin, characterized by irregular patches of thin scales which are shed in branlike particles. Pityriasis versicolor Etym: [NL.] (Med.), a parasitic disease of the skin, characterized by the development of reddish or brownish patches.

Platelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoids.

Having a scale running from the dominant to its octave; -- said of certain old church modes or tunes, as opposed to those called authentic, which ran from the tonic to its octave. Plagal cadence, a cadence in which the final chord on the tonic is preceded by the chord on the subdominant.

. Platform car, a railway car without permanent raised sides or covering; a f -- Platform scale, a weighing machine, with a flat platform on which objects are weighed.

A plan or draught of a field, farm, estate, etc., drawn to a scale.

One of the featherlike scales of certain male butterflies.

l leaping thysanurous insect of the genus Podura and related genera; a springtail. Podura scale (Zoöl.), one of the minute scales with which the body of a podura is covered. They are used as test objects for the microscope.

To balance; to make of equal weight; as, to poise the scales of a balance.

Having the nostril covered with a scale. Pomarine jager (Zoöl.), a North Atlantic jager (Stercorarius pomarinus) having the elongated middle tail feathers obtuse. The adult is black.

Situated behind the orbit; as, the postorbital scales of some fishes and reptiles. -- n.

alternation of a principal tone with an auxiliary tone above it, usually the next of the scale; --called also the inverted mordente.

he skull; ectethmoid, as a certain bone in the nasal capsule of many animals, and certain scales of reptiles and fishes. -- n.

One of the scales just in front of the eye of a reptile or fish.

To exceed in weight; hence, to incline or descend, as the scale of a balance; figuratively, to exceed in influence, power, etc.; hence; to incline to one side; as, the affirmative side preponderated. That is no just balance in which the heaviest side will not preponderate. Bp. Wilkins.

atter. Proportional logarithms, logistic logarithms. See under Logistic. -- Proportional scale, a scale on which are marked parts proportional to the logarithms of the natural numbers; a logarithmic scale. -- Proportional scales, compasses, dividers, etc. (Draughting), instruments used in making copies of drawings, o…